/* Champion Scholars — Exam Portal CSS */
:root{
  --navy:#0D2137;--blue:#1A56DB;--gold:#E8A020;--white:#FFFFFF;
  --gray:#6B7280;--light:#F9FAFB;--border:#E5E7EB;
  --green:#16A34A;--red:#DC2626;--purple:#7C3AED;--orange:#EA580C;
  --radius:10px;--shadow:0 2px 12px rgba(0,0,0,.10);
  --answered:#16A34A;--not-answered:#DC2626;--marked:#7C3AED;
  --mrans:#7C3AED;--not-visited:#9CA3AF;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--light);color:#111827;line-height:1.5}
a{text-decoration:none;color:inherit}
img{max-width:100%}

/* ---- BUTTONS ---- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border-radius:8px;font-weight:600;font-size:.9rem;border:none;cursor:pointer;transition:.2s}
.btn-primary{background:var(--gold);color:var(--navy)}
.btn-primary:hover{background:#d4911c}
.btn-navy{background:var(--navy);color:var(--white)}
.btn-navy:hover{background:#1a3a5c}
.btn-outline{background:transparent;border:2px solid var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:var(--white)}
.btn-green{background:var(--green);color:var(--white)}
.btn-red{background:var(--red);color:var(--white)}
.btn-ghost{background:var(--border);color:#374151}
.btn-ghost:hover{background:#d1d5db}
.btn-sm{padding:7px 16px;font-size:.82rem}
.btn-full{width:100%;justify-content:center}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---- PORTAL LANDING ---- */
.portal-hero{background:linear-gradient(135deg,var(--navy) 0%,#1A3a5c 100%);color:var(--white);padding:60px 20px;text-align:center}
.portal-hero h1{font-size:2.2rem;font-weight:800;margin-bottom:12px}
.portal-hero h1 span{color:var(--gold)}
.portal-hero p{font-size:1.05rem;color:#CBD5E1;max-width:540px;margin:0 auto 32px}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.container-sm{max-width:520px;margin:0 auto;padding:0 20px}
.container-md{max-width:700px;margin:0 auto;padding:0 20px}

/* ---- CARDS ---- */
.card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.card-sm{padding:18px}

/* ---- FORM ---- */
.form-group{margin-bottom:18px}
label{display:block;font-size:.85rem;font-weight:600;color:#374151;margin-bottom:6px}
input,select,textarea{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:.95rem;transition:.2s}
input:focus,select:focus{outline:none;border-color:var(--blue)}
input.error{border-color:var(--red)}
.form-hint{font-size:.78rem;color:var(--gray);margin-top:4px}
.error-msg{color:var(--red);font-size:.82rem;margin-top:4px;display:none}
.error-msg.show{display:block}

/* ---- ALERT BOXES ---- */
.alert{padding:14px 18px;border-radius:8px;font-size:.9rem;margin-bottom:16px}
.alert-success{background:#d1fae5;color:#065f46;border:1px solid #6ee7b7}
.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}
.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #93c5fd}
.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fcd34d}

/* ---- BADGE ---- */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:700}
.badge-gold{background:#fef3c7;color:#92400e}
.badge-blue{background:#dbeafe;color:#1e40af}
.badge-green{background:#d1fae5;color:#065f46}
.badge-red{background:#fee2e2;color:#991b1b}
.badge-purple{background:#ede9fe;color:#5b21b6}

/* ---- PORTAL NAV ---- */
.portal-nav{background:var(--navy);padding:0 20px}
.portal-nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px}
.portal-logo{display:flex;align-items:center;gap:10px;color:var(--white);font-weight:700;font-size:1.05rem}
.portal-logo-icon{background:var(--gold);color:var(--navy);font-weight:900;font-size:.95rem;padding:5px 9px;border-radius:6px}
.portal-nav-links{display:flex;align-items:center;gap:24px}
.portal-nav-links a{color:#CBD5E1;font-size:.88rem;font-weight:500}
.portal-nav-links a:hover{color:var(--white)}
.portal-user{color:var(--gold);font-weight:600;font-size:.88rem}

/* ---- PRICING CARD ---- */
.pricing-card{background:var(--white);border-radius:16px;padding:36px;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,.12);border:2px solid var(--gold);max-width:420px;margin:0 auto}
.pricing-amount{font-size:3.5rem;font-weight:900;color:var(--navy);line-height:1}
.pricing-amount sup{font-size:1.4rem;vertical-align:top;margin-top:12px}
.pricing-features{list-style:none;text-align:left;margin:24px 0}
.pricing-features li{padding:8px 0;border-bottom:1px solid var(--border);font-size:.9rem;display:flex;align-items:center;gap:10px}
.pricing-features li:last-child{border:none}
.pricing-features .check{color:var(--green);font-weight:700}

/* ---- CREDENTIALS BOX ---- */
.creds-box{background:linear-gradient(135deg,var(--navy),#1a3a5c);color:var(--white);border-radius:12px;padding:28px;text-align:center}
.creds-id{font-size:2.2rem;font-weight:900;color:var(--gold);letter-spacing:.08em;font-family:monospace}
.creds-pwd{font-size:1.6rem;font-weight:700;color:#7dd3fc;letter-spacing:.05em;font-family:monospace;margin-top:6px}
.creds-label{font-size:.78rem;color:#94a3b8;text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px}

/* ---- LOGIN PAGE ---- */
.login-wrapper{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy) 0%,#1a3a5c 60%,var(--navy) 100%);padding:24px}
.login-card{background:var(--white);border-radius:16px;padding:40px;width:100%;max-width:420px;box-shadow:0 24px 64px rgba(0,0,0,.3)}
.login-logo{text-align:center;margin-bottom:28px}
.login-logo .cs-icon{background:var(--navy);color:var(--gold);font-size:1.4rem;font-weight:900;padding:10px 14px;border-radius:10px;display:inline-block;margin-bottom:10px}
.test-creds-toggle{font-size:.78rem;color:var(--blue);cursor:pointer;text-decoration:underline;margin-top:8px}
.test-creds-box{background:#f0f9ff;border:1px solid #bae6fd;border-radius:8px;padding:12px;margin-top:10px;font-size:.82rem;display:none}
.test-creds-box.open{display:block}
.test-creds-row{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px solid #e0f2fe}
.test-creds-row:last-child{border:none}

/* ---- DASHBOARD ---- */
.dashboard{padding:32px 20px;min-height:calc(100vh - 60px)}
.exam-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-top:28px}
.exam-card{background:var(--white);border-radius:14px;padding:28px;box-shadow:var(--shadow);border-top:5px solid transparent;cursor:pointer;transition:.25s}
.exam-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.14)}
.exam-card.neet{border-color:#16a34a}
.exam-card.jee_main{border-color:var(--blue)}
.exam-card.jee_advanced{border-color:var(--gold)}
.exam-card-icon{font-size:2.8rem;margin-bottom:14px}
.exam-card h2{font-size:1.2rem;color:var(--navy);margin-bottom:6px}
.exam-card p{color:var(--gray);font-size:.85rem;margin-bottom:18px}
.exam-meta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.em-item{background:var(--light);border-radius:6px;padding:6px 12px;font-size:.78rem;font-weight:600;color:var(--navy)}
.history-section{margin-top:40px}
.history-table{width:100%;border-collapse:collapse;font-size:.88rem}
.history-table th{background:var(--navy);color:var(--white);padding:10px 14px;text-align:left}
.history-table td{padding:10px 14px;border-bottom:1px solid var(--border)}
.history-table tr:hover td{background:#f9fafb}

/* ============================================================
   EXAM INTERFACE
   ============================================================ */
.exam-layout{display:grid;grid-template-columns:1fr 280px;gap:0;height:100vh;overflow:hidden}
.exam-main{display:flex;flex-direction:column;overflow:hidden}
.exam-sidebar{background:var(--white);border-left:2px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}

/* Exam header */
.exam-header{background:var(--navy);color:var(--white);padding:10px 20px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.exam-title{font-size:.95rem;font-weight:700}
.exam-timer{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);padding:6px 14px;border-radius:8px}
.exam-timer.warning{background:rgba(234,88,12,.3)}
.exam-timer.danger{background:rgba(220,38,38,.4);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.7}}
.timer-display{font-size:1.2rem;font-weight:800;font-family:monospace;letter-spacing:.05em;color:var(--gold)}
.exam-submit-btn{background:var(--red);color:var(--white);border:none;padding:8px 18px;border-radius:7px;font-weight:700;cursor:pointer;font-size:.88rem}
.exam-submit-btn:hover{background:#b91c1c}

/* Section tabs */
.section-tabs{display:flex;background:#f1f5f9;border-bottom:2px solid var(--border);flex-shrink:0}
.sec-tab{flex:1;padding:10px 8px;text-align:center;font-size:.8rem;font-weight:600;cursor:pointer;border-bottom:3px solid transparent;transition:.2s;color:var(--gray)}
.sec-tab.active{border-bottom-color:var(--blue);color:var(--blue);background:var(--white)}

/* Question area */
.question-area{flex:1;overflow-y:auto;padding:24px}
.q-meta{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.q-num{background:var(--navy);color:var(--white);font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:6px}
.q-type-badge{font-size:.72rem;padding:3px 9px;border-radius:20px;font-weight:600;background:#ede9fe;color:#5b21b6}
.q-marks{font-size:.75rem;color:var(--gray);margin-left:auto}
.q-text{font-size:1rem;font-weight:500;color:#111827;margin-bottom:22px;line-height:1.7}
.options-list{display:flex;flex-direction:column;gap:10px}
.option-item{display:flex;align-items:flex-start;gap:12px;padding:13px 16px;border:2px solid var(--border);border-radius:8px;cursor:pointer;transition:.2s;background:var(--white)}
.option-item:hover{border-color:var(--blue);background:#eff6ff}
.option-item.selected{border-color:var(--blue);background:#eff6ff}
.option-item.selected .opt-radio{background:var(--blue);border-color:var(--blue)}
.option-item.selected .opt-radio::after{content:'';width:8px;height:8px;border-radius:50%;background:var(--white);display:block}
.opt-radio{width:20px;height:20px;border-radius:50%;border:2px solid var(--border);flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-top:2px}
.opt-checkbox{width:20px;height:20px;border-radius:4px;border:2px solid var(--border);flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-top:2px}
.option-item.selected .opt-checkbox{background:var(--blue);border-color:var(--blue);color:white;font-size:.8rem}
.opt-label{font-weight:600;color:var(--blue);min-width:20px;font-size:.9rem}
.opt-text{font-size:.92rem;color:#374151;line-height:1.5}
.integer-input-wrap{margin-top:8px}
.integer-input{width:140px;font-size:1.4rem;font-weight:700;text-align:center;padding:12px;border:2px solid var(--border);border-radius:8px;font-family:monospace}

/* Question actions */
.q-actions{display:flex;gap:10px;padding:16px 24px;border-top:1px solid var(--border);background:var(--white);flex-shrink:0;flex-wrap:wrap}

/* Sidebar content */
.sidebar-header{padding:14px 16px;background:var(--navy);color:var(--white)}
.sidebar-header h4{font-size:.88rem;font-weight:700}
.legend{padding:12px 16px;border-bottom:1px solid var(--border)}
.legend-row{display:flex;align-items:center;gap:8px;font-size:.76rem;margin:4px 0;color:#374151}
.legend-dot{width:16px;height:16px;border-radius:4px;flex-shrink:0}
.dot-ans{background:var(--answered)}
.dot-na{background:var(--not-answered)}
.dot-mrk{background:var(--marked)}
.dot-mrans{background:var(--marked);position:relative;overflow:visible}
.dot-nv{background:var(--not-visited)}
.q-palette{padding:12px 16px}
.palette-section{margin-bottom:16px}
.palette-section h5{font-size:.75rem;font-weight:700;color:var(--navy);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}
.palette-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:5px}
.p-btn{width:34px;height:34px;border-radius:6px;font-size:.78rem;font-weight:700;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s}
.p-btn:hover{opacity:.8;transform:scale(1.08)}
.p-btn.current{outline:3px solid var(--gold);outline-offset:2px}
.p-nv{background:#e5e7eb;color:#6b7280}
.p-na{background:#fee2e2;color:#dc2626}
.p-ans{background:#d1fae5;color:#065f46}
.p-mrk{background:#ede9fe;color:#7c3aed}
.p-mrans{background:#7c3aed;color:#fff}
.sidebar-summary{padding:14px 16px;background:#f9fafb;border-top:1px solid var(--border);font-size:.8rem;color:var(--gray)}
.sum-row{display:flex;justify-content:space-between;padding:3px 0}
.sum-row strong{color:var(--navy)}

/* ============================================================
   RESULTS PAGE
   ============================================================ */
.results-hero{background:linear-gradient(135deg,var(--navy),#1a3a5c);color:var(--white);padding:40px 20px;text-align:center}
.score-circle{width:140px;height:140px;border-radius:50%;background:rgba(255,255,255,.1);border:4px solid var(--gold);display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto 20px}
.score-num{font-size:2.5rem;font-weight:900;color:var(--gold);line-height:1}
.score-max{font-size:.85rem;color:#94a3b8}
.score-pct{font-size:.95rem;color:#7dd3fc;margin-top:4px}
.results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:16px;margin-bottom:32px}
.stat-card{background:var(--white);border-radius:10px;padding:18px;text-align:center;box-shadow:var(--shadow)}
.stat-num{font-size:1.8rem;font-weight:800;color:var(--navy)}
.stat-label{font-size:.76rem;color:var(--gray);margin-top:4px}
.section-result{background:var(--white);border-radius:12px;padding:22px;box-shadow:var(--shadow);margin-bottom:16px}
.section-result h3{color:var(--navy);margin-bottom:14px;font-size:1rem}
.sec-stats{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.sec-stat{font-size:.82rem;font-weight:600}
.sec-stat.c{color:var(--green)}
.sec-stat.w{color:var(--red)}
.sec-stat.u{color:var(--gray)}
.progress-bar{height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden;margin-bottom:20px}
.progress-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--blue),var(--gold))}
.q-review-item{border:1px solid var(--border);border-radius:8px;padding:14px;margin-bottom:10px}
.q-review-item.correct{border-left:4px solid var(--green)}
.q-review-item.wrong{border-left:4px solid var(--red)}
.q-review-item.unattempted{border-left:4px solid #9ca3af}
.q-review-q{font-size:.88rem;font-weight:500;margin-bottom:8px}
.q-review-ans{font-size:.8rem;margin-top:6px}
.q-review-exp{font-size:.78rem;color:var(--gray);margin-top:6px;font-style:italic}
.verdict-tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:.72rem;font-weight:700;text-transform:uppercase}
.verdict-correct{background:#d1fae5;color:#065f46}
.verdict-wrong{background:#fee2e2;color:#991b1b}
.verdict-unattempted{background:#f3f4f6;color:#6b7280}
.verdict-partial{background:#fef3c7;color:#92400e}

/* Review toggle */
.review-toggle{display:flex;align-items:center;justify-content:space-between;cursor:pointer;user-select:none;padding:8px 0}
.review-arrow{transition:.2s;display:inline-block}
.review-content{display:none}
.review-content.open{display:block}

/* ============================================================
   MODALS
   ============================================================ */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-bg.hidden{display:none}
.modal{background:var(--white);border-radius:16px;padding:32px;max-width:480px;width:100%;box-shadow:0 24px 64px rgba(0,0,0,.3)}
.modal h2{font-size:1.2rem;color:var(--navy);margin-bottom:8px}
.modal-summary-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:.9rem}
.modal-actions{display:flex;gap:12px;margin-top:20px}

/* ---- RESPONSIVE ---- */
@media(max-width:768px){
  .exam-layout{grid-template-columns:1fr;height:auto}
  .exam-sidebar{border-left:none;border-top:2px solid var(--border);height:auto;max-height:360px}
  .portal-hero h1{font-size:1.6rem}
  .exam-meta{gap:8px}
  .q-actions{gap:8px}
}

/* ---- UTILS ---- */
.text-center{text-align:center}
.text-sm{font-size:.85rem}
.text-xs{font-size:.75rem}
.text-gray{color:var(--gray)}
.text-navy{color:var(--navy)}
.text-gold{color:var(--gold)}
.text-green{color:var(--green)}
.text-red{color:var(--red)}
.fw-700{font-weight:700}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.mt-32{margin-top:32px}
.mb-8{margin-bottom:8px}
.mb-16{margin-bottom:16px}
.mb-24{margin-bottom:24px}
.flex{display:flex}
.items-center{align-items:center}
.justify-between{justify-content:space-between}
.gap-8{gap:8px}
.gap-12{gap:12px}
.gap-16{gap:16px}
.hidden{display:none!important}
.section{padding:40px 0}
.divider{border:none;border-top:1px solid var(--border);margin:20px 0}