:root{--primary:#246b35;--primary-2:#2f7d42;--primary-light:#eaf5ed;--bg:#f5f8f5;--surface:#fff;--text:#1e2a21;--muted:#68746b;--border:#dce5de;--danger:#c44747;--danger-light:#fff0f0;--success:#208a4e;--success-light:#eaf8ef;--warning:#d99a24;--warning-light:#fff7e7;--info:#2b67b1;--radius:16px;--shadow:0 8px 28px rgba(20,40,25,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(1120px,92%);margin:auto}.app-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);min-height:64px;display:flex;align-items:center;justify-content:space-between;padding:10px 4%}.brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--primary)}.brand small{display:block;color:var(--muted);font-weight:500;font-size:11px}.btn{border:0;border-radius:12px;padding:11px 16px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;transition:.15s;min-height:44px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:#1d572b}.btn.secondary{background:var(--primary-light);color:var(--primary)}.btn.ghost{background:#fff;border:1px solid var(--border);color:var(--text)}.btn.danger{background:var(--danger);color:#fff}.btn.full{width:100%}.btn.link{background:none;color:var(--primary);padding:6px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin:16px 0}.muted{color:var(--muted)}.tiny{font-size:12px}.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700;background:var(--primary-light);color:var(--primary)}.status-msg{min-height:20px;margin:10px 0;text-align:center;color:var(--danger);font-size:13px}.auth-body{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(160deg,#eef7f0,#f7faf7)}.auth-card{width:min(430px,100%);background:#fff;border:1px solid var(--border);border-radius:24px;padding:30px;box-shadow:0 16px 50px rgba(20,50,30,.1)}.brand-hero{text-align:center;margin-bottom:24px}.brand-hero .logo{font-size:46px}.brand-hero h1{margin:4px 0;color:var(--primary);font-size:25px}.brand-hero p{margin:0;color:var(--muted);font-size:14px}.field{margin:14px 0}.field label{display:block;font-size:12px;font-weight:800;color:var(--muted);margin-bottom:6px}input,select,textarea{width:100%;border:1px solid var(--border);background:#fff;border-radius:12px;padding:12px 13px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,107,53,.12)}.hero{padding:28px 0 10px}.hero h1{font-size:30px;margin:0 0 5px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px}.stat-card b{display:block;font-size:26px;color:var(--primary)}.stat-card span{font-size:12px;color:var(--muted)}.action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.action-card{padding:18px;border:1px solid var(--border);border-radius:15px;background:#fff}.action-card h3{margin:0 0 5px}.action-card p{margin:0 0 14px;color:var(--muted);font-size:13px}.subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.subject-card{padding:15px;background:#fff;border:1px solid var(--border);border-radius:14px}.progress-bar{height:8px;background:#e9eee9;border-radius:99px;overflow:hidden}.progress-bar i{display:block;height:100%;background:var(--primary);border-radius:99px}.setup-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px}.subject-bar{display:flex;gap:8px;overflow:auto;padding:8px 0 12px;scrollbar-width:none}.subject-bar button{white-space:nowrap;border:0;border-radius:999px;padding:9px 14px;background:#e9efe9;color:var(--primary);font-weight:800}.subject-bar button.active{background:var(--primary);color:#fff}.exam-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px}.question-text{font-size:19px;line-height:1.55;margin:18px 0}.option-btn{width:100%;display:flex;align-items:flex-start;gap:12px;text-align:left;background:#fff;border:1px solid var(--border);border-radius:13px;padding:14px;margin:9px 0;color:var(--text)}.option-btn .letter{width:32px;height:32px;display:grid;place-items:center;flex:none;border-radius:50%;background:#eef2ee;color:var(--primary);font-weight:800}.option-btn.selected{border:2px solid var(--primary);background:var(--primary-light)}.option-btn.selected .letter{background:var(--primary);color:#fff}.exam-actions{display:flex;gap:8px;margin-top:20px}.exam-actions .spacer{margin-left:auto}.palette-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;max-height:390px;overflow:auto;margin-top:12px}.num-btn{border:0;border-radius:9px;padding:10px 5px;background:#edf1ed;font-weight:800}.num-btn.answered{background:#83ba8f;color:#fff}.num-btn.flagged{background:#f3cb72;color:#47350c}.num-btn.current{outline:3px solid #4b83c8}.timer{font-variant-numeric:tabular-nums;font-size:20px;color:var(--primary)}.timer.warn{color:var(--danger)}dialog{border:0;border-radius:18px;padding:0;width:min(440px,92%);box-shadow:0 20px 70px rgba(0,0,0,.25)}dialog::backdrop{background:rgba(0,0,0,.45)}.modal-body{padding:22px}.result-hero{text-align:center;background:var(--primary-light)}.score{font-size:54px;line-height:1;color:var(--primary);font-weight:900}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.result-stat{text-align:center;padding:14px;border-radius:12px;background:#f7faf7;border:1px solid var(--border)}.result-stat b{display:block;font-size:23px}.review-item{border:1px solid var(--border);border-radius:15px;padding:17px;margin:12px 0}.review-item.correct{border-left:5px solid var(--success);background:#fcfffd}.review-item.wrong{border-left:5px solid var(--danger);background:#fffdfd}.review-item.unanswered{border-left:5px solid var(--warning);background:#fffefa}.answer-row{padding:10px 12px;border-radius:10px;margin-top:8px;font-size:14px}.answer-row.selected{background:#f1f3f1}.answer-row.correct-answer{background:var(--success-light);color:#17663a;font-weight:700}.answer-row.wrong-answer{background:var(--danger-light);color:#8f3030;font-weight:700}.explanation{margin-top:12px;padding:12px 14px;background:#f5f8f5;border-radius:12px;color:#465149;font-size:14px}.breakdown-row{margin:12px 0}.breakdown-head{display:flex;justify-content:space-between;font-size:13px;font-weight:700;margin-bottom:5px}.empty{padding:24px;text-align:center;color:var(--muted)}.toast{position:fixed;right:16px;bottom:16px;z-index:300;background:#1e2a21;color:#fff;padding:12px 15px;border-radius:12px;box-shadow:var(--shadow);display:none}.toast.show{display:block}.offline-badge{background:#fff7e7;color:#7a570d}.hidden{display:none!important}@media(max-width:850px){.stats-grid{grid-template-columns:repeat(2,1fr)}.subject-grid{grid-template-columns:repeat(2,1fr)}.exam-layout{grid-template-columns:1fr}.palette-grid{max-height:210px}.setup-grid{grid-template-columns:1fr}.app-header{padding:9px 3%}.question-text{font-size:18px}}@media(max-width:560px){.container{width:94%}.stats-grid,.result-grid,.action-grid{grid-template-columns:1fr}.subject-grid{grid-template-columns:1fr 1fr}.auth-card{padding:23px}.hero h1{font-size:25px}.exam-actions{flex-wrap:wrap}.exam-actions>*{flex:1}.exam-actions .spacer{display:none}.timer{font-size:17px}.brand span{display:none}}
/* Publication dashboard */
.header-actions{display:flex;align-items:center;gap:8px}.dashboard{padding-bottom:34px}.dashboard-welcome{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:32px 0 18px}.dashboard-welcome h1{font-size:31px;margin:5px 0}.eyebrow{font-size:11px;letter-spacing:.12em;font-weight:900;color:var(--primary)}.start-btn{min-width:170px}.quick-card{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,var(--primary-light),#fff);border:1px solid #cfe4d4;border-radius:18px;padding:20px;margin:4px 0 16px}.quick-icon{width:48px;height:48px;border-radius:14px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:23px;flex:none}.quick-copy{flex:1}.quick-copy h2{margin:0 0 3px;font-size:19px}.quick-copy p{margin:0;color:var(--muted);font-size:13px}.dashboard-stats .stat-card{position:relative;min-height:120px}.stat-icon{display:block;font-size:18px;margin-bottom:8px}.dashboard-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.section-card{margin:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.section-heading h2{margin:3px 0 0;font-size:20px}.text-link{color:var(--primary);font-weight:800;text-decoration:none;font-size:13px}.history-list{display:flex;flex-direction:column}.history-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--border)}.history-item:last-child{border-bottom:0}.history-title{font-weight:800}.history-score{min-width:62px;text-align:center;padding:8px 10px;border-radius:10px;font-weight:900}.history-score.good{background:var(--success-light);color:var(--success)}.history-score.mid{background:var(--warning-light);color:#7a570d}.history-score.low{background:var(--danger-light);color:var(--danger)}.dashboard-help{display:flex;align-items:center;justify-content:space-between;gap:15px;background:#fff;border:1px solid var(--border);border-radius:15px;padding:15px 18px;margin-top:16px}.dashboard-help p{margin:3px 0 0;color:var(--muted);font-size:12px}@media(max-width:850px){.dashboard-welcome{align-items:flex-start;flex-direction:column}.dashboard-columns{grid-template-columns:1fr}.start-btn{width:100%}}@media(max-width:560px){.header-actions .offline-badge{display:none}.quick-card{align-items:flex-start;flex-wrap:wrap}.quick-copy{min-width:calc(100% - 64px)}.quick-card .btn{width:100%}.dashboard-help{align-items:flex-start;flex-direction:column}}

.site-footer{width:100%;text-align:center;padding:20px 14px 24px;color:#6b7280;font-size:12px;box-sizing:border-box}.auth-body .site-footer{position:fixed;left:0;bottom:0}.auth-card{padding-bottom:70px}
.status-msg{color:var(--muted)}.status-msg.error{color:var(--danger)}.status-msg.success{color:var(--success)}.status-msg.info{color:var(--primary)}
.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .7s linear infinite;flex:none}@keyframes spin{to{transform:rotate(360deg)}}