/**
 * Ilm LMS - Quiz Public Styles (Phase 2.3)
 */

/* ============================================================
 * Quiz intro (start screen)
 * ========================================================== */
.ilm-quiz-intro {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    max-width: 560px;
    margin: 20px auto;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.ilm-quiz-intro-icon {
    font-size: 56px;
    color: #2271b1;
    margin-bottom: 12px;
}

.ilm-quiz-intro h2 {
    margin: 0 0 8px;
    font-size: 22px;
}

.ilm-quiz-intro p.ilm-quiz-desc {
    color: #6b7280;
    margin: 0 0 20px;
    font-size: 14px;
}

.ilm-quiz-meta-grid {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin: 20px 0 24px;
}

.ilm-quiz-meta-item {
    background: #f3f4f6;
    border-radius: 8px;
    padding: 12px 20px;
    min-width: 100px;
}

.ilm-quiz-meta-item .ilm-val {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
}

.ilm-quiz-meta-item .ilm-lbl {
    display: block;
    font-size: 11px;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

/* ============================================================
 * Runner shell
 * ========================================================== */
.ilm-quiz-shell {
    max-width: 1100px;
    margin: 20px auto;
    background: #f9fafb;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.ilm-quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 4px 12px;
    border-bottom: 1px solid #e5e7eb;
}

.ilm-quiz-attempt-label {
    font-size: 13px;
    color: #6b7280;
    font-weight: 600;
}

.ilm-quiz-timer {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #1f2937;
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    font-family: 'Courier New', monospace;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
}

.ilm-quiz-timer.is-warning { background: #d97706; }
.ilm-quiz-timer.is-danger  { background: #dc2626; animation: ilm-pulse 1s infinite; }

@keyframes ilm-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.6; }
}

.ilm-quiz-timer .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

/* ============================================================
 * Progress
 * ========================================================== */
.ilm-quiz-progress {
    height: 4px;
    background: #e5e7eb;
    border-radius: 2px;
    margin: 12px 0 20px;
    overflow: hidden;
}

.ilm-quiz-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #2271b1, #46b450);
    transition: width 0.3s ease;
}

/* ============================================================
 * Body layout
 * ========================================================== */
.ilm-quiz-body {
    display: grid;
    grid-template-columns: 1fr 240px;
    gap: 20px;
}

@media (max-width: 860px) {
    .ilm-quiz-body { grid-template-columns: 1fr; }
    .ilm-quiz-palette { order: -1; }
}

.ilm-quiz-main {
    background: #fff;
    border-radius: 10px;
    padding: 28px;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

/* ============================================================
 * Question
 * ========================================================== */
.ilm-quiz-q-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f1;
}

.ilm-quiz-q-num {
    font-weight: 700;
    color: #2271b1;
    font-size: 14px;
}

.ilm-quiz-q-of {
    color: #9ca3af;
    font-weight: 400;
}

.ilm-quiz-q-points {
    font-size: 13px;
    color: #6b7280;
    background: #f3f4f6;
    padding: 4px 12px;
    border-radius: 20px;
}

.ilm-quiz-q-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 20px;
    line-height: 1.5;
}

.ilm-quiz-q-body {
    flex: 1;
}

/* ============================================================
 * Options
 * ========================================================== */
.ilm-q-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ilm-q-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
    background: #fff;
}

.ilm-q-option:hover {
    border-color: #b8daff;
    background: #f8faff;
}

.ilm-q-option.is-selected {
    border-color: #2271b1;
    background: #eef6ff;
}

.ilm-q-option input {
    margin-top: 2px;
    cursor: pointer;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.ilm-q-option-text {
    flex: 1;
    font-size: 15px;
    color: #1f2937;
    line-height: 1.5;
}

/* ============================================================
 * Textarea (fill, short, essay)
 * ========================================================== */
.ilm-q-text {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    line-height: 1.5;
    box-sizing: border-box;
    resize: vertical;
    transition: border-color 0.15s;
}

.ilm-q-text:focus {
    outline: none;
    border-color: #2271b1;
    box-shadow: 0 0 0 3px rgba(34,113,177,0.1);
}

/* ============================================================
 * Matching
 * ========================================================== */
.ilm-q-matching {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ilm-q-match-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f9fafb;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.ilm-q-match-left {
    font-weight: 600;
    color: #1f2937;
    font-size: 14px;
}

.ilm-q-match-arrow {
    color: #9ca3af;
    font-size: 18px;
}

.ilm-q-match {
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
}

.ilm-q-match:focus {
    outline: none;
    border-color: #2271b1;
    box-shadow: 0 0 0 2px rgba(34,113,177,0.1);
}

/* ============================================================
 * Ordering
 * ========================================================== */
.ilm-q-ordering {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ilm-q-order-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
}

.ilm-q-order-num {
    display: inline-flex;
    width: 26px;
    height: 26px;
    background: #2271b1;
    color: #fff;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.ilm-q-order-text {
    flex: 1;
    font-size: 15px;
    color: #1f2937;
}

.ilm-q-order-move {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ilm-q-order-move button {
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
    padding: 0 4px;
    font-size: 10px;
    line-height: 1;
}

.ilm-q-order-move button:hover {
    color: #2271b1;
}

/* ============================================================
 * Navigation
 * ========================================================== */
.ilm-quiz-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #f0f0f1;
}

.ilm-quiz-nav-center {
    flex: 1;
    text-align: center;
}

.ilm-btn-ghost {
    background: transparent !important;
    color: #6b7280 !important;
    border: 1px solid #e5e7eb !important;
}

.ilm-btn-ghost:hover,
.ilm-btn-ghost.is-active {
    background: #fef3c7 !important;
    color: #b45309 !important;
    border-color: #fcd34d !important;
}

/* ============================================================
 * Submit area
 * ========================================================== */
.ilm-quiz-submit-wrap {
    margin-top: 20px;
    text-align: right;
}

.ilm-quiz-submit-wrap .ilm-btn {
    padding: 12px 32px;
    font-size: 15px;
}

/* ============================================================
 * Palette
 * ========================================================== */
.ilm-quiz-palette {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    height: fit-content;
    position: sticky;
    top: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.ilm-quiz-palette-title {
    margin: 0 0 14px;
    font-size: 14px;
    font-weight: 700;
    color: #1f2937;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ilm-quiz-palette-legend {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
    font-size: 12px;
    color: #6b7280;
}

.ilm-quiz-palette-legend span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ilm-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.ilm-dot-answered   { background: #46b450; }
.ilm-dot-unanswered { background: #e5e7eb; border: 1px solid #d1d5db; }
.ilm-dot-flagged    { background: #f59e0b; }

.ilm-quiz-palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
}

.ilm-quiz-pal-btn {
    width: 100%;
    aspect-ratio: 1;
    border: 1px solid #e5e7eb;
    background: #fff;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.15s;
}

.ilm-quiz-pal-btn:hover {
    border-color: #2271b1;
    color: #2271b1;
}

.ilm-quiz-pal-btn.is-answered {
    background: #eaf7ea;
    border-color: #46b450;
    color: #2c7a2c;
}

.ilm-quiz-pal-btn.is-flagged {
    background: #fef3c7;
    border-color: #f59e0b;
    color: #b45309;
}

.ilm-quiz-pal-btn.is-current {
    background: #2271b1;
    border-color: #2271b1;
    color: #fff;
    box-shadow: 0 0 0 2px rgba(34,113,177,0.2);
}

/* ============================================================
 * Mobile
 * ========================================================== */
@media (max-width: 640px) {
    .ilm-quiz-shell { padding: 12px; border-radius: 8px; }
    .ilm-quiz-main { padding: 18px; }
    .ilm-quiz-palette-grid { grid-template-columns: repeat(8, 1fr); }
    .ilm-quiz-q-title { font-size: 16px; }
    .ilm-quiz-nav { flex-wrap: wrap; }
    .ilm-quiz-nav-center { order: -1; width: 100%; flex-basis: 100%; margin-bottom: 8px; }
    .ilm-quiz-submit-wrap { text-align: center; }
}

/* ============================================================
 * Phase 2.4 — Quiz Result Screen
 * ========================================================== */
.ilm-quiz-result {
    max-width: 900px;
    margin: 20px auto;
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 6px 24px rgba(0,0,0,0.08);
}

.ilm-result-hero {
    padding: 40px 30px;
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, #2271b1, #1e3a8a);
}

.ilm-quiz-result.is-passed .ilm-result-hero {
    background: linear-gradient(135deg, #16a34a, #065f46);
}

.ilm-quiz-result.is-failed .ilm-result-hero {
    background: linear-gradient(135deg, #dc2626, #991b1b);
}

.ilm-result-icon {
    font-size: 64px;
    line-height: 1;
    margin-bottom: 12px;
}

.ilm-result-icon .dashicons {
    font-size: 64px;
    width: 64px;
    height: 64px;
    color: #fff;
}

.ilm-result-headline {
    margin: 0 0 18px;
    font-size: 26px;
    font-weight: 700;
    color: #fff;
}

.ilm-result-score {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    background: rgba(255,255,255,0.15);
    padding: 12px 28px;
    border-radius: 40px;
    margin-bottom: 14px;
}

.ilm-score-value {
    font-size: 44px;
    font-weight: 800;
    line-height: 1;
}

.ilm-score-pct {
    font-size: 20px;
    font-weight: 600;
}

.ilm-result-meta {
    font-size: 15px;
    display: flex;
    justify-content: center;
    gap: 20px;
    align-items: center;
    margin-top: 10px;
    opacity: 0.95;
}

.ilm-grade-badge {
    background: rgba(255,255,255,0.25);
    padding: 4px 14px;
    border-radius: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}

.ilm-result-note {
    margin-top: 20px;
    font-size: 13px;
    background: rgba(255,255,255,0.15);
    padding: 10px 16px;
    border-radius: 8px;
    display: inline-block;
}

/* Summary grid */
.ilm-result-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid #e5e7eb;
}

@media (max-width: 640px) {
    .ilm-result-summary { grid-template-columns: repeat(2, 1fr); }
}

.ilm-summary-item {
    padding: 20px;
    text-align: center;
    border-right: 1px solid #f0f0f1;
}

.ilm-summary-item:last-child { border-right: none; }

.ilm-summary-value {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
}

.ilm-summary-label {
    display: block;
    font-size: 11px;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

/* Actions */
.ilm-result-actions {
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

/* Review */
.ilm-result-review {
    padding: 30px;
    background: #f9fafb;
    border-top: 1px solid #e5e7eb;
}

.ilm-review-title {
    margin: 0 0 20px;
    font-size: 18px;
}

.ilm-review-item {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-left: 4px solid #9ca3af;
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 14px;
}

.ilm-review-item.is-correct { border-left-color: #16a34a; }
.ilm-review-item.is-wrong   { border-left-color: #dc2626; }
.ilm-review-item.is-pending { border-left-color: #f59e0b; }

.ilm-review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.ilm-review-num {
    display: inline-flex;
    width: 28px;
    height: 28px;
    background: #2271b1;
    color: #fff;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.ilm-review-title-text {
    flex: 1;
    font-weight: 600;
    font-size: 14px;
}

.ilm-review-score {
    font-size: 13px;
    color: #6b7280;
    background: #f3f4f6;
    padding: 3px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.ilm-review-body { margin: 12px 0; }

.ilm-review-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ilm-review-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: #f9fafb;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
    font-size: 14px;
}

.ilm-review-option.is-chosen.is-correct {
    background: #ecfdf5;
    border-color: #16a34a;
}
.ilm-review-option.is-chosen.is-wrong {
    background: #fef2f2;
    border-color: #dc2626;
}
.ilm-review-option.is-correct:not(.is-chosen) {
    background: #f0fdf4;
    border-color: #86efac;
}

.ilm-marker {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #9ca3af;
    border-radius: 50%;
    flex-shrink: 0;
}

.ilm-review-option.is-chosen.is-correct .ilm-marker { background: #16a34a; border-color: #16a34a; }
.ilm-review-option.is-chosen.is-wrong .ilm-marker   { background: #dc2626; border-color: #dc2626; }
.ilm-review-option.is-correct:not(.is-chosen) .ilm-marker { border-color: #16a34a; }

.ilm-review-option-text { flex: 1; }

.ilm-review-tag {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    background: #e5e7eb;
    border-radius: 10px;
    color: #4b5563;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.ilm-review-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ilm-review-label {
    font-size: 12px;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-top: 4px;
}

.ilm-review-value {
    background: #f9fafb;
    padding: 10px 14px;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
    font-size: 14px;
    white-space: pre-wrap;
}

.ilm-review-matching {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ilm-review-match-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 8px 12px;
    background: #f9fafb;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
    font-size: 13px;
}

.ilm-review-match-row.is-correct { background: #ecfdf5; border-color: #16a34a; }
.ilm-match-arrow { color: #9ca3af; }
.ilm-match-expected { grid-column: 1 / -1; font-size: 11px; color: #b45309; margin-top: 4px; }

.ilm-review-explanation {
    background: #f0f9ff;
    border-left: 3px solid #2271b1;
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 13px;
    margin-top: 12px;
}

.ilm-review-feedback {
    background: #fffbeb;
    border-left: 3px solid #f59e0b;
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 13px;
    margin-top: 10px;
}

.ilm-review-order-list {
    margin: 4px 0 12px 20px;
    padding: 0;
}
.ilm-review-order-list li {
    padding: 4px 0;
    font-size: 14px;
}