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// KUHS First Year MBBS - Previous Year Questions
// Format: { q: "Question text", a: "Answer / Key Points", year: "YYYY", marks: N }
// Add your questions here!

const QUESTIONS = {
  anatomy: {
    title: "Anatomy",
    color: "#e74c3c",
    icon: "🦴",
    chapters: [
      {
        name: "Upper Limb",
        questions: [
          { q: "Describe the brachial plexus. Add a note on its clinical importance.", a: "Roots C5-T1. Trunks: Upper (C5,C6), Middle (C7), Lower (C8,T1). Divisions, Cords, Branches. Clinical: Erb's palsy (upper trunk injury), Klumpke's palsy (lower trunk injury).", year: "2019", marks: 10 },
          { q: "Describe the axilla — its boundaries and contents.", a: "Apex: cervicoaxillary canal. Base: skin. Anterior wall: pectoralis major & minor. Posterior: subscapularis, teres major, latissimus dorsi. Medial: serratus anterior. Lateral: intertubercular groove. Contents: axillary vessels, brachial plexus, lymph nodes, fat.", year: "2020", marks: 10 },
          { q: "Write a note on the carpal tunnel — contents and syndrome.", a: "Bounded by flexor retinaculum and carpal bones. Contents: 4 FDS, 4 FDP, FPL tendons + median nerve. CTS: compression of median nerve causing pain, tingling in lateral 3½ fingers, thenar wasting.", year: "2021", marks: 5 },
          { q: "Describe the cubital fossa — its boundaries and contents.", a: "Lateral: brachioradialis. Medial: pronator teres. Base (superior): line joining epicondyles. Floor: brachialis + supinator. Roof: deep fascia + bicipital aponeurosis. Contents (lat→med): radial nerve, biceps tendon, brachial artery, median nerve.", year: "2022", marks: 5 },
          { q: "Add a note on Erb's palsy.", a: "C5, C6 injury (upper trunk of brachial plexus). Cause: shoulder dystocia, traction. Deformity: 'waiter's tip' — arm medially rotated, extended, forearm pronated. Muscles affected: deltoid, supraspinatus, biceps, brachialis, supinator.", year: "2018", marks: 5 }
        ]
      },
      {
        name: "Lower Limb",
        questions: [
          { q: "Describe the femoral triangle — its boundaries and contents.", a: "Base: inguinal ligament. Lateral: sartorius. Medial: adductor longus. Floor: iliopsoas, pectineus, adductor longus. Roof: fascia lata. Contents (lat→med): femoral nerve, artery, vein, lymphatics (NAVY).", year: "2019", marks: 10 },
          { q: "Write a note on the popliteal fossa.", a: "Boundaries: Superolateral — biceps femoris. Superomedial — semitendinosus, semimembranosus. Inferolateral — lateral head of gastrocnemius. Inferomedial — medial head of gastrocnemius. Contents: popliteal artery & vein, tibial nerve, common peroneal nerve, fat, lymph nodes.", year: "2020", marks: 5 },
          { q: "Describe the hip joint — its type, ligaments and blood supply.", a: "Ball and socket synovial joint. Acetabulum (deepened by labrum) + femoral head. Ligaments: iliofemoral (strongest), pubofemoral, ischiofemoral, ligament of head (carries obturator artery). Blood supply: medial & lateral circumflex femoral arteries.", year: "2021", marks: 10 },
          { q: "Describe the arches of the foot and their clinical significance.", a: "Medial longitudinal (calcaneus → 1st metatarsal, keystone = navicular). Lateral longitudinal (calcaneus → 5th metatarsal). Transverse arch. Maintained by: bones, ligaments (spring ligament), muscles (tibialis posterior). Flat foot: fallen medial arch.", year: "2022", marks: 5 }
        ]
      },
      {
        name: "Thorax",
        questions: [
          { q: "Describe the mediastinum — its divisions and important contents.", a: "Superior: above sternal angle. Inferior: anterior (thymus), middle (heart, pericardium), posterior (esophagus, descending aorta, thoracic duct, azygos vein, sympathetic chain).", year: "2019", marks: 10 },
          { q: "Write a note on the pericardium.", a: "Fibrous outer layer + serous inner (parietal & visceral). Pericardial cavity: 50 ml fluid. Sinuses: transverse (separates arterial from venous) and oblique (posterior). Nerve supply: phrenic nerve. Clinical: cardiac tamponade.", year: "2020", marks: 5 },
          { q: "Describe the conducting system of the heart.", a: "SA node (right atrium, pacemaker, 60-100 bpm) → AV node (lower interatrial septum, 40-60 bpm) → Bundle of His → left & right bundle branches → Purkinje fibers. Blood supply: SA node — RCA (60%), AV node — RCA (90%).", year: "2021", marks: 5 }
        ]
      },
      {
        name: "Abdomen & Pelvis",
        questions: [
          { q: "Describe the inguinal canal — its walls and contents.", a: "Length: 4 cm above medial ½ of inguinal ligament. Anterior wall: external oblique aponeurosis (+ internal oblique laterally). Posterior wall: transversalis fascia (+ conjoint tendon medially). Roof: arching fibers of internal oblique & transversus. Floor: inguinal ligament. Contents: spermatic cord (♂) / round ligament (♀) + ilioinguinal nerve.", year: "2020", marks: 10 },
          { q: "Describe the portal vein — its formation, tributaries and portosystemic anastomoses.", a: "Formed by: splenic vein + superior mesenteric vein behind neck of pancreas. Tributaries: inferior mesenteric, left gastric, cystic. Porto-systemic anastomoses: lower esophagus, umbilicus (caput medusae), rectum (hemorrhoids), retroperitoneum.", year: "2021", marks: 10 },
          { q: "Write a note on the kidney — its relations and blood supply.", a: "Right kidney: lower than left (liver). Relations: superiorly — suprarenal gland; anteriorly — right lobe of liver, descending duodenum, right colic flexure. Blood supply: renal artery from aorta at L1. 5 segmental arteries (end arteries).", year: "2022", marks: 5 }
        ]
      },
      {
        name: "Head & Neck",
        questions: [
          { q: "Describe the cavernous sinus — its relations, contents and thrombosis.", a: "Location: beside body of sphenoid. Relations: pituitary above, sphenoid air sinus medially. Contents (lateral wall, superior to inferior): oculomotor, trochlear, ophthalmic, maxillary, abducens nerve (within sinus). Thrombosis: dangerous area of face → spread via facial & ophthalmic veins.", year: "2019", marks: 10 },
          { q: "Write a note on the thyroid gland — its blood supply and surgical importance.", a: "Blood supply: superior thyroid artery (external carotid) & inferior thyroid artery (thyrocervical trunk). Veins: superior & middle → IJV; inferior → brachiocephalic. Surgical danger: external laryngeal nerve (superior thyroid ligation) and recurrent laryngeal nerve (inferior thyroid ligation).", year: "2020", marks: 5 }
        ]
      },
      {
        name: "Neuroanatomy",
        questions: [
          { q: "Describe the cerebral cortex — its functional areas.", a: "Primary motor cortex: precentral gyrus (area 4). Primary sensory: postcentral gyrus (areas 3,1,2). Visual: calcarine sulcus (area 17). Auditory: Heschl's gyrus (area 41,42). Broca's (44,45): motor speech. Wernicke's (22): sensory speech.", year: "2021", marks: 10 },
          { q: "Describe the blood-brain barrier — its structure and clinical significance.", a: "Components: tight junctions of endothelium, basement membrane, astrocyte foot processes. Permeable to: O2, CO2, glucose, lipid-soluble drugs. Impermeable to: proteins, most antibiotics. Clinical: meningitis, brain tumors, drug delivery challenge. Absent at: area postrema, posterior pituitary.", year: "2022", marks: 5 }
        ]
      }
    ]
  },

  physiology: {
    title: "Physiology",
    color: "#2ecc71",
    icon: "⚡",
    chapters: [
      {
        name: "Blood",
        questions: [
          { q: "Describe the coagulation cascade. Add a note on anticoagulants.", a: "Extrinsic (TF + VII) → X. Intrinsic (XII→XI→IX + VIII) → X. Common: Xa + Va → prothrombin → thrombin → fibrinogen → fibrin. Anticoagulants: heparin (activates antithrombin III), warfarin (inhibits Vit K-dependent factors II, VII, IX, X).", year: "2019", marks: 10 },
          { q: "Describe erythropoiesis — stages and regulation.", a: "Sites: fetal — yolk sac → liver/spleen → bone marrow; adult — red bone marrow. Stages: proerythroblast → basophilic → polychromatic → orthochromatic → reticulocyte → RBC. Regulation: erythropoietin (kidney). Requires: iron, B12, folate, intrinsic factor.", year: "2020", marks: 10 },
          { q: "Write a note on ABO blood group system.", a: "A: antigen A, anti-B antibody. B: antigen B, anti-A antibody. AB: both antigens, no antibodies (universal recipient). O: no antigens, anti-A & anti-B (universal donor). Landsteiner's law: naturally occurring antibodies to absent antigens.", year: "2021", marks: 5 },
          { q: "Describe haemoglobin — its structure and types.", a: "Tetramer: 4 globin chains + 4 heme groups (Fe²⁺ + protoporphyrin). HbA (adult): α2β2 — 97%. HbA2: α2δ2 — 2.5%. HbF (fetal): α2γ2 — higher O2 affinity (leftward shift). HbS: sickle cell (β6 Glu→Val).", year: "2022", marks: 5 }
        ]
      },
      {
        name: "Cardiovascular System",
        questions: [
          { q: "Describe the cardiac cycle. Define cardiac output and its regulation.", a: "Systole (0.3s): isovolumetric contraction → rapid ejection → reduced ejection. Diastole (0.5s): isovolumetric relaxation → rapid filling → slow filling (diastasis). CO = HR × SV (normal 5L/min). Regulated by: preload (Frank-Starling), afterload, contractility, heart rate.", year: "2019", marks: 10 },
          { q: "Describe the ECG — its waves and their significance.", a: "P wave: atrial depolarization. PR interval: 0.12-0.20s (AV conduction). QRS: 0.06-0.10s, ventricular depolarization. ST segment: plateau phase. T wave: ventricular repolarization. QT interval: ventricular systole. Clinical: prolonged PR = 1° AV block, wide QRS = bundle branch block.", year: "2020", marks: 10 },
          { q: "Write a note on baroreceptor reflex.", a: "Location: carotid sinus (CN IX) and aortic arch (CN X). Activated by: rise in BP → stretch → afferent impulses → NTS in medulla → ↓ sympathetic + ↑ parasympathetic → ↓ HR, ↓ vasomotor tone → ↓ BP. Buffer reflex — short-term BP control.", year: "2021", marks: 5 }
        ]
      },
      {
        name: "Respiratory System",
        questions: [
          { q: "Describe the oxygen-haemoglobin dissociation curve. What causes shifts?", a: "Sigmoid curve. P50 = 26 mmHg. Right shift (↓ affinity): ↑ PCO2, ↑ H⁺, ↑ temperature, ↑ 2,3-DPG, HbS. Left shift (↑ affinity): ↓ PCO2, ↓ H⁺, ↓ temp, ↓ 2,3-DPG, HbF, CO poisoning.", year: "2019", marks: 10 },
          { q: "Describe the mechanics of respiration. Define lung compliance.", a: "Inspiration: diaphragm contracts → ↑ thoracic volume → ↓ intrapleural pressure → ↓ alveolar pressure → air flows in. Expiration: passive (quiet). Compliance = ΔV/ΔP (normal 200 mL/cmH2O). ↓ compliance: fibrosis, pulmonary edema. ↑ compliance: emphysema.", year: "2020", marks: 10 },
          { q: "Write a note on transport of CO2 in blood.", a: "Dissolved: 7%. Carbaminohaemoglobin (HbCO2): 23%. Bicarbonate (HCO3⁻): 70% — CO2 + H2O → H2CO3 → H⁺ + HCO3⁻ (carbonic anhydrase). Chloride shift (Hamburger phenomenon): HCO3⁻ exits RBC, Cl⁻ enters. Haldane effect: deoxygenated Hb carries more CO2.", year: "2021", marks: 5 }
        ]
      },
      {
        name: "Renal Physiology",
        questions: [
          { q: "Describe the process of urine formation — filtration, reabsorption and secretion.", a: "GFR: 125 mL/min (Starling forces across glomerulus). Proximal tubule: 65% Na+, all glucose, amino acids, HCO3-, water. Loop of Henle: countercurrent multiplier. Distal tubule & CD: aldosterone (Na+), ADH (water). Secretion: H+, K+, organic acids.", year: "2020", marks: 10 },
          { q: "Write a note on juxtaglomerular apparatus and renin-angiotensin-aldosterone system.", a: "JGA: macula densa (DCT) + JG cells (afferent arteriole). Low BP/Na+ → renin → angiotensinogen → Ang I → ACE (lung) → Ang II → aldosterone (adrenal cortex) → Na+ retention → ↑ BP. Also: Ang II → vasoconstriction, ADH release.", year: "2021", marks: 10 }
        ]
      },
      {
        name: "Nerve & Muscle",
        questions: [
          { q: "Describe the resting membrane potential and action potential.", a: "RMP: -70 mV (neurons), -90 mV (muscle). Due to K+ equilibrium + Na/K ATPase. AP: threshold → rapid depolarization (Na+ influx, voltage-gated) → overshoot (+30 mV) → repolarization (K+ efflux) → hyperpolarization (after-potential). All-or-none law.", year: "2019", marks: 10 },
          { q: "Describe neuromuscular junction and its pharmacology.", a: "Motor end plate: ACh synthesized from acetyl-CoA + choline (choline acetyltransferase). Released by Ca²⁺-mediated exocytosis → nicotinic receptors → EPP → muscle AP. ACh degraded by AChE. Drugs: neostigmine (AChE inhibitor), succinylcholine (depolarizing blocker), curare (non-depolarizing blocker). Myasthenia gravis: anti-nAChR antibodies.", year: "2020", marks: 10 },
          { q: "Write a note on sliding filament theory of muscle contraction.", a: "Thin filaments (actin + troponin + tropomyosin) slide over thick (myosin). Ca²⁺ released from SR → binds troponin C → tropomyosin shifts → active sites exposed → myosin heads bind → power stroke (ATP hydrolysis) → cross-bridge cycling. No change in length of filaments, only sarcomere shortens.", year: "2021", marks: 5 }
        ]
      },
      {
        name: "Endocrinology",
        questions: [
          { q: "Describe the hormones of the anterior pituitary and their regulation.", a: "GH (somatotrophs), TSH, ACTH, FSH, LH (gonadotrophs), Prolactin. Regulated by hypothalamic releasing/inhibiting hormones (portal blood). Feedback: long loop (target organ hormones), short loop (ant. pituitary → hypothalamus). GH: pulsatile, peak during sleep.", year: "2022", marks: 10 },
          { q: "Write a note on insulin — secretion, actions and diabetes mellitus.", a: "Source: β cells of islets of Langerhans. Stimulus: ↑ blood glucose (KATP channel closure → depolarization → Ca²⁺ → exocytosis). Actions: ↑ glucose uptake (GLUT4), glycogenesis, lipogenesis, protein synthesis; ↓ gluconeogenesis. DM Type 1: insulin deficiency. Type 2: insulin resistance.", year: "2021", marks: 10 }
        ]
      }
    ]
  },

  biochemistry: {
    title: "Biochemistry",
    color: "#9b59b6",
    icon: "🧬",
    chapters: [
      {
        name: "Carbohydrate Metabolism",
        questions: [
          { q: "Describe glycolysis — the steps, enzymes and energy yield.", a: "10 steps. Investment phase: 2 ATP used (hexokinase, PFK-1 — rate limiting). Pay-off phase: 4 ATP + 2 NADH produced. Net: 2 ATP + 2 NADH + 2 pyruvate. Key enzymes: hexokinase, PFK-1 (inhibited by ATP, citrate; activated by AMP, fructose-2,6-BP), pyruvate kinase. Substrate-level phosphorylation.", year: "2019", marks: 10 },
          { q: "Describe the TCA cycle — steps, significance and regulation.", a: "Acetyl-CoA (2C) + oxaloacetate (4C) → citrate (6C). 8 steps. Per turn: 3 NADH, 1 FADH2, 1 GTP. Total from 1 glucose: 10 NADH, 2 FADH2, 2 GTP. Rate-limiting: isocitrate dehydrogenase (activated by ADP, Ca²⁺). Functions as amphibolic pathway.", year: "2020", marks: 10 },
          { q: "Write a note on the pentose phosphate pathway.", a: "Oxidative phase: glucose-6-P → ribulose-5-P + 2 NADPH + CO2 (G6PD). Non-oxidative phase: interconversion of sugars. Significance: NADPH (fatty acid synthesis, GSH reduction), ribose-5-P (nucleotide synthesis). G6PD deficiency: hemolytic anemia with oxidant stress.", year: "2021", marks: 5 },
          { q: "Describe gluconeogenesis — substrates, key enzymes and regulation.", a: "Substrates: lactate, amino acids (alanine — glucose-alanine cycle), glycerol, propionate. Bypasses: pyruvate → OAA (pyruvate carboxylase, biotin), OAA → PEP (PEPCK), fructose-1,6-BP → F-6-P (FBPase-1), G-6-P → glucose (G6Pase — only in liver/kidney). Stimulated by glucagon, cortisol.", year: "2022", marks: 10 }
        ]
      },
      {
        name: "Lipid Metabolism",
        questions: [
          { q: "Describe beta-oxidation of fatty acids. Calculate ATP from palmitic acid.", a: "Activation: acyl-CoA synthetase (uses 2 ATP equivalents). Transport: carnitine shuttle (inhibited by malonyl-CoA). Per cycle: 1 FADH2 (1.5 ATP) + 1 NADH (2.5 ATP) + 1 acetyl-CoA (10 ATP). Palmitate (16C): 7 cycles + 8 acetyl-CoA = 7×4 + 8×10 - 2 = 106 ATP.", year: "2019", marks: 10 },
          { q: "Describe ketone body synthesis, utilization and ketoacidosis.", a: "Synthesis (liver): HMG-CoA pathway. Acetoacetate, β-hydroxybutyrate, acetone. Utilization: extrahepatic tissues (brain in starvation). Ketoacidosis: DM type 1, starvation — ↑ free FA → ↑ acetyl-CoA → ketones exceed buffering capacity → acidosis (pH <7.35), fruity breath.", year: "2020", marks: 10 },
          { q: "Write a note on lipoproteins — their types and functions.", a: "Chylomicrons (diet fat) → IDL → LDL (↑ cholesterol to tissues, atherogenic). VLDL (liver TG) → IDL → LDL. HDL: reverse cholesterol transport (protective). Apo B-100: LDL receptor ligand. Apo E: IDL/chylomicron remnant clearance. Familial hypercholesterolemia: LDL receptor defect.", year: "2021", marks: 5 }
        ]
      },
      {
        name: "Protein & Amino Acid Metabolism",
        questions: [
          { q: "Describe the urea cycle — steps, enzymes, regulation and disorders.", a: "Site: liver (mitochondria + cytoplasm). Steps: carbamoyl phosphate → citrulline → argininosuccinate → arginine → urea + ornithine. Rate-limiting: CPS-1 (activated by N-acetylglutamate). Disorders: CPS-1 deficiency, OTC deficiency (X-linked) — hyperammonemia. Treatment: low protein, arginine, sodium benzoate.", year: "2019", marks: 10 },
          { q: "Write a note on phenylketonuria.", a: "Deficiency: phenylalanine hydroxylase (PAH). Accumulation: phenylalanine → phenylpyruvate, phenylacetate, phenyllactate (musty odor). Features: intellectual disability, fair skin (↓ melanin — tyrosine depleted), seizures, eczema. Screening: Guthrie test (PKU screen at birth). Treatment: phenylalanine-restricted diet + tyrosine supplementation.", year: "2020", marks: 5 },
          { q: "Describe transamination and oxidative deamination.", a: "Transamination: amino group transfer between amino acid and α-keto acid. PLP (Vit B6) cofactor. ALT: Ala + α-KG ↔ Pyruvate + Glu. AST: Asp + α-KG ↔ OAA + Glu. Oxidative deamination: GDH (liver): Glu + NAD⁺ → α-KG + NH4⁺ + NADH. Links protein metabolism to TCA.", year: "2021", marks: 5 }
        ]
      },
      {
        name: "Molecular Biology",
        questions: [
          { q: "Describe DNA replication — the enzymes involved and its significance.", a: "Semiconservative (Meselson-Stahl). Helicase: unwinds. SSBPs: stabilize. Primase: RNA primer. DNA pol III (prokaryote) / pol δ, ε (eukaryote): 5'→3' synthesis. Pol I: removes primer. Ligase: joins Okazaki fragments. Leading strand: continuous. Lagging: discontinuous. Telomerase: maintains chromosome ends.", year: "2019", marks: 10 },
          { q: "Describe transcription and translation — the central dogma.", a: "Transcription: DNA → mRNA (RNA pol, promoter, template strand, 5'→3'). Processing (eukaryote): 5' cap, poly-A tail, splicing. Translation: mRNA → protein. Ribosomes (A, P, E sites). tRNA anticodon, aminoacyl-tRNA synthetase. Initiation (AUG, Met), elongation (peptide bond — transpeptidation), termination (UAA, UAG, UGA).", year: "2020", marks: 10 },
          { q: "Write a note on PCR — principle and applications.", a: "Polymerase Chain Reaction: exponential amplification. Steps: 94°C denaturation → 50-65°C annealing (primers) → 72°C extension (Taq polymerase). 2ⁿ copies after n cycles. Applications: pathogen detection, genetic diagnosis, forensics, sequencing, COVID-19 testing.", year: "2021", marks: 5 }
        ]
      },
      {
        name: "Vitamins & Minerals",
        questions: [
          { q: "Classify vitamins. Describe deficiency of Vitamin B12.", a: "Fat-soluble: A, D, E, K. Water-soluble: B complex + C. B12 (cobalamin): requires intrinsic factor (gastric parietal cells). Deficiency causes: megaloblastic anemia (↓ DNA synthesis), subacute combined degeneration of spinal cord (posterior + lateral columns), glossitis. Cause: pernicious anemia, veganism.", year: "2019", marks: 10 },
          { q: "Describe Vitamin D metabolism and its role in calcium homeostasis.", a: "UV → skin → cholecalciferol → liver (25-hydroxylase) → 25-OH D3 → kidney (1α-hydroxylase, stimulated by PTH) → 1,25-(OH)₂D3 (calcitriol, active). Actions: ↑ intestinal Ca²⁺ absorption, ↑ renal Ca²⁺ reabsorption, ↑ bone resorption. Deficiency: rickets (children), osteomalacia (adults).", year: "2020", marks: 5 },
          { q: "Write a note on iron metabolism and iron deficiency anemia.", a: "Absorption: ferrous (Fe²⁺) in duodenum (DMT1), converted by ferrireductase. Transport: transferrin (Fe³⁺). Storage: ferritin (liver, spleen, bone marrow), hemosiderin. Regulation: hepcidin (↑ ferritin, ↓ absorption). IDA: microcytic hypochromic anemia, koilonychia, atrophic glossitis, pica.", year: "2021", marks: 5 }
        ]
      },
      {
        name: "Enzymes",
        questions: [
          { q: "Describe enzyme kinetics — Michaelis-Menten equation and its significance.", a: "v = Vmax[S] / (Km + [S]). Km = substrate conc at ½Vmax — measure of affinity (low Km = high affinity). Vmax = maximum velocity. Competitive inhibition: ↑ apparent Km, Vmax unchanged. Non-competitive: Km unchanged, ↓ Vmax. Lineweaver-Burk plot (double reciprocal) used to determine constants.", year: "2020", marks: 10 },
          { q: "Write a note on isoenzymes with clinical examples.", a: "Isoenzymes: multiple molecular forms of same enzyme, same reaction, different structure/charge. LDH: LDH1 (heart — ↑ in MI), LDH5 (liver — ↑ in hepatitis). CK: CK-MB (↑ in MI), CK-MM (muscle), CK-BB (brain). Alkaline phosphatase: bone (ALP1), liver (ALP2). Used as cardiac and liver biomarkers.", year: "2021", marks: 5 }
        ]
      }
    ]
  }
};

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          <div class="mode-card">
            <div class="mode-icon">🃏</div>
            <h3>Flashcard Mode</h3>
            <p>Questions shuffle randomly every session. Tap to reveal the answer. Perfect for active recall practice.</p>
          </div>
        </div>
      </div>
    </section>
  </main>

  <footer class="site-footer">
    <p>KUHS-Wise · First Year MBBS · Kerala University of Health Sciences</p>
    <p class="footer-note">Questions are for educational purposes. Verify with official KUHS resources.</p>
  </footer>

  <script src="data/questions.js"></script>
  <script>
    // Compute stats
    let totalQ = 0;
    const years = new Set();
    for (const [key, subj] of Object.entries(QUESTIONS)) {
      let subjQ = 0;
      for (const ch of subj.chapters) {
        subjQ += ch.questions.length;
        totalQ += ch.questions.length;
        for (const q of ch.questions) years.add(q.year);
      }
      const el = document.getElementById('meta-' + key);
      if (el) el.textContent = subjQ + ' questions';
    }
    document.getElementById('stat-total-q').textContent = totalQ;
    const yrs = [...years].sort();
    document.getElementById('stat-years').textContent = yrs[0] + '–' + yrs[yrs.length-1];

    // Color subject cards
    document.querySelectorAll('.subject-card').forEach(card => {
      const color = card.dataset.color;
      card.style.setProperty('--card-color', color);
    });
  </script>
</body>
</html>

~/kuhs-wise/subject.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>KUHS-Wise | Subject View</title>
  <link rel="stylesheet" href="assets/style.css" />
  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet" />
</head>
<body>
  <header class="site-header">
    <div class="header-inner">
      <div class="brand">
        <a href="index.html" style="text-decoration:none;color:inherit;display:flex;align-items:center;gap:8px">
          <span class="brand-icon">🏥</span>
          <span class="brand-name">KUHS<span class="brand-accent">-Wise</span></span>
        </a>
      </div>
      <nav class="header-nav">
        <a href="index.html" class="nav-link">Home</a>
        <a href="subject.html?s=anatomy" class="nav-link" data-subj="anatomy">Anatomy</a>
        <a href="subject.html?s=physiology" class="nav-link" data-subj="physiology">Physiology</a>
        <a href="subject.html?s=biochemistry" class="nav-link" data-subj="biochemistry">Biochemistry</a>
      </nav>
    </div>
  </header>

  <div class="subj-hero" id="subj-hero">
    <div class="subj-hero-inner">
      <div class="subj-icon" id="subj-icon"></div>
      <div>
        <div class="subj-badge" id="subj-badge">KUHS · First Year MBBS</div>
        <h1 class="subj-title" id="subj-title">Subject</h1>
        <p class="subj-sub" id="subj-sub">Previous year questions</p>
      </div>
    </div>
    <div class="subj-actions">
      <button class="btn btn-white" onclick="toggleAll(true)">Expand All</button>
      <button class="btn btn-white" onclick="toggleAll(false)">Collapse All</button>
      <a id="flashcard-link" href="#" class="btn btn-accent">🃏 Flashcard Mode</a>
    </div>
  </div>

  <div class="subj-layout">
    <aside class="toc-panel" id="toc-panel">
      <div class="toc-title">Chapters</div>
      <ul class="toc-list" id="toc-list"></ul>
    </aside>

    <main class="content-panel" id="content-panel">
      <div class="mode-toggle">
        <span class="mode-label">Mode:</span>
        <button class="mode-btn active" id="btn-display" onclick="setMode('display')">📖 Display</button>
        <button class="mode-btn" id="btn-flashcard" onclick="setMode('flashcard')">🃏 Flashcard</button>
      </div>

      <!-- Display mode content -->
      <div id="display-content"></div>

      <!-- Flashcard mode content -->
      <div id="flashcard-content" style="display:none">
        <div class="fc-header">
          <div class="fc-progress-wrap">
            <span id="fc-counter">1 / 1</span>
            <div class="fc-progress-bar"><div class="fc-progress-fill" id="fc-fill"></div></div>
          </div>
          <div class="fc-controls">
            <button class="fc-btn" onclick="prevCard()">← Prev</button>
            <button class="fc-btn" onclick="nextCard()">Next →</button>
            <button class="fc-btn fc-btn-shuffle" onclick="shuffleCards()">🔀 Shuffle</button>
          </div>
        </div>
        <div class="fc-card" id="fc-card" onclick="flipCard()">
          <div class="fc-inner" id="fc-inner">
            <div class="fc-front">
              <div class="fc-tag" id="fc-tag"></div>
              <div class="fc-question" id="fc-question"></div>
              <div class="fc-hint">Tap to reveal answer</div>
            </div>
            <div class="fc-back">
              <div class="fc-answer-label">Answer</div>
              <div class="fc-answer" id="fc-answer"></div>
            </div>
          </div>
        </div>
        <div class="fc-meta">
          <span id="fc-year"></span>
          <span id="fc-marks"></span>
          <span id="fc-chapter"></span>
        </div>
      </div>
    </main>
  </div>

  <footer class="site-footer">
    <p>KUHS-Wise · First Year MBBS · Kerala University of Health Sciences</p>
  </footer>

  <script src="data/questions.js"></script>
  <script>
    const params = new URLSearchParams(window.location.search);
    const subjectKey = params.get('s') || 'anatomy';
    const subject = QUESTIONS[subjectKey];

    if (!subject) {
      document.body.innerHTML = '<div style="padding:60px;text-align:center;font-family:Inter,sans-serif"><h2>Subject not found.</h2><a href="index.html">Go back</a></div>';
    }

    // Mark active nav
    document.querySelectorAll('[data-subj]').forEach(a => {
      if (a.dataset.subj === subjectKey) a.classList.add('active');
    });

    // Set hero
    document.getElementById('subj-icon').textContent = subject.icon;
    document.getElementById('subj-title').textContent = subject.title;
    document.getElementById('subj-sub').textContent = subject.chapters.reduce((acc, ch) => acc + ch.questions.length, 0) + ' Previous Year Questions';
    document.getElementById('flashcard-link').href = 'flashcard.html?s=' + subjectKey;
    document.getElementById('subj-hero').style.setProperty('--hero-color', subject.color);

    // Build display content
    const displayDiv = document.getElementById('display-content');
    const tocList = document.getElementById('toc-list');

    subject.chapters.forEach((chapter, ci) => {
      // ToC
      const li = document.createElement('li');
      li.innerHTML = `<a href="#ch-${ci}" class="toc-link">${chapter.name} <span class="toc-count">${chapter.questions.length}</span></a>`;
      tocList.appendChild(li);

      // Chapter block
      const chDiv = document.createElement('div');
      chDiv.className = 'chapter-block';
      chDiv.id = `ch-${ci}`;
      chDiv.innerHTML = `<div class="chapter-header" onclick="toggleChapter(this)">
        <div class="chapter-title"><span class="ch-num">${ci+1}</span>${chapter.name}</div>
        <span class="ch-toggle">▼</span>
      </div>
      <div class="chapter-body">`;

      chapter.questions.forEach((q, qi) => {
        chDiv.querySelector('.chapter-body').innerHTML += `
          <div class="q-item" id="q-${ci}-${qi}">
            <div class="q-header" onclick="toggleQ(this)">
              <div class="q-text"><span class="q-num">Q${qi+1}</span>${q.q}</div>
              <div class="q-meta-row">
                ${q.year ? `<span class="q-year">${q.year}</span>` : ''}
                ${q.marks ? `<span class="q-marks">${q.marks} marks</span>` : ''}
                <span class="q-toggle-icon">+</span>
              </div>
            </div>
            <div class="q-answer" style="display:none">
              <div class="answer-label">Answer</div>
              <div class="answer-text">${q.a}</div>
            </div>
          </div>`;
      });

      chDiv.querySelector('.chapter-body').innerHTML += '</div>';
      displayDiv.appendChild(chDiv);
    });

    // Toggle question
    function toggleQ(header) {
      const answer = header.nextElementSibling;
      const icon = header.querySelector('.q-toggle-icon');
      if (answer.style.display === 'none') {
        answer.style.display = 'block';
        icon.textContent = '−';
        header.classList.add('open');
      } else {
        answer.style.display = 'none';
        icon.textContent = '+';
        header.classList.remove('open');
      }
    }

    function toggleChapter(header) {
      const body = header.nextElementSibling;
      const icon = header.querySelector('.ch-toggle');
      if (body.style.display === 'none') {
        body.style.display = 'block';
        icon.textContent = '▼';
      } else {
        body.style.display = 'none';
        icon.textContent = '▶';
      }
    }

    function toggleAll(open) {
      document.querySelectorAll('.chapter-body').forEach(b => {
        b.style.display = open ? 'block' : 'none';
      });
      document.querySelectorAll('.ch-toggle').forEach(i => {
        i.textContent = open ? '▼' : '▶';
      });
    }

    // Flashcard mode
    let allCards = [];
    let currentIdx = 0;
    let flipped = false;

    function buildAllCards() {
      allCards = [];
      subject.chapters.forEach(ch => {
        ch.questions.forEach(q => {
          allCards.push({ ...q, chapter: ch.name });
        });
      });
    }

    function shuffleCards() {
      for (let i = allCards.length - 1; i > 0; i--) {
        const j = Math.floor(Math.random() * (i + 1));
        [allCards[i], allCards[j]] = [allCards[j], allCards[i]];
      }
      currentIdx = 0;
      showCard();
    }

    function showCard() {
      if (!allCards.length) return;
      const card = allCards[currentIdx];
      flipped = false;
      document.getElementById('fc-inner').classList.remove('flipped');
      document.getElementById('fc-question').textContent = card.q;
      document.getElementById('fc-answer').textContent = card.a;
      document.getElementById('fc-tag').textContent = card.chapter;
      document.getElementById('fc-year').textContent = card.year ? '📅 ' + card.year : '';
      document.getElementById('fc-marks').textContent = card.marks ? '⭐ ' + card.marks + ' marks' : '';
      document.getElementById('fc-chapter').textContent = '📂 ' + card.chapter;
      document.getElementById('fc-counter').textContent = (currentIdx + 1) + ' / ' + allCards.length;
      const pct = ((currentIdx + 1) / allCards.length * 100).toFixed(1);
      document.getElementById('fc-fill').style.width = pct + '%';
    }

    function flipCard() {
      flipped = !flipped;
      document.getElementById('fc-inner').classList.toggle('flipped', flipped);
    }

    function nextCard() {
      if (currentIdx < allCards.length - 1) { currentIdx++; showCard(); }
    }
    function prevCard() {
      if (currentIdx > 0) { currentIdx--; showCard(); }
    }

    function setMode(mode) {
      if (mode === 'display') {
        document.getElementById('display-content').style.display = 'block';
        document.getElementById('flashcard-content').style.display = 'none';
        document.getElementById('btn-display').classList.add('active');
        document.getElementById('btn-flashcard').classList.remove('active');
      } else {
        document.getElementById('display-content').style.display = 'none';
        document.getElementById('flashcard-content').style.display = 'block';
        document.getElementById('btn-display').classList.remove('active');
        document.getElementById('btn-flashcard').classList.add('active');
        if (!allCards.length) { buildAllCards(); shuffleCards(); }
        else showCard();
      }
    }

    // Keyboard navigation
    document.addEventListener('keydown', e => {
      if (document.getElementById('flashcard-content').style.display !== 'none') {
        if (e.key === 'ArrowRight') nextCard();
        if (e.key === 'ArrowLeft') prevCard();
        if (e.key === ' ') { e.preventDefault(); flipCard(); }
      }
    });
  </script>
</body>
</html>

~/kuhs-wise/flashcard.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>KUHS-Wise | Flashcard Mode</title>
  <link rel="stylesheet" href="assets/style.css" />
  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet" />
</head>
<body class="fc-fullpage">
  <header class="site-header">
    <div class="header-inner">
      <div class="brand">
        <a href="index.html" style="text-decoration:none;color:inherit;display:flex;align-items:center;gap:8px">
          <span class="brand-icon">🏥</span>
          <span class="brand-name">KUHS<span class="brand-accent">-Wise</span></span>
        </a>
      </div>
      <nav class="header-nav">
        <a href="index.html" class="nav-link">Home</a>
        <a href="subject.html?s=anatomy" class="nav-link">Anatomy</a>
        <a href="subject.html?s=physiology" class="nav-link">Physiology</a>
        <a href="subject.html?s=biochemistry" class="nav-link">Biochemistry</a>
      </nav>
    </div>
  </header>

  <div class="fc-full-wrap">
    <div class="fc-top-bar">
      <div class="fc-subject-tabs" id="fc-subject-tabs">
        <button class="fc-tab active" data-s="all" onclick="setSubject('all')">All Subjects</button>
        <button class="fc-tab" data-s="anatomy" onclick="setSubject('anatomy')">🦴 Anatomy</button>
        <button class="fc-tab" data-s="physiology" onclick="setSubject('physiology')">⚡ Physiology</button>
        <button class="fc-tab" data-s="biochemistry" onclick="setSubject('biochemistry')">🧬 Biochemistry</button>
      </div>
      <div class="fc-top-actions">
        <button class="fc-btn fc-btn-shuffle" onclick="shuffleCards()">🔀 Shuffle</button>
        <button class="fc-btn" onclick="resetCards()">↺ Reset</button>
      </div>
    </div>

    <div class="fc-progress-wrap fc-full-progress">
      <div class="fc-progress-bar">
        <div class="fc-progress-fill" id="fc-fill"></div>
      </div>
      <span id="fc-counter" class="fc-counter-badge">1 / 1</span>
    </div>

    <div class="fc-big-card" id="fc-card" onclick="flipCard()">
      <div class="fc-inner" id="fc-inner">
        <div class="fc-front">
          <div class="fc-card-top">
            <span class="fc-chapter-tag" id="fc-tag"></span>
            <span class="fc-subj-tag" id="fc-subj-badge"></span>
          </div>
          <div class="fc-big-question" id="fc-question">Loading...</div>
          <div class="fc-hint-text">
            <span class="hint-icon">👆</span> Tap to reveal · Space bar · Arrow keys to navigate
          </div>
        </div>
        <div class="fc-back">
          <div class="fc-answer-label">✅ Answer</div>
          <div class="fc-big-answer" id="fc-answer"></div>
          <div class="fc-card-bottom">
            <span id="fc-year"></span>
            <span id="fc-marks"></span>
          </div>
        </div>
      </div>
    </div>

    <div class="fc-nav-bar">
      <button class="fc-nav-btn" onclick="prevCard()">← Previous</button>
      <div class="fc-rating">
        <span class="rating-label">Mark as:</span>
        <button class="rate-btn rate-hard" onclick="rateCard('hard')">😰 Hard</button>
        <button class="rate-btn rate-ok" onclick="rateCard('ok')">😐 OK</button>
        <button class="rate-btn rate-easy" onclick="rateCard('easy')">😊 Easy</button>
      </div>
      <button class="fc-nav-btn" onclick="nextCard()">Next →</button>
    </div>

    <div class="fc-score-bar">
      <span class="score-item score-hard">😰 Hard: <strong id="cnt-hard">0</strong></span>
      <span class="score-item score-ok">😐 OK: <strong id="cnt-ok">0</strong></span>
      <span class="score-item score-easy">😊 Easy: <strong id="cnt-easy">0</strong></span>
    </div>
  </div>

  <script src="data/questions.js"></script>
  <script>
    const urlParams = new URLSearchParams(window.location.search);
    const initSubj = urlParams.get('s') || 'all';

    let allCards = [];
    let currentIdx = 0;
    let flipped = false;
    let ratings = { hard: 0, ok: 0, easy: 0 };

    function buildCards(subjKey) {
      allCards = [];
      const subjects = subjKey === 'all' ? Object.entries(QUESTIONS) : [[subjKey, QUESTIONS[subjKey]]];
      for (const [key, subj] of subjects) {
        subj.chapters.forEach(ch => {
          ch.questions.forEach(q => {
            allCards.push({ ...q, chapter: ch.name, subject: subj.title, subjectKey: key, color: subj.color, icon: subj.icon });
          });
        });
      }
    }

    function setSubject(key) {
      document.querySelectorAll('.fc-tab').forEach(t => t.classList.toggle('active', t.dataset.s === key));
      buildCards(key);
      shuffleCards();
    }

    function shuffleCards() {
      for (let i = allCards.length - 1; i > 0; i--) {
        const j = Math.floor(Math.random() * (i + 1));
        [allCards[i], allCards[j]] = [allCards[j], allCards[i]];
      }
      currentIdx = 0;
      ratings = { hard: 0, ok: 0, easy: 0 };
      updateScore();
      showCard();
    }

    function resetCards() {
      currentIdx = 0;
      ratings = { hard: 0, ok: 0, easy: 0 };
      updateScore();
      showCard();
    }

    function showCard() {
      if (!allCards.length) return;
      const card = allCards[currentIdx];
      flipped = false;
      document.getElementById('fc-inner').classList.remove('flipped');
      document.getElementById('fc-question').textContent = card.q;
      document.getElementById('fc-answer').textContent = card.a;
      document.getElementById('fc-tag').textContent = card.chapter;
      document.getElementById('fc-subj-badge').textContent = card.icon + ' ' + card.subject;
      document.getElementById('fc-subj-badge').style.background = card.color + '22';
      document.getElementById('fc-subj-badge').style.color = card.color;
      document.getElementById('fc-year').textContent = card.year ? '📅 ' + card.year : '';
      document.getElementById('fc-marks').textContent = card.marks ? '⭐ ' + card.marks + ' marks' : '';
      document.getElementById('fc-counter').textContent = (currentIdx + 1) + ' / ' + allCards.length;
      const pct = ((currentIdx + 1) / allCards.length * 100);
      document.getElementById('fc-fill').style.width = pct + '%';
      document.getElementById('fc-card').style.setProperty('--card-accent', card.color);
    }

    function flipCard() {
      flipped = !flipped;
      document.getElementById('fc-inner').classList.toggle('flipped', flipped);
    }

    function nextCard() {
      if (currentIdx < allCards.length - 1) { currentIdx++; showCard(); }
    }
    function prevCard() {
      if (currentIdx > 0) { currentIdx--; showCard(); }
    }

    function rateCard(rating) {
      ratings[rating]++;
      updateScore();
      nextCard();
    }

    function updateScore() {
      document.getElementById('cnt-hard').textContent = ratings.hard;
      document.getElementById('cnt-ok').textContent = ratings.ok;
      document.getElementById('cnt-easy').textContent = ratings.easy;
    }

    // Keyboard
    document.addEventListener('keydown', e => {
      if (e.key === 'ArrowRight') nextCard();
      else if (e.key === 'ArrowLeft') prevCard();
      else if (e.key === ' ') { e.preventDefault(); flipCard(); }
      else if (e.key === '1') rateCard('hard');
      else if (e.key === '2') rateCard('ok');
      else if (e.key === '3') rateCard('easy');
    });

    // Init
    setSubject(initSubj);
    document.querySelectorAll('.fc-tab').forEach(t => t.classList.toggle('active', t.dataset.s === initSubj));
  </script>
</body>
</html>

mkdir -p /home/daytona/workspace/kuhs-wise/assets

~/kuhs-wise/assets/style.css

/* ============================================
   KUHS-Wise — Global Styles
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --bg2: #161b27;
  --bg3: #1e2538;
  --surface: #1e2538;
  --surface2: #252d42;
  --border: #2e3854;
  --text: #e8eaf6;
  --text2: #8892a4;
  --accent: #6c63ff;
  --accent2: #8b83ff;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.2rem;
}
.brand-icon { font-size: 1.4rem; }
.brand-accent { color: var(--accent); }
.header-nav { display: flex; gap: 4px; }
.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: var(--surface);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  font-family: var(--font);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); }
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface2); }
.btn-white {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-white:hover { background: rgba(255,255,255,0.18); }
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover { background: var(--accent2); }

/* ============================================
   HERO
   ============================================ */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(108, 99, 255, 0.15);
  border: 1px solid rgba(108, 99, 255, 0.3);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--accent2);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
}
.accent { color: var(--accent); }
.hero-sub {
  color: var(--text2);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 30px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats {
  display: flex;
  gap: 36px;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-n { font-size: 1.8rem; font-weight: 800; color: var(--text); }
.stat-label { font-size: 0.78rem; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; }
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}
.card-float {
  padding: 14px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  animation: floatAnim 3s ease-in-out infinite;
}
.card-1 { animation-delay: 0s; }
.card-2 { animation-delay: 0.7s; }
.card-3 { animation-delay: 1.4s; }
@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ============================================
   SUBJECTS SECTION
   ============================================ */
.subjects-section, .modes-section {
  padding: 60px 24px;
}
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 32px;
}
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.subject-card {
  --card-color: #6c63ff;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text);
  position: relative;
  overflow: hidden;
  transition: all 0.25s;
}
.subject-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-color);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.subject-card:hover {
  border-color: var(--card-color);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.subject-icon { font-size: 2.4rem; }
.subject-name { font-size: 1.2rem; font-weight: 700; }
.subject-desc { font-size: 0.85rem; color: var(--text2); flex: 1; }
.subject-meta { font-size: 0.8rem; color: var(--accent2); font-weight: 600; }
.subject-arrow {
  position: absolute;
  right: 24px;
  bottom: 24px;
  font-size: 1.1rem;
  color: var(--text2);
  transition: transform 0.2s;
}
.subject-card:hover .subject-arrow { transform: translateX(4px); }

.modes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.mode-card {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.mode-icon { font-size: 2rem; margin-bottom: 12px; }
.mode-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.mode-card p { color: var(--text2); font-size: 0.9rem; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  color: var(--text2);
  font-size: 0.85rem;
}
.footer-note { margin-top: 6px; font-size: 0.78rem; opacity: 0.6; }

/* ============================================
   SUBJECT PAGE
   ============================================ */
.subj-hero {
  --hero-color: #6c63ff;
  background: linear-gradient(135deg, var(--bg2) 0%, var(--bg3) 100%);
  border-bottom: 1px solid var(--border);
  padding: 36px 24px 28px;
}
.subj-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}
.subj-icon { font-size: 3rem; }
.subj-badge {
  font-size: 0.78rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 6px;
}
.subj-title { font-size: 2rem; font-weight: 800; color: var(--hero-color, var(--accent)); }
.subj-sub { color: var(--text2); font-size: 0.9rem; margin-top: 4px; }
.subj-actions {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.subj-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}

/* TOC */
.toc-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  position: sticky;
  top: 76px;
}
.toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.toc-list { list-style: none; }
.toc-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 10px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text2);
  font-size: 0.85rem;
  transition: all 0.15s;
}
.toc-link:hover { background: var(--bg3); color: var(--text); }
.toc-count {
  background: var(--bg3);
  color: var(--text2);
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 10px;
}

/* Mode Toggle */
.mode-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.mode-label { font-size: 0.85rem; color: var(--text2); }
.mode-btn {
  padding: 7px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text2);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.mode-btn.active, .mode-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Chapter blocks */
.chapter-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
}
.chapter-header {
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.chapter-header:hover { background: var(--surface2); }
.chapter-title {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
}
.ch-num {
  width: 28px; height: 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.ch-toggle { color: var(--text2); font-size: 0.85rem; transition: transform 0.2s; }

/* Q items */
.q-item {
  border-top: 1px solid var(--border);
}
.q-header {
  padding: 16px 22px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.15s;
}
.q-header:hover { background: var(--bg2); }
.q-header.open { background: rgba(108, 99, 255, 0.04); }
.q-text {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.55;
  display: flex;
  gap: 10px;
}
.q-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent2);
  background: rgba(108, 99, 255, 0.12);
  padding: 2px 8px;
  border-radius: 6px;
  flex-shrink: 0;
  height: fit-content;
  margin-top: 2px;
}
.q-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.q-year {
  font-size: 0.75rem;
  color: var(--text2);
  background: var(--bg3);
  padding: 2px 8px;
  border-radius: 6px;
}
.q-marks {
  font-size: 0.75rem;
  color: #f1c40f;
  background: rgba(241, 196, 15, 0.1);
  padding: 2px 8px;
  border-radius: 6px;
}
.q-toggle-icon {
  margin-left: auto;
  color: var(--text2);
  font-size: 1.1rem;
  font-weight: 300;
}
.q-answer {
  padding: 18px 22px 22px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
}
.answer-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: #2ecc71;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.answer-text {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.65;
}

/* ============================================
   INLINE FLASHCARD (subject page)
   ============================================ */
.fc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.fc-progress-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.fc-progress-bar {
  width: 200px;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.fc-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}
.fc-controls { display: flex; gap: 8px; }
.fc-btn {
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.fc-btn:hover { background: var(--surface2); }
.fc-btn-shuffle { color: var(--accent); border-color: var(--accent); }
.fc-btn-shuffle:hover { background: rgba(108, 99, 255, 0.12); }

/* Flip card */
.fc-card, .fc-big-card {
  cursor: pointer;
  perspective: 1000px;
  height: 260px;
  margin-bottom: 16px;
}
.fc-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.fc-inner.flipped { transform: rotateY(180deg); }
.fc-front, .fc-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--border);
}
.fc-front {
  background: var(--surface);
  border-top: 3px solid var(--accent);
}
.fc-back {
  background: var(--bg2);
  border-top: 3px solid #2ecc71;
  transform: rotateY(180deg);
}
.fc-question, .fc-big-question {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  margin-bottom: 16px;
}
.fc-hint {
  font-size: 0.8rem;
  color: var(--text2);
  text-align: center;
}
.fc-answer-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #2ecc71;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.fc-answer, .fc-big-answer {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text);
}
.fc-meta {
  display: flex;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--text2);
}

/* ============================================
   FULL FLASHCARD PAGE
   ============================================ */
.fc-fullpage { background: var(--bg); }
.fc-full-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}
.fc-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.fc-subject-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.fc-tab {
  padding: 7px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text2);
  font-size: 0.83rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.fc-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.fc-top-actions { display: flex; gap: 8px; }

.fc-full-progress {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.fc-full-progress .fc-progress-bar { flex: 1; height: 8px; }
.fc-counter-badge {
  font-size: 0.82rem;
  color: var(--text2);
  white-space: nowrap;
  font-weight: 600;
}

/* Big card */
.fc-big-card {
  height: 360px;
  margin-bottom: 0;
}
.fc-big-card .fc-front {
  border-top: 4px solid var(--card-accent, var(--accent));
  justify-content: space-between;
}
.fc-big-card .fc-back {
  border-top: 4px solid #2ecc71;
  justify-content: space-between;
  overflow-y: auto;
}
.fc-card-top {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.fc-chapter-tag {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg3);
  color: var(--text2);
  padding: 3px 10px;
  border-radius: 8px;
}
.fc-subj-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 8px;
}
.fc-big-question { font-size: 1.15rem; flex: 1; }
.fc-hint-text {
  font-size: 0.82rem;
  color: var(--text2);
  text-align: center;
  padding: 12px 0 0;
  border-top: 1px solid var(--border);
}
.hint-icon { margin-right: 4px; }
.fc-big-answer { flex: 1; font-size: 0.95rem; overflow-y: auto; }
.fc-card-bottom {
  display: flex;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--text2);
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}

/* Nav bar */
.fc-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  flex-wrap: wrap;
  gap: 12px;
}
.fc-nav-btn {
  padding: 10px 24px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.fc-nav-btn:hover { background: var(--surface2); border-color: var(--accent); color: var(--accent); }
.fc-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.rating-label { font-size: 0.8rem; color: var(--text2); }
.rate-btn {
  padding: 7px 14px;
  border-radius: 8px;
  border: none;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.rate-hard { background: rgba(231, 76, 60, 0.15); color: #e74c3c; }
.rate-hard:hover { background: rgba(231, 76, 60, 0.28); }
.rate-ok { background: rgba(243, 156, 18, 0.15); color: #f39c12; }
.rate-ok:hover { background: rgba(243, 156, 18, 0.28); }
.rate-easy { background: rgba(46, 204, 113, 0.15); color: #2ecc71; }
.rate-easy:hover { background: rgba(46, 204, 113, 0.28); }

.fc-score-bar {
  display: flex;
  gap: 16px;
  justify-content: center;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
}
.score-item { font-size: 0.85rem; color: var(--text2); }
.score-hard strong { color: #e74c3c; }
.score-ok strong { color: #f39c12; }
.score-easy strong { color: #2ecc71; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .subjects-grid { grid-template-columns: 1fr; }
  .modes-grid { grid-template-columns: 1fr; }
  .subj-layout { grid-template-columns: 1fr; }
  .toc-panel { position: static; }
}
@media (max-width: 600px) {
  .header-nav { display: none; }
  .hero { padding: 40px 16px 40px; }
  .fc-rating { display: none; }
}

cd /home/daytona/workspace/kuhs-wise && find . -type f | sort && echo "---" && l…

cd /home/daytona/workspace && zip -r kuhs-wise.zip kuhs-wise/ && ls -lh kuhs-wis…

cd /home/daytona/workspace && cp kuhs-wise/assets/style.css /tmp/style.css && cp…

ls -lh /home/daytona/workspace/kuhs-wise/assets/style.css /home/daytona/workspac…

~/kuhs-wise/build_excel.py

import openpyxl
from openpyxl.styles import (
    Font, PatternFill, Alignment, Border, Side, GradientFill
)
from openpyxl.utils import get_column_letter
from openpyxl.worksheet.datavalidation import DataValidation

wb = openpyxl.Workbook()

# ─────────────────────────────────────────────
# COLOUR PALETTE
# ─────────────────────────────────────────────
DARK_BG    = "0F1117"
ACCENT     = "6C63FF"
ACCENT_LIGHT = "EAE8FF"
GREEN      = "2ECC71"
GREEN_LIGHT= "D5F5E3"
RED_LIGHT  = "FADBD8"
YELLOW_LIGHT="FEF9E7"
PURPLE_LIGHT="F5EEF8"
GREY_BG    = "F2F3F4"
BORDER_CLR = "D5D8DC"
WHITE      = "FFFFFF"
BLACK      = "000000"
SUBJ_COLORS = {
    "Anatomy":      ("E74C3C", "FDEDEC"),
    "Physiology":   ("2ECC71", "EAFAF1"),
    "Biochemistry": ("9B59B6", "F5EEF8"),
}

def side(style="thin", color=BORDER_CLR):
    return Side(style=style, color=color)

def thin_border():
    s = side()
    return Border(left=s, right=s, top=s, bottom=s)

def header_font(size=11, bold=True, color=WHITE):
    return Font(name="Arial", size=size, bold=bold, color=color)

def body_font(size=10, bold=False, color=BLACK):
    return Font(name="Arial", size=size, bold=bold, color=color)

def fill(hex_color):
    return PatternFill("solid", fgColor=hex_color)

def wrap_center(horizontal="center", vertical="center", wrap=True):
    return Alignment(horizontal=horizontal, vertical=vertical, wrap_text=wrap)

def wrap_left():
    return Alignment(horizontal="left", vertical="top", wrap_text=True)


# ─────────────────────────────────────────────
# SHEET 1: INSTRUCTIONS
# ─────────────────────────────────────────────
ws_inst = wb.active
ws_inst.title = "📋 Instructions"
ws_inst.sheet_view.showGridLines = False
ws_inst.column_dimensions["A"].width = 3
ws_inst.column_dimensions["B"].width = 28
ws_inst.column_dimensions["C"].width = 70
ws_inst.row_dimensions[1].height = 10

# Title block
ws_inst.merge_cells("B2:C2")
ws_inst["B2"] = "🏥  KUHS-Wise — Question Bank Template"
ws_inst["B2"].font = Font(name="Arial", size=16, bold=True, color=ACCENT)
ws_inst["B2"].fill = fill("F8F7FF")
ws_inst["B2"].alignment = Alignment(horizontal="left", vertical="center")
ws_inst.row_dimensions[2].height = 36

ws_inst.merge_cells("B3:C3")
ws_inst["B3"] = "First Year MBBS · Kerala University of Health Sciences"
ws_inst["B3"].font = Font(name="Arial", size=10, color="7F8C8D")
ws_inst["B3"].fill = fill("F8F7FF")
ws_inst["B3"].alignment = Alignment(horizontal="left", vertical="center")
ws_inst.row_dimensions[3].height = 22

ws_inst.row_dimensions[4].height = 12

# Section header helper
def section_head(ws, row, text):
    ws.merge_cells(f"B{row}:C{row}")
    ws[f"B{row}"] = text
    ws[f"B{row}"].font = Font(name="Arial", size=11, bold=True, color=WHITE)
    ws[f"B{row}"].fill = fill(ACCENT)
    ws[f"B{row}"].alignment = Alignment(horizontal="left", vertical="center", indent=1)
    ws.row_dimensions[row].height = 24

def info_row(ws, row, label, value, label_color="5D6D7E", val_bold=False):
    ws[f"B{row}"] = label
    ws[f"B{row}"].font = Font(name="Arial", size=10, bold=True, color=label_color)
    ws[f"B{row}"].fill = fill(GREY_BG)
    ws[f"B{row}"].alignment = Alignment(horizontal="left", vertical="top", wrap_text=True, indent=1)
    ws[f"B{row}"].border = thin_border()
    ws[f"C{row}"] = value
    ws[f"C{row}"].font = Font(name="Arial", size=10, bold=val_bold, color=BLACK)
    ws[f"C{row}"].fill = fill(WHITE)
    ws[f"C{row}"].alignment = Alignment(horizontal="left", vertical="top", wrap_text=True, indent=1)
    ws[f"C{row}"].border = thin_border()
    ws.row_dimensions[row].height = 36

section_head(ws_inst, 5, "📌  COLUMN GUIDE — what each column means")
cols_info = [
    ("Subject",      "Anatomy, Physiology, or Biochemistry — select from dropdown"),
    ("Chapter",      "Chapter name within the subject (e.g. Upper Limb, Blood, TCA Cycle)"),
    ("Question",     "The full question text exactly as it appeared in the exam"),
    ("Answer",       "Your answer / key points / mnemonics — can be as long as you like"),
    ("Year",         "Year the question appeared (e.g. 2023). Leave blank if unknown."),
    ("Marks",        "Marks allotted: 2, 5, or 10. Leave blank if unknown."),
    ("Importance",   "High / Medium / Low — your personal priority tag"),
    ("Notes",        "Any personal notes, mnemonics, or cross-references"),
]
for i, (col, desc) in enumerate(cols_info, start=6):
    info_row(ws_inst, i, col, desc)

ws_inst.row_dimensions[14].height = 10
section_head(ws_inst, 15, "✅  HOW TO USE")
steps = [
    ("Step 1", "Go to the 'Questions' sheet (tab at the bottom)."),
    ("Step 2", "Click on the Subject cell → a dropdown appears → pick Anatomy / Physiology / Biochemistry."),
    ("Step 3", "Fill in Chapter, Question, Answer, Year, Marks."),
    ("Step 4", "Importance column has a dropdown: High / Medium / Low."),
    ("Step 5", "The Summary sheet auto-counts your questions per subject."),
    ("Step 6", "Use Ctrl+F to search for any keyword across the sheet."),
    ("Step 7", "To filter by subject or chapter: Data → Filter → pick values."),
]
for i, (step, desc) in enumerate(steps, start=16):
    info_row(ws_inst, i, step, desc)

ws_inst.row_dimensions[23].height = 10
section_head(ws_inst, 24, "💡  TIPS")
tips = [
    ("Tip 1",  "Keep answers concise with bullet points — easier to flip through."),
    ("Tip 2",  "Use the Importance = High filter before exams to focus on key questions."),
    ("Tip 3",  "The 'Notes' column is great for mnemonics (e.g. NAVY for cubital fossa contents)."),
    ("Tip 4",  "Sort by Year (Data → Sort) to see which questions are most recent."),
    ("Tip 5",  "You can add more subjects by editing the dropdown source in the 'Lists' sheet."),
]
for i, (tip, desc) in enumerate(tips, start=25):
    info_row(ws_inst, i, tip, desc)


# ─────────────────────────────────────────────
# SHEET 2: QUESTIONS (main data entry)
# ─────────────────────────────────────────────
ws_q = wb.create_sheet("📝 Questions")
ws_q.sheet_view.showGridLines = False
ws_q.freeze_panes = "A3"

col_widths = [4, 16, 22, 52, 52, 8, 8, 14, 38]
col_keys   = ["", "Subject", "Chapter", "Question", "Answer", "Year", "Marks", "Importance", "Notes"]

for i, w in enumerate(col_widths, start=1):
    ws_q.column_dimensions[get_column_letter(i)].width = w

# Title row
ws_q.row_dimensions[1].height = 36
ws_q.merge_cells("A1:I1")
ws_q["A1"] = "🏥  KUHS-Wise · First Year MBBS · Question Bank"
ws_q["A1"].font = Font(name="Arial", size=14, bold=True, color=WHITE)
ws_q["A1"].fill = fill(DARK_BG)
ws_q["A1"].alignment = Alignment(horizontal="center", vertical="center")

# Header row
ws_q.row_dimensions[2].height = 30
for col_idx, col_name in enumerate(col_keys, start=1):
    cell = ws_q.cell(row=2, column=col_idx, value=col_name if col_name else "")
    cell.font = header_font(size=10)
    cell.fill = fill(ACCENT)
    cell.alignment = wrap_center()
    cell.border = thin_border()

# ── Sample data ──────────────────────────────
sample_data = [
    # Subject, Chapter, Question, Answer, Year, Marks, Importance, Notes
    ("Anatomy", "Upper Limb",
     "Describe the brachial plexus. Add a note on its clinical importance.",
     "Roots C5-T1.\nTrunks: Upper (C5,C6), Middle (C7), Lower (C8,T1).\nDivisions → Cords → Branches.\nClinical: Erb's palsy — upper trunk (waiter's tip). Klumpke's palsy — lower trunk (claw hand).",
     2019, 10, "High", "Mnemonic for branches: My Aunty Regrets Rejecting Men (Musculocutaneous, Axillary, Radial, Ulnar, Median)"),

    ("Anatomy", "Upper Limb",
     "Write a note on carpal tunnel — contents and syndrome.",
     "Flexor retinaculum + carpal bones form tunnel.\nContents: FDS (4), FDP (4), FPL tendons + median nerve.\nCTS: compression → pain/tingling lateral 3½ fingers, thenar wasting.\nTest: Tinel's, Phalen's.",
     2021, 5, "High", "CTS commonest nerve compression syndrome"),

    ("Anatomy", "Lower Limb",
     "Describe the femoral triangle — boundaries and contents.",
     "Base: inguinal ligament.\nLateral: sartorius. Medial: adductor longus.\nFloor: iliopsoas + pectineus.\nContents (lat→med): femoral Nerve, Artery, Vein, Y-fronts (lymphatics).\nMnemonic: NAVY",
     2019, 10, "High", "NAVY = N(erve) A(rtery) V(ein) Y(lymphatics)"),

    ("Anatomy", "Thorax",
     "Describe the conducting system of the heart.",
     "SA node (RA, 60-100 bpm, pacemaker) → AV node (40-60 bpm) → Bundle of His → L + R bundle branches → Purkinje fibres.\nBlood supply: SA node — RCA 60%; AV node — RCA 90%.",
     2021, 5, "Medium", "SA node in sulcus terminalis near SVC opening"),

    ("Anatomy", "Head & Neck",
     "Describe the cavernous sinus — contents and thrombosis.",
     "Location: beside body of sphenoid.\nContents in lateral wall (top→bottom): CN III, IV, V1, V2.\nWithin sinus: CN VI, ICA.\nThrombosis: spreads from danger area of face via angular + ophthalmic veins.\nFeatures: proptosis, chemosis, ophthalmoplegia.",
     2019, 10, "High", "Mnemonic: O-T-O-M-A (III, IV, V1, V2, VI from top)"),

    ("Physiology", "Blood",
     "Describe the coagulation cascade. Add a note on anticoagulants.",
     "Extrinsic: TF + VII → X.\nIntrinsic: XII→XI→IX + VIII → X.\nCommon: Xa + Va → prothrombin → thrombin → fibrin.\nAnticoagulants: Heparin (activates AT-III), Warfarin (blocks Vit K factors II,VII,IX,X).",
     2019, 10, "High", "Remember: Warfarin = 1972 (factors I,VII,IX,X → just 7,9,10,2)"),

    ("Physiology", "Blood",
     "Write a note on ABO blood group system.",
     "A: Ag-A + anti-B. B: Ag-B + anti-A.\nAB: both Ag, no Ab (universal recipient).\nO: no Ag, anti-A + anti-B (universal donor).\nLandsteiner's law: naturally occurring antibodies to absent antigens.",
     2021, 5, "Medium", "Universal donor = O-negative (no ABO + no Rh antigens)"),

    ("Physiology", "Cardiovascular",
     "Describe the cardiac cycle. Define cardiac output.",
     "Systole (0.3s): isovolumetric contraction → rapid ejection → reduced ejection.\nDiastole (0.5s): isovolumetric relaxation → rapid filling → diastasis.\nCO = HR × SV = 70 × 70 = ~5 L/min.\nRegulated by: preload (Frank-Starling), afterload, contractility, HR.",
     2019, 10, "High", "Normal SV = 70 mL; EF = SV/EDV = 70/120 ≈ 58%"),

    ("Physiology", "Respiratory",
     "Describe the O2-Hb dissociation curve. What causes shifts?",
     "Sigmoid curve. P50 = 26 mmHg.\nRight shift (↓ affinity): ↑ PCO2, ↑ H+, ↑ temp, ↑ 2,3-DPG, HbS.\nLeft shift (↑ affinity): ↓ PCO2, ↓ H+, ↓ temp, HbF, CO poisoning.",
     2019, 10, "High", "CADET — CO2, Acid, DPG, Exercise, Temp → Right shift"),

    ("Physiology", "Nerve & Muscle",
     "Describe the resting membrane potential and action potential.",
     "RMP: -70 mV (neuron), -90 mV (muscle). Mainly K+ equilibrium + Na/K ATPase.\nAP: Threshold → Na+ influx (depolarisation, +30 mV) → K+ efflux (repolarisation) → hyperpolarisation.\nAll-or-none law. Refractory periods: absolute (Na channels inactivated), relative.",
     2019, 10, "High", "Na/K ATPase: 3 Na out, 2 K in per cycle"),

    ("Biochemistry", "Carbohydrate Metabolism",
     "Describe glycolysis — steps, enzymes and energy yield.",
     "10 steps. Investment: 2 ATP used (hexokinase, PFK-1).\nPayoff: 4 ATP + 2 NADH produced.\nNet: 2 ATP + 2 NADH + 2 pyruvate.\nRate-limiting enzyme: PFK-1 (inhibited by ATP/citrate; activated by AMP/F-2,6-BP).",
     2019, 10, "High", "PFK-1 = most important regulatory step of glycolysis"),

    ("Biochemistry", "Carbohydrate Metabolism",
     "Describe the TCA cycle — steps, significance and regulation.",
     "Acetyl-CoA (2C) + OAA (4C) → citrate (6C). 8 steps.\nPer turn: 3 NADH, 1 FADH2, 1 GTP, 2 CO2.\nTotal/glucose: 10 NADH, 2 FADH2, 2 GTP.\nRate-limiting: isocitrate dehydrogenase (+ by ADP, Ca2+; - by ATP, NADH).\nAmphibolic pathway.",
     2020, 10, "High", "Krebs cycle feeds OXPHOS — 1 NADH = 2.5 ATP, 1 FADH2 = 1.5 ATP"),

    ("Biochemistry", "Lipid Metabolism",
     "Calculate ATP yield from complete oxidation of palmitic acid.",
     "Palmitate = 16C. Activation costs 2 ATP equivalents.\n7 cycles of beta-oxidation: each gives 1 FADH2 + 1 NADH + 1 Acetyl-CoA.\n8 Acetyl-CoA × 10 ATP = 80. 7 FADH2 × 1.5 = 10.5. 7 NADH × 2.5 = 17.5.\nTotal = 80 + 10.5 + 17.5 - 2 = 106 ATP.",
     2019, 10, "High", "Net ATP from palmitate = 106"),

    ("Biochemistry", "Molecular Biology",
     "Describe DNA replication — enzymes involved.",
     "Semiconservative (Meselson-Stahl).\nHelicase: unwinds. SSBPs: stabilise. Primase: RNA primer.\nDNA pol III (prokaryote) / pol delta, epsilon (eukaryote): 5'→3' synthesis.\nPol I: removes primer, fills gap. Ligase: joins Okazaki fragments.\nLeading strand: continuous. Lagging: discontinuous.",
     2019, 10, "High", "Okazaki fragments on lagging strand — joined by DNA ligase"),

    ("Biochemistry", "Vitamins & Minerals",
     "Describe Vitamin B12 deficiency.",
     "Requires intrinsic factor (parietal cells) for absorption in terminal ileum.\nDeficiency: megaloblastic anaemia (↓ DNA synthesis in RBCs), subacute combined degeneration of spinal cord (post + lat columns), glossitis, peripheral neuropathy.\nCauses: pernicious anaemia, veganism, gastrectomy.",
     2019, 10, "High", "B12 deficiency → SACD — only B12 causes neurological signs (not folate)"),
]

subj_fill_map = {
    "Anatomy":      fill("FDEDEC"),
    "Physiology":   fill("EAFAF1"),
    "Biochemistry": fill("F5EEF8"),
}
importance_fill = {
    "High":   fill("FADBD8"),
    "Medium": fill("FEF9E7"),
    "Low":    fill("EBF5FB"),
}

for r_idx, row in enumerate(sample_data, start=3):
    subj, chap, question, answer, year, marks, importance, notes = row
    ws_q.row_dimensions[r_idx].height = 72
    row_fill = subj_fill_map.get(subj, fill(WHITE))
    values = ["", subj, chap, question, answer, year, marks, importance, notes]
    for c_idx, val in enumerate(values, start=1):
        cell = ws_q.cell(row=r_idx, column=c_idx, value=val)
        cell.font = body_font()
        cell.fill = row_fill
        cell.border = thin_border()
        if c_idx in (4, 5, 9):   # Question, Answer, Notes — left/top wrap
            cell.alignment = wrap_left()
        elif c_idx == 8:          # Importance
            cell.alignment = wrap_center()
            if importance in importance_fill:
                cell.fill = importance_fill[importance]
                cell.font = body_font(bold=True)
        else:
            cell.alignment = wrap_center()

# ── Data Validation dropdowns ─────────────────
# Subject dropdown (col B = col 2)
dv_subj = DataValidation(
    type="list",
    formula1='"Anatomy,Physiology,Biochemistry"',
    allow_blank=True,
    showDropDown=False,
    showErrorMessage=True,
    errorTitle="Invalid Subject",
    error="Choose: Anatomy, Physiology, or Biochemistry"
)
ws_q.add_data_validation(dv_subj)
dv_subj.sqref = "B3:B500"

# Importance dropdown (col H = col 8)
dv_imp = DataValidation(
    type="list",
    formula1='"High,Medium,Low"',
    allow_blank=True,
    showDropDown=False,
    showErrorMessage=True,
    errorTitle="Invalid value",
    error="Choose: High, Medium, or Low"
)
ws_q.add_data_validation(dv_imp)
dv_imp.sqref = "H3:H500"

# Marks dropdown (col G = col 7)
dv_marks = DataValidation(
    type="list",
    formula1='"2,5,10"',
    allow_blank=True,
    showDropDown=False
)
ws_q.add_data_validation(dv_marks)
dv_marks.sqref = "G3:G500"

# Turn on AutoFilter
ws_q.auto_filter.ref = "B2:I2"


# ─────────────────────────────────────────────
# SHEET 3: SUMMARY
# ─────────────────────────────────────────────
ws_sum = wb.create_sheet("📊 Summary")
ws_sum.sheet_view.showGridLines = False
ws_sum.column_dimensions["A"].width = 3
ws_sum.column_dimensions["B"].width = 22
ws_sum.column_dimensions["C"].width = 18
ws_sum.column_dimensions["D"].width = 18
ws_sum.column_dimensions["E"].width = 18
ws_sum.column_dimensions["F"].width = 18

ws_sum.row_dimensions[1].height = 36
ws_sum.merge_cells("B1:F1")
ws_sum["B1"] = "📊  KUHS-Wise · Question Bank Summary"
ws_sum["B1"].font = Font(name="Arial", size=14, bold=True, color=WHITE)
ws_sum["B1"].fill = fill(DARK_BG)
ws_sum["B1"].alignment = Alignment(horizontal="center", vertical="center")

# Header
headers = ["Subject", "Total Qs", "High Priority", "Medium Priority", "Low Priority"]
ws_sum.row_dimensions[2].height = 28
for c, h in enumerate(headers, start=2):
    cell = ws_sum.cell(row=2, column=c, value=h)
    cell.font = header_font(size=10)
    cell.fill = fill(ACCENT)
    cell.alignment = wrap_center()
    cell.border = thin_border()

# Subject rows with COUNTIFS formulas
subjects = [
    ("Anatomy",      "FDEDEC", "E74C3C"),
    ("Physiology",   "EAFAF1", "2ECC71"),
    ("Biochemistry", "F5EEF8", "9B59B6"),
]
for r, (subj, bg, fg) in enumerate(subjects, start=3):
    ws_sum.row_dimensions[r].height = 30
    ws_sum.cell(row=r, column=2, value=subj).font = Font(name="Arial", size=10, bold=True, color=fg)
    ws_sum.cell(row=r, column=2).fill = fill(bg)
    ws_sum.cell(row=r, column=2).alignment = wrap_center()
    ws_sum.cell(row=r, column=2).border = thin_border()

    # Total
    total_cell = ws_sum.cell(row=r, column=3,
        value=f'=COUNTIF(\'📝 Questions\'!B:B,B{r})')
    total_cell.font = Font(name="Arial", size=11, bold=True, color=BLACK)
    total_cell.fill = fill(WHITE)
    total_cell.alignment = wrap_center()
    total_cell.border = thin_border()

    # High
    high_cell = ws_sum.cell(row=r, column=4,
        value=f'=COUNTIFS(\'📝 Questions\'!B:B,B{r},\'📝 Questions\'!H:H,"High")')
    high_cell.font = Font(name="Arial", size=10, color="E74C3C")
    high_cell.fill = fill("FDEDEC")
    high_cell.alignment = wrap_center()
    high_cell.border = thin_border()

    # Medium
    med_cell = ws_sum.cell(row=r, column=5,
        value=f'=COUNTIFS(\'📝 Questions\'!B:B,B{r},\'📝 Questions\'!H:H,"Medium")')
    med_cell.font = Font(name="Arial", size=10, color="E67E22")
    med_cell.fill = fill("FEF9E7")
    med_cell.alignment = wrap_center()
    med_cell.border = thin_border()

    # Low
    low_cell = ws_sum.cell(row=r, column=6,
        value=f'=COUNTIFS(\'📝 Questions\'!B:B,B{r},\'📝 Questions\'!H:H,"Low")')
    low_cell.font = Font(name="Arial", size=10, color="2980B9")
    low_cell.fill = fill("EBF5FB")
    low_cell.alignment = wrap_center()
    low_cell.border = thin_border()

# Total row
ws_sum.row_dimensions[6].height = 30
ws_sum.cell(row=6, column=2, value="TOTAL").font = Font(name="Arial", size=10, bold=True, color=WHITE)
ws_sum.cell(row=6, column=2).fill = fill(ACCENT)
ws_sum.cell(row=6, column=2).alignment = wrap_center()
ws_sum.cell(row=6, column=2).border = thin_border()
for c in range(3, 7):
    col_letter = get_column_letter(c)
    cell = ws_sum.cell(row=6, column=c, value=f'=SUM({col_letter}3:{col_letter}5)')
    cell.font = Font(name="Arial", size=11, bold=True, color=WHITE)
    cell.fill = fill(ACCENT)
    cell.alignment = wrap_center()
    cell.border = thin_border()

# Usage note
ws_sum.row_dimensions[8].height = 20
ws_sum.merge_cells("B8:F8")
ws_sum["B8"] = "ℹ️  This sheet auto-updates as you add questions in the '📝 Questions' tab."
ws_sum["B8"].font = Font(name="Arial", size=9, italic=True, color="7F8C8D")
ws_sum["B8"].alignment = Alignment(horizontal="left", vertical="center", indent=1)

# ─────────────────────────────────────────────
# SAVE
# ─────────────────────────────────────────────
out_path = "/home/daytona/workspace/kuhs-wise/KUHS_Wise_QuestionBank.xlsx"
wb.save(out_path)
print(f"Saved: {out_path}")

cd /home/daytona/workspace/kuhs-wise && python3 build_excel.py

python3 -c " import openpyxl, shutil wb = openpyxl.Workbook() ws = wb.active ws.…

# Try writing directly via Python open() to workspace python3 -c " import openpy…

~/kuhs-wise/build_excel.py

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/kuhs-wise/build_excel.py'

cd /home/daytona/workspace/kuhs-wise && python3 build_excel.py

ls /home/daytona/skills/xlsx/scripts/

python3 /home/daytona/skills/xlsx/scripts/recalc.py /home/daytona/workspace/kuhs…