/* study-exam.css -- Final exam layout, exam intro, exam results, exam navigation, exam config */

        /* ===== FINAL EXAM ===== */
        .qs-wrap{display:flex;flex-direction:column;gap:0;max-width:720px;margin:0 auto;width:100%;padding:8px 0}
        .qs-progress-bar{height:8px;background:var(--study-border);border-radius:4px;overflow:hidden;margin-bottom:20px;box-shadow:inset 0 1px 3px rgba(0,0,0,0.15)}
        .qs-progress-fill{height:100%;background:linear-gradient(90deg,var(--study-accent),#f0a060);border-radius:4px;transition:width .4s ease}
        .qs-question{font-size:1.25rem;font-weight:700;color:var(--study-text);margin-bottom:24px;line-height:1.6;text-align:center;padding:0 12px}
        .qs-options{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
        .qs-option{padding:16px 20px;border-radius:14px;border:2px solid var(--study-border);background:var(--study-card);color:var(--study-text);font-size:.95rem;cursor:pointer;text-align:left;font-family:inherit;transition:all .15s;width:100%;box-shadow:3px 3px 0 var(--study-accent-dim,rgba(0,0,0,0.15))}
        .qs-option:hover:not(:disabled){border-color:var(--study-accent);background:color-mix(in srgb,var(--study-accent) 8%,transparent);transform:translate(-2px,-2px);box-shadow:5px 5px 0 rgba(232,133,58,0.2)}
        .qs-option.selected-exam-opt{border-color:var(--study-accent);background:color-mix(in srgb,var(--study-accent) 12%,transparent);border-left:5px solid var(--study-accent);box-shadow:3px 3px 0 rgba(232,133,58,0.25)}
        .qs-option.correct{border-color:#22c55e;background:color-mix(in srgb,#22c55e 12%,transparent);border-left:5px solid #22c55e;box-shadow:3px 3px 0 rgba(34,197,94,0.2)}
        .qs-option.wrong{border-color:#ef4444;background:color-mix(in srgb,#ef4444 12%,transparent);border-left:5px solid #ef4444;box-shadow:3px 3px 0 rgba(239,68,68,0.2)}
        /* Exam intro */
        .exam-intro{display:flex;flex-direction:column;align-items:center;gap:28px;padding:48px 32px;text-align:center;max-width:100%;margin:0 auto}
        .exam-intro-icon{width:64px;height:64px;border-radius:18px;background:color-mix(in srgb,var(--study-accent) 15%,transparent);border:2px solid color-mix(in srgb,var(--study-accent) 30%,transparent);display:flex;align-items:center;justify-content:center;box-shadow:3px 3px 0 var(--study-accent-dim,rgba(0,0,0,0.15))}
        .exam-intro-icon i{width:32px;height:32px;color:var(--study-accent)}
        .exam-intro-title{font-size:2.4rem;font-weight:900;color:var(--study-text);margin:0}
        .exam-intro-desc{font-size:1.05rem;color:var(--study-text-muted);line-height:1.7;margin:0;max-width:560px}
        .exam-intro-retake{font-size:.8rem;color:var(--study-text-muted);display:flex;flex-wrap:wrap;align-items:center;gap:5px;justify-content:center}
        .exam-intro-retake strong{color:var(--study-accent)}
        .exam-intro-retake-chip{padding:3px 12px;border-radius:10px;background:color-mix(in srgb,var(--study-accent) 10%,transparent);color:var(--study-accent);font-size:.72rem;font-weight:700;border:1.5px solid color-mix(in srgb,var(--study-accent) 25%,transparent);box-shadow:2px 2px 0 var(--study-accent-dim,rgba(0,0,0,0.1))}
        .exam-start-btn{padding:18px 48px;border-radius:14px;background:linear-gradient(180deg,color-mix(in srgb,var(--study-accent) 92%,#fff),var(--study-accent),color-mix(in srgb,var(--study-accent) 88%,#000));color:#fff;border:2px solid rgba(255,255,255,0.15);font-size:1.15rem;font-weight:800;cursor:pointer;font-family:inherit;transition:all .15s;width:100%;max-width:420px;box-shadow:4px 4px 0 rgba(0,0,0,0.25);text-transform:uppercase;letter-spacing:.03em}
        .exam-start-btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,0.3)}
        .exam-config{margin:20px 0;padding:28px 32px;border:2px solid var(--study-border);border-top:4px solid var(--study-accent);border-radius:16px;background:var(--study-card-bg);text-align:left;max-width:420px;margin-left:auto;margin-right:auto;box-shadow:4px 4px 0 var(--study-accent-dim,rgba(0,0,0,0.15))}
        .exam-config-title{font-size:16px;font-weight:800;color:var(--study-text);margin-bottom:20px;text-align:center;text-transform:uppercase;letter-spacing:.04em}
        .exam-config-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--study-border)}
        .exam-config-row:last-of-type{border-bottom:none}
        .exam-config-row label{font-size:15px;color:var(--study-text-secondary);font-weight:700}
        .exam-config-stepper{display:flex;align-items:center;gap:0}
        .exam-config-stepper button{width:38px;height:38px;border:1.5px solid var(--study-border);background:var(--study-bg-secondary);color:var(--study-text);font-size:18px;font-weight:700;cursor:pointer;font-family:inherit;transition:all .15s}
        .exam-config-stepper button:first-child{border-radius:10px 0 0 10px}
        .exam-config-stepper button:last-child{border-radius:0 10px 10px 0}
        .exam-config-stepper button:hover{background:var(--study-accent);color:#fff;border-color:var(--study-accent)}
        .exam-config-stepper span{min-width:48px;text-align:center;font-size:18px;font-weight:800;padding:0 4px;border-top:1.5px solid var(--study-border);border-bottom:1.5px solid var(--study-border);height:38px;line-height:38px}
        .exam-config-total{font-size:14px;color:var(--study-text-tertiary);text-align:center;margin-top:16px;font-weight:600}
        /* Exam dot nav */
        .exam-dot-nav{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;justify-content:center}
        .exam-dot{width:34px;height:34px;border-radius:10px;border:2px solid var(--study-border-light);background:var(--study-bg-secondary);color:var(--study-text-secondary);font-size:.78rem;font-weight:700;cursor:pointer;font-family:inherit;display:flex;align-items:center;justify-content:center;transition:all .15s;box-shadow:2px 2px 0 var(--study-accent-dim,rgba(0,0,0,0.1))}
        .exam-dot:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--study-accent-dim, rgba(232,133,58,0.15));border-color:var(--study-text-tertiary)}
        .exam-dot.answered{background:var(--study-accent);border-color:var(--study-accent);color:#fff;font-weight:800;box-shadow:2px 2px 0 rgba(232,133,58,0.3)}
        .exam-dot.current{background:var(--study-text);color:var(--study-bg);border-color:var(--study-text);box-shadow:2px 2px 0 rgba(232,133,58,0.2);font-weight:800}
        /* Exam type badge */
        .exam-type-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:10px;background:color-mix(in srgb,var(--study-accent) 12%,transparent);color:var(--study-accent);font-size:.75rem;font-weight:800;margin-bottom:14px;border:1.5px solid color-mix(in srgb,var(--study-accent) 25%,transparent);text-transform:uppercase;letter-spacing:.04em;box-shadow:2px 2px 0 var(--study-accent-dim,rgba(0,0,0,0.1))}
        /* Exam textarea */
        .exam-textarea{width:100%;padding:16px 18px;border-radius:14px;border:2px solid var(--study-border);background:var(--study-card);color:var(--study-text);font-size:.95rem;font-family:inherit;resize:vertical;outline:none;transition:all .2s;box-sizing:border-box;min-height:100px;margin-bottom:18px;box-shadow:3px 3px 0 var(--study-accent-dim,rgba(0,0,0,0.1))}
        .exam-textarea:focus{border-color:var(--study-accent);box-shadow:3px 3px 0 rgba(232,133,58,0.2)}
        .exam-textarea-long{min-height:200px}
        /* Exam navigation */
        .exam-nav{display:flex;align-items:center;gap:10px;margin-top:8px;flex-wrap:wrap}
        .exam-nav-btn{padding:12px 24px;border-radius:12px;border:2px solid var(--study-border);background:var(--study-card);color:var(--study-text);font-size:.88rem;font-weight:700;cursor:pointer;font-family:inherit;transition:all .15s;box-shadow:3px 3px 0 var(--study-accent-dim,rgba(0,0,0,0.15))}
        .exam-nav-btn:hover{border-color:var(--study-accent);color:var(--study-accent);transform:translate(-2px,-2px);box-shadow:5px 5px 0 rgba(232,133,58,0.2)}
        .exam-answered-count{font-size:.8rem;color:var(--study-text-muted);margin-left:auto;font-weight:600}
        .exam-submit-btn{padding:14px 32px;border-radius:12px;background:linear-gradient(180deg,color-mix(in srgb,var(--study-accent) 92%,#fff),var(--study-accent),color-mix(in srgb,var(--study-accent) 88%,#000));color:#fff;border:2px solid rgba(255,255,255,0.15);font-size:.95rem;font-weight:800;cursor:pointer;font-family:inherit;transition:all .15s;box-shadow:4px 4px 0 rgba(0,0,0,0.25);text-transform:uppercase;letter-spacing:.03em}
        .exam-submit-btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,0.3)}
        /* Exam results */
        .exam-results{display:flex;flex-direction:column;gap:20px;padding:8px 0}
        .exam-score-hero{text-align:center;padding:36px 24px;background:var(--study-card);border:2px solid var(--study-border);border-top:5px solid var(--study-accent);border-radius:18px;display:flex;flex-direction:column;align-items:center;gap:10px;box-shadow:4px 4px 0 var(--study-accent-dim,rgba(0,0,0,0.15))}
        .exam-score-pct{font-size:4rem;font-weight:900;color:var(--study-accent)}
        .exam-score-label{font-size:1.05rem;color:var(--study-text-muted);font-weight:600}
        .exam-score-icon{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:4px}
        .exam-score-icon.gold{background:rgba(234,179,8,0.15);border:2px solid rgba(234,179,8,0.3)}
        .exam-score-icon.gold i{color:#eab308}
        .exam-score-icon.green{background:rgba(34,197,94,0.15);border:2px solid rgba(34,197,94,0.3)}
        .exam-score-icon.green i{color:#22c55e}
        .exam-score-icon.blue{background:rgba(59,130,246,0.15);border:2px solid rgba(59,130,246,0.3)}
        .exam-score-icon.blue i{color:#3b82f6}
        .exam-score-icon.red{background:rgba(239,68,68,0.15);border:2px solid rgba(239,68,68,0.3)}
        .exam-score-icon.red i{color:#ef4444}
        .exam-score-emoji{display:none}
        .exam-areas{background:color-mix(in srgb,#ef4444 8%,transparent);border:2px solid color-mix(in srgb,#ef4444 25%,transparent);border-left:5px solid #ef4444;border-radius:14px;padding:18px 22px;box-shadow:3px 3px 0 rgba(239,68,68,0.12)}
        .exam-areas-title{font-size:.9rem;font-weight:800;color:#ef4444;margin:0 0 12px;display:flex;align-items:center;gap:6px;text-transform:uppercase;letter-spacing:.03em}
        .exam-areas ul{margin:0;padding:0 0 0 18px;color:var(--study-text);font-size:.88rem;line-height:1.8;font-weight:500}
        .exam-areas-btn{padding:10px 20px;border-radius:10px;background:#ef4444;color:#fff;border:none;font-size:.82rem;font-weight:700;cursor:pointer;font-family:inherit;display:flex;align-items:center;gap:6px;box-shadow:3px 3px 0 rgba(239,68,68,0.25);transition:all .15s}
        .exam-areas-btn:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 rgba(239,68,68,0.3)}
        .exam-breakdown{display:flex;flex-direction:column;gap:12px}
        .exam-breakdown-title{font-size:.9rem;font-weight:800;color:var(--study-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
        .exam-q-result{background:var(--study-card);border:2px solid var(--study-border);border-radius:14px;padding:16px 20px;display:flex;flex-direction:column;gap:6px;box-shadow:3px 3px 0 var(--study-accent-dim,rgba(0,0,0,0.1));transition:all .15s}
        .exam-q-result:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--study-accent-dim, rgba(232,133,58,0.15))}
        .exam-q-result.correct{border-color:color-mix(in srgb,#22c55e 40%,transparent);border-left:5px solid #22c55e}
        .exam-q-result.partial{border-color:color-mix(in srgb,#f59e0b 40%,transparent);border-left:5px solid #f59e0b}
        .exam-q-result.wrong{border-color:color-mix(in srgb,#ef4444 30%,transparent);border-left:5px solid #ef4444}
        .exam-q-num{font-size:.75rem;font-weight:800;color:var(--study-text-muted);text-transform:uppercase}
        .exam-q-text{font-size:.92rem;font-weight:600;color:var(--study-text);line-height:1.5}
        .exam-q-your{font-size:.82rem;color:var(--study-text-muted);font-style:italic}
        .exam-q-feedback{font-size:.84rem;line-height:1.6}
        .exam-q-result.correct .exam-q-feedback{color:#16a34a}
        .exam-q-result.partial .exam-q-feedback{color:#d97706}
        .exam-q-result.wrong .exam-q-feedback{color:#dc2626}
        .exam-results-btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;padding:12px 0 20px}
        .exam-results-btn{padding:14px 28px;border-radius:12px;border:2px solid var(--study-border);background:var(--study-card);color:var(--study-text);font-size:.9rem;font-weight:700;cursor:pointer;font-family:inherit;transition:all .15s;box-shadow:3px 3px 0 var(--study-accent-dim,rgba(0,0,0,0.15))}
        .exam-results-btn:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 rgba(232,133,58,0.2);border-color:var(--study-accent)}
        .exam-results-btn.primary{background:var(--study-accent);color:#fff;border-color:var(--study-accent);box-shadow:4px 4px 0 rgba(0,0,0,0.25)}
        .exam-results-btn.primary:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,0.3)}


/* --- Remedial notes button --- */
        /* ===== REMEDIAL NOTES BUTTON ===== */
        .exam-areas-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;background:var(--study-accent);color:#fff;border:none;font-size:.78rem;font-weight:700;cursor:pointer;font-family:inherit;transition:opacity .2s}
        .exam-areas-btn:hover{opacity:.88}
        .exam-areas-btn:disabled{opacity:.45;cursor:default}

/* --- Add Exam Modal, custom calendar, Khio Focus promo, light mode sidebar widget overrides --- */
        /* ── Add Exam Modal ── */
        .exam-modal-overlay {
            position: fixed; inset: 0; z-index: 10000; background: rgba(0,0,0,0.7);
            display: flex; align-items: center; justify-content: center; backdrop-filter: blur(4px);
        }
        .exam-modal {
            background: var(--study-bg-secondary); border: 2px solid var(--study-border);
            border-radius: 16px; padding: 28px; max-width: 420px; width: 90%;
            box-shadow: 6px 6px 0 rgba(0,0,0,.3);
        }
        .exam-modal h3 {
            font-size: 16px; font-weight: 800; text-transform: uppercase;
            letter-spacing: .03em; margin: 0 0 20px; color: var(--study-text);
        }
        .exam-modal-field {
            margin-bottom: 14px;
        }
        .exam-modal-field label {
            display: block; font-size: 11px; font-weight: 700; text-transform: uppercase;
            letter-spacing: .04em; color: var(--study-text-tertiary); margin-bottom: 6px;
        }
        .exam-modal-field input, .exam-modal-field select {
            width: 100%; padding: 10px 12px; border-radius: 8px;
            border: 2px solid var(--study-border); background: var(--study-bg-tertiary);
            color: var(--study-text); font-size: 14px; font-family: inherit;
        }
        .exam-modal-field input:focus, .exam-modal-field select:focus {
            outline: none; border-color: var(--study-accent);
        }
        .exam-modal-actions {
            display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px;
        }
        .exam-modal-cancel {
            padding: 8px 20px; border-radius: 8px; border: 2px solid var(--study-border);
            background: transparent; color: var(--study-text); font-size: 13px;
            font-weight: 700; cursor: pointer; font-family: inherit;
        }
        .exam-modal-save {
            padding: 8px 20px; border-radius: 8px; border: none;
            background: var(--study-accent); color: #000; font-size: 13px;
            font-weight: 800; cursor: pointer; font-family: inherit;
        }
        /* Custom calendar */
        .exam-cal { user-select: none; }
        .exam-cal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
        .exam-cal-header span { font-size: 14px; font-weight: 700; color: var(--study-text); }
        .exam-cal-nav { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--study-border); background: transparent; color: var(--study-text); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 14px; transition: all .15s; }
        .exam-cal-nav:hover { border-color: var(--study-accent); color: var(--study-accent); }
        .exam-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; text-align: center; }
        .exam-cal-dow { font-size: 10px; font-weight: 700; color: var(--study-text-tertiary); text-transform: uppercase; padding: 4px 0; }
        .exam-cal-day { font-size: 13px; padding: 7px 0; border-radius: 8px; cursor: pointer; color: var(--study-text); transition: all .12s; border: 2px solid transparent; }
        .exam-cal-day:hover { background: var(--study-hover); }
        .exam-cal-day.other { color: var(--study-text-tertiary); opacity: .4; }
        .exam-cal-day.past { color: var(--study-text-tertiary); opacity: .3; cursor: default; }
        .exam-cal-day.today { border-color: var(--study-accent); font-weight: 700; }
        .exam-cal-day.selected { background: var(--study-accent) !important; color: #000 !important; font-weight: 700; border-color: var(--study-accent); }
        .exam-cal-selected-display { margin-top: 8px; padding: 8px 12px; border-radius: 8px; background: var(--study-accent-dim); color: var(--study-accent); font-size: 13px; font-weight: 600; text-align: center; display: none; }

        /* ── Responsive: hide dashboard sidebar on small screens ── */
        @media (max-width: 1023px) {
        }
        /* ── Light mode overrides for sidebar widgets ── */
        [data-theme="light"] .sb-widget {
            background: var(--study-bg-tertiary);
            border-color: var(--study-border);
        }
        [data-theme="light"] .sb-widget::before { opacity: 0.3; }
        [data-theme="light"] .sb-exam-item { background: var(--study-bg-tertiary); border-color: var(--study-border); }
        [data-theme="light"] .sb-exam-item:hover { background: var(--study-accent-dim); }
        [data-theme="light"] .sb-streak-day { background: var(--study-bg-tertiary); border-color: var(--study-border); }
        [data-theme="light"] .sb-streak-day.active { background: linear-gradient(135deg, var(--study-accent), var(--study-accent-hover)); color: #fff; }
        [data-theme="light"] .sb-streak-day.today { background: var(--study-accent-dim); }
        [data-theme="light"] .sb-exam-add { border-color: var(--study-border); }
        [data-theme="light"] .audio-recap-player { background: #fff; box-shadow: 4px 4px 0 rgba(15,23,42,.08); }
        [data-theme="light"] .exam-modal { background: #fff; }

        /* ── Khio Focus Promo Banner ── */
        .kf-promo-bar {
            display: flex; align-items: center; gap: 12px;
            padding: 12px 16px; margin: 0;
            background: var(--study-accent-dim, rgba(232,133,58,0.08));
            border-bottom: 1px solid var(--study-accent-dim, rgba(232,133,58,0.15));
            font-size: 13px; color: var(--study-text-secondary);
            flex-shrink: 0;
        }
        .kf-promo-bar img { width: 36px; height: 36px; flex-shrink: 0; image-rendering: pixelated; image-rendering: crisp-edges; object-fit: contain; }
        .kf-promo-bar strong { color: var(--study-text); }
        .kf-promo-bar a {
            margin-left: auto; padding: 5px 16px; border-radius: 6px; font-size: 12px; font-weight: 700;
            background: rgba(232,133,58,0.9); color: #fff; text-decoration: none; white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .kf-promo-bar a:hover { opacity: 0.9; }
        .kf-promo-bar .kf-promo-x {
            background: none; border: none; color: var(--study-text-tertiary); cursor: pointer;
            font-size: 16px; padding: 0 4px; line-height: 1;
        }
        .kf-promo-bar .kf-promo-x:hover { color: var(--study-text); }
        [data-theme="light"] .kf-promo-bar { background: rgba(232,133,58,0.06); border-bottom-color: var(--study-accent-dim, rgba(232,133,58,0.12)); }