/* iLMS Frontend Styles */

/* ── Reset / Base ─────────────────────────────────────────────────────────── */
.ilms-course-page,
.ilms-learn-wrap,
.ilms-my-courses-page,
.ilms-access-denied-page {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans TC', sans-serif;
    font-size: 15px;
    color: #1d2327;
    box-sizing: border-box;
}
*, *::before, *::after { box-sizing: inherit; }
a { color: inherit; text-decoration: none; }

/* ── Shared Buttons ──────────────────────────────────────────────────────── */
.ilms-btn-primary {
    display: inline-block;
    padding: 10px 24px;
    background: #2271b1;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s;
}
.ilms-btn-primary:hover { background: #135e96; color: #fff; }

.ilms-btn-secondary {
    display: inline-block;
    padding: 9px 20px;
    background: #fff;
    color: #555;
    border: 1px solid #dcdcde;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
}
.ilms-btn-secondary:hover { border-color: #2271b1; color: #2271b1; }

/* ── Progress Bar ─────────────────────────────────────────────────────────── */
.ilms-progress-bar {
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
}
.ilms-progress-fill {
    height: 100%;
    background: #2271b1;
    border-radius: 3px;
    transition: width .4s ease;
}
.ilms-progress-label { font-size: 12px; color: #555; margin-top: 4px; display: block; }

/* =============================================================
   COURSE GRID (shortcode)
   ============================================================= */
.ilms-grid-wrap { max-width: 1200px; margin: 0 auto; padding: 24px 20px; }

.ilms-grid-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.ilms-grid-title { font-size: 28px; font-weight: 700; margin: 0; flex: 0 0 auto; }

.ilms-search-form { flex: 1; min-width: 200px; max-width: 360px; margin: 0 auto; }
.ilms-search-bar { display: flex; }
.ilms-search-input {
    flex: 1;
    padding: 9px 14px;
    font-size: 14px;
    border: 1px solid #dcdcde;
    border-right: none;
    border-radius: 4px 0 0 4px;
    outline: none;
}
.ilms-search-input:focus { border-color: #2271b1; }
.ilms-search-btn {
    padding: 9px 14px;
    background: #e8343a;
    color: #fff;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
}
.ilms-search-btn:hover { background: #c62828; }

.ilms-sort-bar { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.ilms-sort-label { font-size: 13px; color: #555; white-space: nowrap; }
.ilms-sort-select {
    padding: 7px 10px;
    font-size: 13px;
    border: 1px solid #dcdcde;
    border-radius: 4px;
    background: #fff;
    cursor: pointer;
}
.ilms-view-toggle { display: flex; gap: 2px; }
.ilms-view-btn {
    padding: 7px 9px;
    background: #fff;
    border: 1px solid #dcdcde;
    border-radius: 4px;
    cursor: pointer;
    color: #888;
    display: flex;
    align-items: center;
}
.ilms-view-btn.active { background: #e8343a; border-color: #e8343a; color: #fff; }

.ilms-no-courses { color: #888; text-align: center; padding: 40px 0; }

/* Card Grid */
.ilms-card-grid { display: grid; gap: 24px; }
.ilms-cols-3 { grid-template-columns: repeat(3, 1fr); }
.ilms-cols-2 { grid-template-columns: repeat(2, 1fr); }
.ilms-cols-4 { grid-template-columns: repeat(4, 1fr); }
.ilms-cols-1 { grid-template-columns: 1fr; }

@media (max-width: 900px) {
    .ilms-cols-3, .ilms-cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .ilms-cols-2, .ilms-cols-3, .ilms-cols-4 { grid-template-columns: 1fr; }
}

/* Course Card */
.ilms-course-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
    overflow: hidden;
    transition: transform .15s, box-shadow .15s;
    display: flex;
    flex-direction: column;
}
.ilms-course-card:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,.12); }

.ilms-card-img-wrap {
    position: relative;
    display: block;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #f0f0f0;
}
.ilms-card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.ilms-course-card:hover .ilms-card-img-wrap img { transform: scale(1.03); }
.ilms-card-no-img { width: 100%; height: 100%; background: #e0e0e0; }

/* 紅色斜角緞帶（左上角） */
.ilms-hot-badge {
    position: absolute;
    top: 16px;
    left: -34px;
    transform: rotate(-45deg);
    background: #e8343a;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 4px 40px;
    box-shadow: 0 2px 6px rgba(0,0,0,.25);
    text-align: center;
    z-index: 2;
}

.ilms-card-img-overlay {
    position: absolute;
    bottom: 8px; right: 8px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
}
.ilms-overlay-date, .ilms-overlay-class, .ilms-overlay-schedule {
    background: rgba(0,0,0,.55);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 3px;
}

.ilms-card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.ilms-card-title { font-size: 18px; font-weight: 700; margin: 0 0 8px; line-height: 1.4; }
.ilms-card-title a { color: #1d2327; text-decoration: none; }
.ilms-card-title a:hover { color: #2271b1; text-decoration: none; }

.ilms-card-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.ilms-meta-level, .ilms-meta-lessons, .ilms-meta-hours {
    font-size: 12px;
    color: #e8343a;
    display: flex;
    align-items: center;
    gap: 3px;
}
.ilms-meta-lessons, .ilms-meta-hours { color: #555; }

.ilms-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #f0f0f1;
}
.ilms-card-price { display: flex; align-items: baseline; gap: 6px; }
.ilms-price-original { color: #aaa; font-size: 13px; }
.ilms-price-current { color: #1d2327; font-size: 18px; font-weight: 700; }
.ilms-price-free { color: #00a32a; font-weight: 700; font-size: 16px; }
.ilms-enrolled-badge { color: #2271b1; font-weight: 600; font-size: 13px; }

.ilms-btn-preview, .ilms-btn-continue {
    padding: 7px 16px;
    background: #e8343a;
    color: #fff;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background .15s;
}
.ilms-btn-preview:hover { background: #c62828; color: #fff; }
.ilms-btn-continue { background: #2271b1; }
.ilms-btn-continue:hover { background: #135e96; color: #fff; }

/* 了解更多（深紫藍色，與 logo 色系一致） */
.ilms-btn-more {
    padding: 7px 16px;
    background: #4f46e5;
    color: #fff;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background .15s;
}
.ilms-btn-more:hover { background: #4338ca; color: #fff; }

/* 「了解更多」按鈕：預設隱藏，游標移到卡片上才顯示（保留位置避免版面跳動） */
.ilms-card-footer .ilms-btn-more {
    opacity: 0;
    visibility: hidden;
    transition: opacity .15s ease, visibility .15s ease;
}
.ilms-course-card:hover .ilms-card-footer .ilms-btn-more {
    opacity: 1;
    visibility: visible;
}

/* =============================================================
   COURSE SINGLE PAGE
   ============================================================= */
body.ilms-course-page {
    margin: 0 !important;
    padding: 0 !important;
    background: #f6f7f7;
    max-width: none !important;
    overflow-x: hidden;
}
.ilms-course-page { background: #f6f7f7; min-height: 100vh; }

/* ── Hero: full-width banner, height = text only ── */
.ilms-course-hero {
    background: #12243a;
    background-size: cover;
    background-position: center top;
    position: relative;
    /* Clear the fixed site header (body padding is reset to 0 !important above,
       so the offset must live on the hero itself) */
    padding-top: 68px;
}
.admin-bar .ilms-course-hero { padding-top: 100px; }
.ilms-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(10, 22, 40, 0.92) 0%,
        rgba(10, 22, 40, 0.80) 60%,
        rgba(10, 22, 40, 0.55) 100%
    );
    z-index: 0;
}
/* Hero inner: max-width wrapper with right gap for the floating card */
.ilms-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 420px 32px 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 200px;
    color: #fff;
}
/* keep old selector working (lesson-single still uses ilms-hero-left) */
.ilms-hero-left {
    flex: 1;
    padding: 28px 48px 28px 80px;
    color: #fff;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.ilms-hero-hot-badge {
    display: inline-block;
    align-self: flex-start; /* 防止被 flex column 拉伸成滿版 */
    background: #e8343a;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 3px;
    margin-bottom: 12px;
}
.ilms-hero-title { font-size: 26px; font-weight: 700; margin: 0 0 8px; line-height: 1.3; color: #fff; }
.ilms-hero-excerpt { font-size: 14px; color: rgba(255,255,255,.8); margin: 0 0 14px; line-height: 1.5; }
.ilms-hero-meta { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.ilms-hero-instructor { display: flex; align-items: center; gap: 10px; }
.ilms-instructor-avatar { width: 40px; height: 40px; border-radius: 50%; border: 2px solid rgba(255,255,255,.3); }
.ilms-instructor-label { font-size: 11px; color: rgba(255,255,255,.6); }
.ilms-instructor-name { font-size: 14px; font-weight: 600; color: #fff; }

/* 簡介 tab 內的授課講師區塊 */
.ilms-instructor-section { margin-top: 32px; padding-top: 24px; border-top: 1px solid #e5e7eb; }
.ilms-instructor-section-title { font-size: 18px; font-weight: 700; color: #1d2d44; margin: 0 0 16px; }
.ilms-instructor-card { display: flex; gap: 18px; align-items: flex-start; }
.ilms-instructor-card-avatar {
    width: 90px; height: 90px; border-radius: 50%; object-fit: cover;
    border: 1px solid #e0e0e0; flex-shrink: 0; background: #f0f0f0;
}
.ilms-instructor-card-name { font-size: 16px; font-weight: 700; color: #1d2d44; margin-bottom: 8px; }
.ilms-instructor-card-bio { font-size: 14px; line-height: 1.7; color: #555; }
@media (max-width: 600px) {
    .ilms-instructor-card { flex-direction: column; align-items: center; text-align: center; }
}
.ilms-hero-category, .ilms-hero-students { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.7); }
.ilms-meta-label { font-size: 11px; color: rgba(255,255,255,.5); }
.ilms-meta-val { font-size: 14px; font-weight: 600; color: #fff; }

/* ── Course outer layout: tabs (left) + sidebar card (right) ── */
.ilms-course-outer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 48px 100px; /* left = matches .ilms-hero-inner padding-left */
    display: flex;
    align-items: flex-start;
    gap: 24px;
}

/* Main column: tabs — 30px gap below hero text */
.ilms-course-body {
    flex: 1;
    min-width: 0;
    margin-top: 30px;
    position: relative;
    z-index: 10;
}

/* Sidebar: purchase card floats up, 30px top gap inside hero */
.ilms-course-sidebar {
    width: 360px;
    flex: 0 0 360px;
    margin-top: -180px; /* -210 + 30 = 30px breathing room at top */
    position: sticky;
    top: 32px;
    z-index: 20;
}

/* Purchase Card */
.ilms-purchase-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,.22);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* keep old selector name for any remaining references */
.ilms-hero-right { display: none; }
.ilms-purchase-thumb { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 6px; }
.ilms-btn-enroll {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: #2271b1;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s;
    text-align: center;
}
.ilms-btn-enroll:hover { background: #135e96; color: #fff; }
.ilms-btn-enroll.disabled { background: #aaa; cursor: not-allowed; }
.ilms-btn-price { font-size: 18px; }
.ilms-btn-original { font-size: 13px; color: rgba(255,255,255,.6); }
.ilms-purchase-tagline { font-size: 12px; color: #888; text-align: center; margin: 0; }

.ilms-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 8px;
    background: none;
    border: 1px solid #dcdcde;
    border-radius: 5px;
    font-size: 13px;
    color: #555;
    cursor: pointer;
}
.ilms-share-btn:hover { border-color: #2271b1; color: #2271b1; }

.ilms-course-details { border-top: 1px solid #f0f0f1; padding-top: 12px; }
.ilms-course-details h4 { font-size: 13px; font-weight: 600; margin: 0 0 10px; }
.ilms-detail-row { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 13px; color: #555; }
.ilms-detail-row strong { margin-left: auto; color: #1d2327; font-weight: 600; }
.ilms-detail-row svg { color: #aaa; }

.ilms-course-info-box { border-top: 1px solid #f0f0f1; padding-top: 10px; font-size: 13px; color: #555; line-height: 1.7; }
.ilms-course-info-box p { margin: 0; }
.ilms-capacity-notice { font-size: 12px; color: #e8343a; text-align: center; margin: 0; font-weight: 600; }

/* Tabs wrap */
.ilms-course-tabs-wrap {
    background: #fff;
    border-radius: 12px 12px 8px 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,.10);
}
.ilms-course-tabs { display: flex; border-bottom: 2px solid #f0f0f1; padding: 0 24px; }
.ilms-course-tabs .ilms-tab-btn {
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 500;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    color: #555;
    transition: color .15s, border-color .15s;
}
.ilms-course-tabs .ilms-tab-btn:hover { color: #2271b1; }
.ilms-course-tabs .ilms-tab-btn.active { color: #2271b1; border-bottom-color: #2271b1; font-weight: 600; }

.ilms-tab-pane { display: none; padding: 28px 24px; }
.ilms-tab-pane.active { display: block; }
.ilms-course-description { line-height: 1.8; }
.ilms-empty-section { color: #888; font-style: italic; }

/* Course Outline */
.ilms-outline-section { border-bottom: 1px solid #f0f0f1; }
.ilms-outline-section:last-child { border-bottom: none; }
.ilms-outline-section-header { display: flex; align-items: center; gap: 8px; padding: 14px 0; font-weight: 600; font-size: 15px; }
.ilms-outline-sec-num { color: #555; flex: 0 0 auto; }
.ilms-outline-sec-title { flex: 1; }
.ilms-outline-toggle { background: none; border: none; cursor: pointer; font-size: 12px; color: #888; padding: 2px 6px; transition: transform .2s ease; display: inline-block; }
.ilms-outline-section.collapsed .ilms-outline-toggle { transform: rotate(180deg); }
.ilms-outline-section.collapsed .ilms-outline-lessons { display: none; }

.ilms-outline-lessons { list-style: none; margin: 0; padding: 0 0 12px 16px; }
.ilms-outline-lesson { border-radius: 4px; margin-bottom: 2px; }
.ilms-outline-lesson-inner { display: flex; align-items: center; gap: 8px; padding: 8px 12px; font-size: 14px; border-radius: 4px; transition: background .1s; color: #1d2327; }
a.ilms-outline-lesson-inner:hover { background: #f0f6fc; color: #2271b1; }
.ilms-outline-lesson.is-locked .ilms-outline-lesson-inner { color: #888; }

.ilms-outline-num { font-size: 12px; color: #aaa; min-width: 20px; }
.ilms-outline-icon { font-size: 14px; }
.ilms-outline-title { flex: 1; }
.ilms-free-preview-badge { font-size: 10px; background: #00a32a; color: #fff; padding: 1px 5px; border-radius: 3px; }
.ilms-outline-right { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.ilms-lock-icon { color: #aaa; }
.ilms-outline-dur { font-size: 12px; color: #888; }

/* =============================================================
   LESSON LEARNING PAGE (standalone full-screen)
   ============================================================= */
html, body.ilms-learn-wrap { height: 100%; overflow: hidden; }
.ilms-learn-wrap { display: flex; flex-direction: column; height: 100vh; background: #f6f7f7; }

/* Top Bar */
.ilms-learn-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    padding: 0 16px;
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    flex: 0 0 56px;
    z-index: 100;
}
.ilms-learn-topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.ilms-learn-topbar-right { display: flex; align-items: center; gap: 8px; }

.ilms-learn-back { display: flex; align-items: center; color: #555; padding: 6px; border-radius: 4px; }
.ilms-learn-back:hover { background: #f0f0f0; }
.ilms-learn-logo { display: flex; align-items: center; }
.ilms-logo-img { height: 28px; width: 28px; object-fit: contain; border-radius: 4px; }
.ilms-logo-wide { width: auto; max-height: 28px; max-width: 120px; }

.ilms-sidebar-toggle-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: none;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-size: 13px;
    color: #555;
    cursor: pointer;
}
.ilms-sidebar-toggle-btn:hover { border-color: #2271b1; color: #2271b1; }

.ilms-learn-breadcrumb {
    font-size: 13px;
    color: #888;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 300px;
}

.ilms-discussion-toggle-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    background: none;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-size: 13px;
    color: #555;
    cursor: pointer;
}
.ilms-discussion-toggle-btn:hover,
.ilms-discussion-toggle-btn.active { border-color: #2271b1; color: #2271b1; background: #f0f6fc; }

.ilms-learn-close { display: flex; align-items: center; padding: 6px; color: #555; border-radius: 4px; }
.ilms-learn-close:hover { background: #f0f0f0; color: #e8343a; }

/* Theme toggle button */
.ilms-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: 1px solid #dcdcde;
    border-radius: 6px;
    cursor: pointer;
    color: #555;
    transition: border-color .15s, color .15s;
}
.ilms-theme-toggle:hover { border-color: #2271b1; color: #2271b1; }
/* light mode: show moon, hide sun */
.ilms-theme-toggle .ilms-icon-sun  { display: none; }
.ilms-theme-toggle .ilms-icon-moon { display: block; }

/* =============================================================
   DARK MODE (learning page)
   ============================================================= */
.dark-mode .ilms-theme-toggle .ilms-icon-sun  { display: block; }
.dark-mode .ilms-theme-toggle .ilms-icon-moon { display: none; }
.dark-mode .ilms-theme-toggle { border-color: #3a3b50; color: #a0a8c0; }
.dark-mode .ilms-theme-toggle:hover { border-color: #7eb8f7; color: #7eb8f7; }

body.ilms-learn-wrap.dark-mode {
    background: #1a1b2e;
    color: #d8dae8;
}
.dark-mode .ilms-learn-topbar {
    background: #12131f;
    border-bottom-color: #2a2b3d;
}
.dark-mode .ilms-learn-back,
.dark-mode .ilms-sidebar-toggle-btn,
.dark-mode .ilms-discussion-toggle-btn,
.dark-mode .ilms-learn-close,
.dark-mode .ilms-learn-breadcrumb { color: #a0a8c0; }
.dark-mode .ilms-learn-back:hover,
.dark-mode .ilms-learn-close:hover { background: #2a2b3d; color: #d8dae8; }
.dark-mode .ilms-sidebar-toggle-btn:hover,
.dark-mode .ilms-discussion-toggle-btn:hover { background: #2a2b3d; border-color: #3a3b50; color: #d8dae8; }
.dark-mode .ilms-discussion-toggle-btn { border-color: #3a3b50; }

.dark-mode .ilms-learn-sidebar {
    background: #12131f;
    border-right-color: #2a2b3d;
}
.dark-mode .ilms-sidebar-course-name { color: #d8dae8; border-bottom-color: #2a2b3d; }
.dark-mode .ilms-progress-wrap { border-bottom-color: #2a2b3d; }
.dark-mode .ilms-progress-bar { background: #2a2b3d; }
.dark-mode .ilms-progress-label { color: #7080a0; }

.dark-mode .ilms-sb-section { border-bottom-color: #2a2b3d; }
.dark-mode .ilms-sb-section-header { background: #1e1f30; color: #b0b8d0; }
.dark-mode .ilms-sb-lesson { border-bottom-color: #1e1f30; }
.dark-mode .ilms-sb-lesson-inner { color: #b0b8d0; }
.dark-mode .ilms-sb-lesson-inner:hover { background: #1e2a45; color: #d8dae8; }
.dark-mode .ilms-sb-lesson.current .ilms-sb-lesson-inner { background: #1e2a45; color: #7eb8f7; font-weight: 600; }
.dark-mode .ilms-sb-lesson-dur { color: #506080; }
.dark-mode .ilms-sb-sec-count { color: #7eb8f7; }

.dark-mode .ilms-learn-main { background: #1a1b2e; }
.dark-mode .ilms-lesson-type-label { color: #607090; }
.dark-mode .ilms-lesson-title { color: #e8eaf6; }
.dark-mode .ilms-lesson-content { color: #c8cce0; }
.dark-mode .ilms-lesson-content p,
.dark-mode .ilms-lesson-content li,
.dark-mode .ilms-lesson-content h1,
.dark-mode .ilms-lesson-content h2,
.dark-mode .ilms-lesson-content h3 { color: #c8cce0; }
.dark-mode .ilms-lesson-content a { color: #7eb8f7; }

.dark-mode .ilms-learn-footer {
    background: #12131f;
    border-top-color: #2a2b3d;
}
.dark-mode .ilms-footer-prev a,
.dark-mode .ilms-footer-next a { border-color: #3a3b50; color: #a0a8c0; }
.dark-mode .ilms-footer-prev a:hover,
.dark-mode .ilms-footer-next a:hover { background: #2a2b3d; color: #d8dae8; }

.dark-mode .ilms-zoom-card {
    background: #1e1f30;
    border-color: #2a2b3d;
}
.dark-mode .ilms-zoom-title,
.dark-mode .ilms-zoom-info { color: #b0b8d0; }

/* Body Layout */
.ilms-learn-body { display: flex; flex: 1; overflow: hidden; }

/* Sidebar */
.ilms-learn-sidebar {
    width: 280px;
    flex: 0 0 280px;
    background: #fff;
    border-right: 1px solid #e0e0e0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transition: margin-left .2s;
}
.ilms-learn-sidebar.hidden { margin-left: -280px; }

.ilms-sidebar-course-name { padding: 16px 16px 8px; font-size: 14px; font-weight: 700; border-bottom: 1px solid #f0f0f1; }
.ilms-progress-wrap { padding: 12px 16px; border-bottom: 1px solid #f0f0f1; }
.ilms-sidebar-curriculum { flex: 1; overflow-y: auto; }

.ilms-sb-section { border-bottom: 1px solid #f0f0f1; }
.ilms-sb-section-header { display: flex; align-items: center; gap: 6px; padding: 12px 16px; font-size: 15px; font-weight: 600; cursor: pointer; background: #f6f7f7; user-select: none; }
.ilms-sb-sec-title { flex: 1; line-height: 1.4; }
.ilms-sb-sec-count { font-size: 11px; color: #2271b1; font-weight: 600; white-space: nowrap; }
.ilms-sb-toggle { background: none; border: none; font-size: 10px; color: #888; cursor: pointer; padding: 0; transition: transform .2s ease; display: inline-block; }
.ilms-sb-section.collapsed .ilms-sb-toggle { transform: rotate(180deg); }
.ilms-sb-section.collapsed .ilms-sb-lessons { display: none; }

.ilms-sb-lessons { list-style: none; margin: 0; padding: 0; }
.ilms-sb-lesson { border-bottom: 1px solid #f8f8f8; }
.ilms-sb-lesson-inner { display: flex; align-items: center; gap: 8px; padding: 10px 16px 10px 20px; font-size: 14px; color: #1d2327; transition: background .1s; }
.ilms-sb-lesson-inner:hover { background: #f0f6fc; }
.ilms-sb-lesson.current .ilms-sb-lesson-inner { background: #e8f0fe; font-weight: 600; }
.ilms-sb-lesson-icon { font-size: 13px; flex: 0 0 auto; }
.ilms-sb-lesson-title { flex: 1; line-height: 1.4; }
.ilms-sb-lesson-dur { font-size: 11px; color: #aaa; white-space: nowrap; }
.ilms-sb-lesson-check { width: 18px; height: 18px; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }

/* Main content */
.ilms-learn-main { flex: 1; overflow-y: auto; padding: 32px 48px; min-width: 0; }
.ilms-lesson-type-label { font-size: 12px; color: #888; margin-bottom: 8px; }
.ilms-lesson-title { font-size: 22px; font-weight: 700; margin: 0 0 24px; line-height: 1.4; }

.ilms-lesson-locked { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 300px; text-align: center; gap: 12px; color: #555; }
.ilms-locked-icon { font-size: 48px; }
.ilms-lesson-locked h2 { font-size: 20px; margin: 0; }

/* Zoom card */
.ilms-zoom-card { display: flex; align-items: flex-start; gap: 16px; padding: 20px 24px; border: 1px solid #e0e0e0; border-radius: 8px; background: #fafafa; max-width: 560px; }
.ilms-zoom-card.ilms-zoom-soon { background: #fff8f0; border-color: #f0c060; }
.ilms-zoom-icon { flex: 0 0 auto; }
.ilms-zoom-info { flex: 1; }
.ilms-zoom-label { margin: 0 0 6px; font-size: 14px; color: #1d2327; }
.ilms-zoom-label a { color: #2271b1; word-break: break-all; }
.ilms-zoom-time { font-size: 18px; font-weight: 700; color: #1d2327; margin: 0 0 4px; }
.ilms-zoom-hint { font-size: 13px; color: #888; margin: 0; }

/* Video */
.ilms-video-wrap { max-width: 720px; }
.ilms-video-player { width: 100%; border-radius: 8px; background: #000; }

/* Text */
.ilms-lesson-text-content { max-width: 720px; line-height: 1.8; }
.ilms-empty-lesson { color: #888; font-style: italic; }

/* Discussion panel */
.ilms-learn-discussion { width: 300px; flex: 0 0 300px; background: #fff; border-left: 1px solid #e0e0e0; display: flex; flex-direction: column; transition: margin-right .2s; }
.ilms-learn-discussion.hidden { margin-right: -300px; }
.ilms-discussion-header { padding: 16px; border-bottom: 1px solid #f0f0f1; display: flex; align-items: center; justify-content: space-between; }
.ilms-discussion-header h3 { margin: 0; font-size: 15px; }
.ilms-btn-discussion-add { padding: 6px 12px; background: #2271b1; color: #fff; border: none; border-radius: 4px; font-size: 12px; cursor: pointer; }
.ilms-discussion-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 24px; text-align: center; color: #888; font-size: 13px; }
.ilms-discussion-empty p { margin: 0; }

/* Bottom Nav */
.ilms-learn-footer { display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 60px; background: #fff; border-top: 1px solid #e0e0e0; flex: 0 0 60px; }
.ilms-footer-prev, .ilms-footer-next { min-width: 120px; }
.ilms-footer-next { text-align: right; }
.ilms-footer-center { display: flex; justify-content: center; }

.ilms-btn-nav { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border: 1px solid #e0e0e0; border-radius: 5px; font-size: 14px; color: #555; background: #fff; transition: border-color .1s, color .1s; }
.ilms-btn-nav:hover { border-color: #2271b1; color: #2271b1; }

.ilms-btn-complete { display: inline-flex; align-items: center; gap: 6px; padding: 10px 24px; background: #2271b1; color: #fff; border: none; border-radius: 5px; font-size: 14px; font-weight: 600; cursor: pointer; transition: background .15s; }
.ilms-btn-complete:hover { background: #135e96; }
.ilms-btn-complete.completed { background: #00a32a; }
.ilms-btn-complete.completed:hover { background: #007a1f; }

/* =============================================================
   MY COURSES PAGE
   ============================================================= */
.ilms-my-courses-page { background: #f6f7f7; min-height: 100vh; }
.ilms-page-wrap { max-width: 1100px; margin: 0 auto; padding: 24px 20px; }
.ilms-page-header { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; padding-bottom: 16px; border-bottom: 1px solid #e0e0e0; flex-wrap: wrap; }
.ilms-site-link { font-weight: 700; font-size: 16px; color: #1d2327; }
.ilms-page-title { font-size: 22px; font-weight: 700; margin: 0; flex: 1; }
.ilms-user-info { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.ilms-user-info img { border-radius: 50%; }
.ilms-user-info span { font-size: 14px; }
.ilms-logout-link { font-size: 13px; color: #888; }
.ilms-logout-link:hover { color: #e8343a; }

.ilms-enrolled-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .ilms-enrolled-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .ilms-enrolled-grid { grid-template-columns: 1fr; } }

.ilms-enrolled-card { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,.06); display: flex; flex-direction: column; }
.ilms-enrolled-card.is-expired { opacity: .75; }
.ilms-enrolled-img { position: relative; display: block; aspect-ratio: 16/9; overflow: hidden; background: #e0e0e0; }
.ilms-enrolled-img img { width: 100%; height: 100%; object-fit: cover; }
.ilms-expired-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.5); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 600; }
.ilms-enrolled-body { padding: 16px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.ilms-enrolled-title { margin: 0; font-size: 15px; font-weight: 700; line-height: 1.4; }
.ilms-enrolled-title a:hover { color: #2271b1; }
.ilms-enrolled-meta { font-size: 12px; color: #e8343a; margin: 0; }
.ilms-enrolled-expires { font-size: 12px; color: #888; margin: 0; }
.ilms-expired-text { color: #e8343a; }

/* Access Denied */
.ilms-access-denied-page { background: #f6f7f7; min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.ilms-access-denied { text-align: center; background: #fff; padding: 48px; border-radius: 12px; box-shadow: 0 4px 24px rgba(0,0,0,.08); max-width: 420px; width: 100%; }
.ilms-access-icon { font-size: 56px; margin-bottom: 16px; }
.ilms-access-denied h2 { margin: 0 0 12px; font-size: 22px; }
.ilms-access-denied p { color: #555; margin-bottom: 20px; }

/* Empty State */
.ilms-empty-state { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 60px 24px; text-align: center; color: #888; }
.ilms-empty-state h2 { margin: 0; color: #555; }
.ilms-empty-state p { margin: 0; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .ilms-learn-sidebar { position: fixed; top: 56px; left: 0; bottom: 60px; z-index: 50; box-shadow: 4px 0 16px rgba(0,0,0,.15); }
    .ilms-learn-main { padding: 20px; }
    .ilms-learn-breadcrumb { display: none; }
    .ilms-learn-discussion { display: none !important; }
    .ilms-hero-inner { padding: 24px 380px 24px 40px; min-height: 160px; }
    .ilms-hero-left { padding: 20px 24px 20px 40px; }
    .ilms-hero-title { font-size: 20px; }
    .ilms-course-outer { padding: 0 12px 32px 40px; }
    .ilms-course-sidebar { width: 300px; flex: 0 0 300px; margin-top: -185px; }
}
@media (max-width: 640px) {
    .ilms-hero-inner { padding: 20px 16px; min-height: 0; }
    .ilms-hero-left { padding: 20px 16px; }
    .ilms-course-outer { flex-direction: column; padding: 0 16px 32px; }
    .ilms-course-sidebar { width: 100%; flex: none; margin-top: 16px; position: static; }
    .ilms-purchase-card { box-shadow: 0 4px 16px rgba(0,0,0,.12); }
}

/* =============================================================
   Cart buttons (Stage 5.1) — grid card + single page
   ============================================================= */

/* Grid card: add-to-cart button (replaces 預覽 for paid courses) */
.ilms-btn-cart-icon {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #d63a4a;
    color: #fff;
    border: none;
    border-radius: 7px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s;
    font-family: inherit;
    white-space: nowrap;
}
.ilms-btn-cart-icon:hover { background: #b8303e; }
.ilms-btn-cart-icon.is-in-cart {
    background: #e8eaed;
    color: #16a34a;
    cursor: default;
}

/* Single course sidebar: buy now + add cart */
.ilms-purchase-plan-name {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 4px;
}
.ilms-purchase-price-display {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 6px;
}
.ilms-purchase-price-display .ilms-btn-price {
    font-size: 26px;
    font-weight: 800;
    color: #6d28d9;
}
.ilms-purchase-price-display .ilms-btn-original {
    font-size: 16px;
    color: #b0b8c4;
    text-decoration: line-through;
}
.ilms-purchase-sale-until {
    font-size: 12px;
    color: #d97706;
    margin: 0 0 14px;
    font-weight: 600;
}

.ilms-btn-buy-now {
    display: block;
    width: 100%;
    background: #4f46e5;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 14px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s;
    font-family: inherit;
    margin-bottom: 10px;
}
.ilms-btn-buy-now:hover { background: #4338ca; }

/* 已加入購物車狀態（課程頁） */
.ilms-purchase-incart { display: flex; flex-direction: column; gap: 10px; }
.ilms-incart-note {
    margin: 0;
    padding: 10px 12px;
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: 8px;
    color: #166534;
    font-size: 13px;
    line-height: 1.6;
}
.ilms-btn-checkout-now { text-align: center; text-decoration: none; }

.ilms-btn-add-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: #fff;
    color: #d63a4a;
    border: 1.5px solid #d63a4a;
    border-radius: 8px;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
    font-family: inherit;
    margin-bottom: 12px;
}
.ilms-btn-add-cart:hover { background: #fdf5f6; }
.ilms-btn-add-cart.is-in-cart {
    background: #f0fdf4;
    color: #16a34a;
    border-color: #86efac;
    cursor: default;
}

/* =============================================================
   Course Archive page (/courses/)
   ============================================================= */
body.ilms-archive-page {
    margin: 0;
    padding-top: 68px;          /* clear fixed site header */
    background: #f8f9fb;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans TC', sans-serif;
}
.admin-bar.ilms-archive-page { padding-top: 100px; }
.ilms-archive-wrap { padding: 24px 0 72px; }
/* 課程格狀置中並內縮，與上方 header 對齊（!important 確保覆蓋基礎 .ilms-grid-wrap） */
.ilms-archive-page .ilms-grid-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 56px !important;
    padding-right: 56px !important;
}

/* =============================================================
   STAGE 7.1 — 學習中心 (Learning Center)
   ============================================================= */
.ilms-lc-wrap { max-width: 1200px; margin: 0 auto; padding: 32px 20px 60px 50px; }
@media (max-width: 600px) { .ilms-lc-wrap { padding-left: 20px; } }
.ilms-lc-greeting { margin-bottom: 24px; }
.ilms-lc-greeting h1 { font-size: 26px; font-weight: 700; margin: 0 0 6px; color: #1d2d44; }
.ilms-lc-greeting p { margin: 0; color: #666; font-size: 14px; }

.ilms-lc-grid { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }
@media (max-width: 900px) { .ilms-lc-grid { grid-template-columns: 1fr; } }

/* 主欄上方兩欄：下次上課 | 近期練習活動 */
.ilms-lc-toprow { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.ilms-lc-toprow .ilms-lc-card { margin-bottom: 20px; }
@media (max-width: 700px) { .ilms-lc-toprow { grid-template-columns: 1fr; gap: 0; } }

.ilms-lc-card {
    background: #fff; border: 1px solid #e8e8e8; border-radius: 10px;
    padding: 20px 22px; margin-bottom: 20px; box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.ilms-lc-card-title { font-size: 16px; font-weight: 700; color: #1d2d44; margin: 0 0 16px; }
.ilms-lc-empty { color: #999; font-size: 14px; margin: 0 0 8px; }
.ilms-lc-link { font-size: 13px; color: #2271b1; display: inline-block; margin-top: 10px; }

/* 下次上課 */
.ilms-lc-next { display: flex; gap: 16px; align-items: center; }
.ilms-lc-next-date {
    flex-shrink: 0; width: 64px; height: 64px; border-radius: 10px;
    background: #eef4ff; display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ilms-lc-next-day { font-size: 20px; font-weight: 800; color: #2271b1; line-height: 1; }
.ilms-lc-next-wd { font-size: 12px; color: #6b8bb5; margin-top: 3px; }
.ilms-lc-next-title { font-size: 15px; font-weight: 700; color: #1d2d44; }
.ilms-lc-next-meta { font-size: 13px; color: #777; margin: 4px 0 8px; }
.ilms-lc-zoom-btn {
    display: inline-block; padding: 6px 16px; background: #2271b1; color: #fff;
    border-radius: 6px; font-size: 13px; font-weight: 600;
}
.ilms-lc-zoom-btn:hover { background: #135e96; color: #fff; }
.ilms-lc-zoom-note { font-size: 12px; color: #999; }

/* 我的課程列 */
.ilms-lc-course-list { display: flex; flex-direction: column; gap: 14px; }
.ilms-lc-course { display: flex; align-items: center; gap: 14px; }
.ilms-lc-course.is-expired { opacity: .55; }
.ilms-lc-course-thumb {
    flex-shrink: 0; width: 64px; height: 48px; border-radius: 6px;
    background: #e8e8e8 center/cover no-repeat;
}
.ilms-lc-course-info { flex: 1; min-width: 0; }
.ilms-lc-course-name { font-size: 14px; font-weight: 600; color: #1d2d44; margin-bottom: 6px; }
.ilms-lc-course-meta { display: flex; justify-content: space-between; font-size: 12px; color: #888; margin-top: 4px; }
.ilms-lc-course-action { flex-shrink: 0; display: flex; flex-direction: column; gap: 6px; }
.ilms-lc-course-action .ilms-btn-primary,
.ilms-lc-course-action .ilms-btn-secondary { text-align: center; padding: 7px 16px; font-size: 13px; white-space: nowrap; }
.ilms-lc-expired-tag { font-size: 12px; color: #b32d2e; font-weight: 600; }

/* 獎勵碼 */
.ilms-lc-coupon {
    border: 1px dashed #c9a227; border-radius: 8px; padding: 10px 14px; margin-bottom: 10px;
    background: #fffdf5;
}
.ilms-lc-coupon.is-used { opacity: .5; border-style: solid; border-color: #ccc; background: #f7f7f7; }
.ilms-lc-coupon-code { font-size: 16px; font-weight: 800; color: #1d2d44; letter-spacing: 1px; font-family: monospace; }
.ilms-lc-coupon-val { font-size: 13px; color: #c9a227; font-weight: 600; margin: 2px 0; }
.ilms-lc-coupon-status { font-size: 12px; color: #888; }

.ilms-lc-links { list-style: none; margin: 0; padding: 0; }
.ilms-lc-links li { padding: 6px 0; border-bottom: 1px solid #f0f0f0; }
.ilms-lc-links li:last-child { border-bottom: none; }
.ilms-lc-links a { font-size: 14px; color: #2271b1; }

/* =============================================================
   STAGE 7.1 — 行事曆 (Calendar)
   ============================================================= */
.ilms-cal-wrap { max-width: 1100px; margin: 0 auto; padding: 32px 20px 60px; }
.ilms-cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.ilms-cal-head h1 { font-size: 24px; font-weight: 700; color: #1d2d44; margin: 0; }

.ilms-cal { background: #fff; border: 1px solid #e8e8e8; border-radius: 10px; padding: 20px; }
.ilms-cal-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.ilms-cal-title { font-size: 18px; font-weight: 700; color: #1d2d44; margin: 0; }
.ilms-cal-nav {
    padding: 6px 14px; background: #f4f6f9; border-radius: 6px; font-size: 13px;
    color: #2271b1; font-weight: 600;
}
.ilms-cal-nav:hover { background: #e6edf5; color: #135e96; }

.ilms-cal-legend { display: flex; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.ilms-cal-lg { font-size: 12px; color: #555; display: flex; align-items: center; gap: 5px; }
.ilms-cal-lg::before { content: ''; width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.ilms-cal-lg-live::before { background: #2271b1; }
.ilms-cal-lg-practice::before { background: #2e9e5b; }
.ilms-cal-lg-makeup::before { background: #e08a1e; }
.ilms-cal-lg-custom::before { background: #888; }

.ilms-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; background: #e8e8e8; border: 1px solid #e8e8e8; }
.ilms-cal-wd { background: #f4f6f9; text-align: center; padding: 8px 0; font-size: 13px; font-weight: 600; color: #555; }
.ilms-cal-cell { background: #fff; min-height: 92px; padding: 6px; position: relative; }
.ilms-cal-cell.ilms-cal-empty { background: #fafafa; }
.ilms-cal-cell.is-today { background: #f0f7ff; }
.ilms-cal-daynum { font-size: 12px; color: #888; margin-bottom: 4px; }
.ilms-cal-cell.is-today .ilms-cal-daynum { color: #2271b1; font-weight: 700; }

.ilms-cal-evt {
    display: block; font-size: 11px; line-height: 1.3; padding: 3px 5px; border-radius: 4px;
    margin-bottom: 3px; color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    cursor: default;
}
a.ilms-cal-evt { cursor: pointer; }
.ilms-cal-evt-time { font-weight: 700; margin-right: 3px; }
.ilms-cal-evt-live { background: #2271b1; }
.ilms-cal-evt-practice { background: #2e9e5b; }
.ilms-cal-evt-makeup { background: #e08a1e; }
.ilms-cal-evt-custom { background: #888; }

@media (max-width: 600px) {
    .ilms-cal-cell { min-height: 64px; }
    .ilms-cal-evt { font-size: 10px; }
}

/* 學員中心 — 近期練習活動 */
.ilms-lc-activity-list { display: flex; flex-direction: column; gap: 12px; }
.ilms-lc-activity {
    display: flex; align-items: center; gap: 14px;
    padding: 12px 14px; border: 1px solid #eee; border-radius: 8px; background: #fafbfc;
}
.ilms-lc-activity-main { flex: 1; min-width: 0; }
.ilms-lc-activity-title { font-size: 14px; font-weight: 700; color: #1d2d44; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ilms-lc-req-tag { color: #fff; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 10px; }
.ilms-lc-points { color: #c9a227; font-size: 12px; font-weight: 700; }
.ilms-lc-activity-meta { font-size: 12px; color: #888; margin-top: 4px; }
.ilms-lc-activity-desc { font-size: 13px; color: #666; margin-top: 6px; line-height: 1.5; }
.ilms-lc-activity-action { flex-shrink: 0; }
.ilms-lc-act-btn {
    padding: 7px 16px; border: 1px solid #2271b1; background: #2271b1; color: #fff;
    border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap;
    transition: background .15s;
}
.ilms-lc-act-btn:hover { background: #135e96; }
.ilms-lc-act-btn.is-registered { background: #fff; color: #b32d2e; border-color: #e0b4b4; }
.ilms-lc-act-btn.is-registered:hover { background: #fdf0f0; }
.ilms-lc-act-btn:disabled { opacity: .6; cursor: default; }
@media (max-width: 600px) {
    .ilms-lc-activity { flex-direction: column; align-items: stretch; }
}

/* 學員中心 — 請假 / 補課 */
.ilms-lc-subtitle { font-size: 14px; font-weight: 700; color: #1d2d44; margin: 0 0 10px; }
.ilms-leave-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.ilms-leave-form select, .ilms-leave-form input[type="text"] {
    padding: 7px 10px; border: 1px solid #d0d7e3; border-radius: 6px; font-size: 13px;
}
.ilms-leave-form select { min-width: 220px; }
.ilms-leave-form input[type="text"] { flex: 1; min-width: 160px; }
.ilms-leave-form .ilms-btn-primary { padding: 7px 16px; font-size: 13px; }

.ilms-req-list { display: flex; flex-direction: column; gap: 8px; }
.ilms-req-row {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 8px 12px; border: 1px solid #eee; border-radius: 6px; background: #fafbfc;
}
.ilms-req-info { font-size: 13px; color: #1d2d44; }
.ilms-req-action { flex-shrink: 0; display: flex; gap: 6px; align-items: center; }
.ilms-req-action .ilms-makeup-slot { padding: 5px 8px; border: 1px solid #d0d7e3; border-radius: 5px; font-size: 12px; }
.ilms-link-btn {
    background: none; border: none; color: #2271b1; cursor: pointer; font-size: 13px; padding: 4px 6px;
}
.ilms-link-btn:hover { text-decoration: underline; }
@media (max-width: 600px) {
    .ilms-req-row { flex-direction: column; align-items: stretch; }
}

/* =============================================================
   STAGE 8 — 討論區 (Discussions)
   ============================================================= */
.ilms-disc-wrap { max-width: 900px; margin: 0 auto; padding: 32px 20px 60px; }
.ilms-disc-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.ilms-disc-head h1 { font-size: 24px; font-weight: 700; color: #1d2d44; margin: 0; }
.ilms-disc-back { font-size: 13px; color: #2271b1; display: inline-block; margin-bottom: 16px; }
.ilms-disc-empty { color: #888; text-align: center; padding: 50px 0; }

/* 標籤篩選 */
.ilms-disc-tags-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.ilms-disc-tag {
    font-size: 13px; padding: 4px 12px; border-radius: 16px; background: #eef1f5; color: #555;
}
.ilms-disc-tag.active, .ilms-disc-tag:hover { background: #2271b1; color: #fff; }

/* 發表表單 */
.ilms-disc-form { background: #fff; border: 1px solid #e0e6ee; border-radius: 10px; padding: 18px; margin-bottom: 20px; }
.ilms-disc-input, .ilms-disc-textarea {
    width: 100%; padding: 10px 12px; border: 1px solid #d0d7e3; border-radius: 6px;
    font-size: 14px; margin-bottom: 10px; font-family: inherit;
}
.ilms-disc-tag-pick { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; align-items: center; }
.ilms-disc-tag-opt { font-size: 13px; color: #555; }

/* 主題列表 */
.ilms-disc-list { display: flex; flex-direction: column; border: 1px solid #e8ecf1; border-radius: 10px; overflow: hidden; background: #fff; }
.ilms-disc-item { display: flex; align-items: center; gap: 16px; padding: 16px 18px; border-bottom: 1px solid #f0f2f5; transition: background .12s; }
.ilms-disc-item:last-child { border-bottom: none; }
.ilms-disc-item:hover { background: #f8fafc; }
.ilms-disc-item-main { flex: 1; min-width: 0; }
.ilms-disc-item-title { font-size: 16px; font-weight: 600; color: #1d2d44; margin-bottom: 4px; }
.ilms-disc-item-meta { font-size: 12px; color: #999; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.ilms-disc-item-stats { flex-shrink: 0; text-align: center; min-width: 50px; }
.ilms-disc-replycount { display: block; font-size: 18px; font-weight: 700; color: #2271b1; }
.ilms-disc-replylabel { font-size: 11px; color: #999; }
.ilms-disc-tag-mini { font-size: 11px; background: #eef1f5; color: #667; padding: 1px 7px; border-radius: 10px; }
.ilms-disc-solved { font-size: 12px; color: #2e9e5b; font-weight: 700; margin-left: 6px; }

.ilms-disc-pagination { margin-top: 20px; text-align: center; }
.ilms-disc-pagination .page-numbers { display: inline-block; padding: 6px 12px; margin: 0 2px; border: 1px solid #dcdcde; border-radius: 5px; color: #2271b1; }
.ilms-disc-pagination .page-numbers.current { background: #2271b1; color: #fff; border-color: #2271b1; }

/* 主題閱讀頁 */
.ilms-disc-topic { background: #fff; border: 1px solid #e8ecf1; border-radius: 10px; padding: 24px; margin-bottom: 24px; }
.ilms-disc-topic-title { font-size: 22px; font-weight: 700; color: #1d2d44; margin: 0 0 12px; }
.ilms-disc-topic-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; color: #666; margin-bottom: 16px; }
.ilms-disc-topic-meta img { border-radius: 50%; }
.ilms-disc-topic-body { font-size: 15px; line-height: 1.8; color: #333; }
.ilms-disc-topic-body img { max-width: 100%; height: auto; }

.ilms-disc-reply-heading { font-size: 16px; font-weight: 700; color: #1d2d44; margin: 0 0 14px; }
.ilms-disc-replies { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.ilms-disc-reply { background: #fff; border: 1px solid #e8ecf1; border-radius: 8px; padding: 16px 18px; }
.ilms-disc-reply.is-featured { border-color: #f0c040; background: #fffdf5; }
.ilms-disc-featured-tag { font-size: 12px; color: #c9a227; font-weight: 700; margin-bottom: 8px; }
.ilms-disc-reply-meta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #555; margin-bottom: 8px; }
.ilms-disc-reply-meta img { border-radius: 50%; }
.ilms-disc-reply-body { font-size: 14px; line-height: 1.7; color: #333; }
.ilms-disc-reply-body img { max-width: 100%; height: auto; }
.ilms-disc-mod { margin-left: auto; display: flex; gap: 8px; }

.ilms-disc-reply-form { background: #fff; border: 1px solid #e8ecf1; border-radius: 10px; padding: 18px; }
.ilms-disc-reply-form h3 { font-size: 15px; font-weight: 700; margin: 0 0 12px; color: #1d2d44; }

/* 課程頁：課程討論區 tab 連結 */
.ilms-course-tabs .ilms-tab-link { text-decoration: none; margin-left: auto; color: #2271b1; }

/* 討論區：版別導覽 / 見證 */
.ilms-disc-nav { display: flex; gap: 4px; margin-bottom: 14px; border-bottom: 1px solid #e8ecf1; }
.ilms-disc-nav a { padding: 8px 16px; font-size: 14px; font-weight: 600; color: #888; border-bottom: 2px solid transparent; }
.ilms-disc-nav a.active { color: #2271b1; border-bottom-color: #2271b1; }
.ilms-disc-note { font-size: 13px; color: #888; margin: -8px 0 16px; }
.ilms-disc-item-excerpt { font-size: 13px; color: #666; line-height: 1.6; margin: 4px 0; }

/* 討論：圖片上傳工具列 */
.ilms-disc-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.ilms-disc-img-btn { background: #eef1f5; border: 1px solid #d0d7e3; border-radius: 6px; padding: 5px 12px; font-size: 13px; cursor: pointer; }
.ilms-disc-img-btn:hover { background: #e2e8f0; }
.ilms-disc-img-status { font-size: 12px; }

/* 討論單頁：主內容 + 右側時間軸 */
.ilms-disc-single-grid { display: grid; grid-template-columns: 1fr 180px; gap: 32px; align-items: start; }
.ilms-disc-single-main { min-width: 0; }
.ilms-disc-timeline { position: static; }
.ilms-disc-timeline.ilms-tl-fixed { position: fixed; top: 100px; z-index: 20; }
.ilms-disc-timeline-inner { position: relative; padding-left: 20px; border-left: 3px solid #e3e8ef; display: flex; flex-direction: column; gap: 22px; min-height: 320px; cursor: pointer; }
.ilms-disc-timeline-inner.dragging { cursor: grabbing; user-select: none; }
/* 可拖曳把手：沿左側邊線移動，反映目前捲動位置 */
.ilms-tl-handle {
    position: absolute; left: -8px; top: 0; width: 13px; height: 40px;
    background: #2271b1; border-radius: 7px; cursor: grab; z-index: 3;
    transform: translateY(-4px); transition: top .05s linear; box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.ilms-tl-handle:hover { background: #135e96; }
.ilms-disc-timeline-inner.dragging .ilms-tl-handle { cursor: grabbing; transition: none; }
.ilms-tl-node { display: flex; align-items: flex-start; gap: 8px; position: relative; color: #888; font-size: 14px; line-height: 1.4; }
.ilms-tl-dot { position: absolute; left: -28px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: #c7d0db; border: 2px solid #fff; }
.ilms-tl-node.active { color: #2271b1; font-weight: 700; }
.ilms-tl-node.active .ilms-tl-dot { background: #2271b1; }
.ilms-tl-node:hover { color: #2271b1; }
.ilms-tl-label { font-weight: 600; }
.ilms-tl-label small { color: #aaa; font-weight: 400; font-size: 12px; }
@media (max-width: 980px) {
    .ilms-disc-single-grid { grid-template-columns: 1fr; }
    .ilms-disc-timeline { display: none; }
}

/* 討論：富文編輯器 */
.ilms-rte { border: 1px solid #d0d7e3; border-radius: 8px; margin-bottom: 10px; position: relative; }
.ilms-rte-toolbar { display: flex; align-items: center; gap: 6px; padding: 6px 8px; background: #f6f8fb; border-bottom: 1px solid #e3e8ef; flex-wrap: wrap; }
.ilms-rte-btn { width: 32px; height: 30px; border: 1px solid #d0d7e3; background: #fff; border-radius: 5px; cursor: pointer; font-size: 14px; color: #333; line-height: 1; padding: 0; display: inline-flex; align-items: center; justify-content: center; }
.ilms-rte-btn b, .ilms-rte-btn u { color: #333; font-weight: 700; }
.ilms-rte-btn:hover { background: #eef2f7; }
.ilms-rte-size { height: 30px; min-width: 70px; border: 1px solid #d0d7e3; border-radius: 5px; font-size: 13px; color: #333; background: #fff; padding: 0 6px; }
.ilms-rte-color { width: 30px; height: 28px; border: 1px solid #d0d7e3; border-radius: 5px; padding: 2px; cursor: pointer; background: #fff; }
.ilms-rte-area { min-height: 110px; padding: 12px 14px; font-size: 14px; line-height: 1.7; outline: none; }
.ilms-rte-area:empty:before { content: attr(data-placeholder); color: #aaa; }
.ilms-rte-area img { max-width: 100%; height: auto; }

/* 討論：表情回應 — 左側統計（可點開名單），右側「回應」按鈕 + 選擇器 */
.ilms-reactions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; min-height: 34px; }
.ilms-react-left { display: flex; align-items: center; }
.ilms-react-stats { display: inline-flex; align-items: center; gap: 2px; padding: 4px 10px; border: 1px solid #e8ecf1; background: #f7f9fc; border-radius: 16px; cursor: pointer; }
.ilms-react-stats:hover { background: #eef2f7; }
.ilms-react-stat-emoji { font-size: 16px; }
.ilms-react-total { font-size: 13px; font-weight: 700; color: #555; margin-left: 4px; }

.ilms-react-right { position: relative; }
.ilms-react-trigger {
    display: inline-flex; align-items: center; gap: 5px; padding: 5px 12px;
    border: 1px solid #dcdfe4; background: #fff; border-radius: 16px; cursor: pointer;
    color: #888; font-size: 13px; line-height: 1;
}
.ilms-react-trigger svg { display: block; }
.ilms-react-trigger:hover { color: #e8343a; border-color: #f0c0c0; background: #fff7f7; }
.ilms-react-picker {
    display: none; position: absolute; right: 0; bottom: calc(100% + 8px); z-index: 80;
    background: #fff; border: 1px solid #e0e6ee; border-radius: 26px;
    box-shadow: 0 8px 24px rgba(0,0,0,.18); padding: 6px 10px; gap: 2px; white-space: nowrap;
}
/* 隱形橋接：填補選擇器與按鈕間的空隙，游標往上移時不會中斷 hover */
.ilms-react-picker::after { content: ''; position: absolute; left: 0; right: 0; top: 100%; height: 10px; }
.ilms-react-right:hover .ilms-react-picker,
.ilms-react-picker.open { display: flex; }
.ilms-react-picker .ilms-react-pick {
    border: none; background: none; cursor: pointer;
    font-size: 22px !important; line-height: 1 !important;
    width: 34px; height: 34px; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%; transition: transform .1s;
}
.ilms-react-picker .ilms-react-pick:hover { transform: scale(1.25); background: #f2f5f9; }
.ilms-react-picker .ilms-react-pick.active { background: #ffe3e3; }

/* 「誰按了什麼」彈窗 */
.ilms-reactors-modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 100000; align-items: center; justify-content: center; }
.ilms-reactors-modal.open { display: flex; }
.ilms-reactors-box { background: #fff; width: 420px; max-width: 92vw; max-height: 80vh; border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.ilms-reactors-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid #eee; font-weight: 700; color: #1d2d44; }
.ilms-reactors-close { border: none; background: none; font-size: 18px; cursor: pointer; color: #888; }
.ilms-reactors-tabs { display: flex; gap: 6px; padding: 10px 14px; border-bottom: 1px solid #f0f0f0; flex-wrap: wrap; }
.ilms-reactor-tab { border: 1px solid #e0e6ee; background: #fff; border-radius: 14px; padding: 4px 12px; font-size: 13px; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; }
.ilms-reactor-tab .ilms-reactor-tab-em { font-size: 16px; }
.ilms-reactor-tab b { color: #555; }
.ilms-reactor-tab.active { background: #eef4ff; border-color: #2271b1; color: #2271b1; }
.ilms-reactor-tab.active b { color: #2271b1; }
.ilms-reactors-body { overflow-y: auto; }
.ilms-reactor-row { display: flex; align-items: center; gap: 10px; padding: 8px 18px; }
.ilms-reactor-avatar { width: 36px; height: 36px; border-radius: 50%; }
.ilms-reactor-name { flex: 1; font-size: 14px; color: #1d2d44; }
.ilms-reactor-em { font-size: 18px; }

/* 討論：頭像 / 圖釘鎖頭 / 連結 / 鎖定提示 */
.ilms-disc-avatar { border-radius: 50%; flex-shrink: 0; }
.ilms-disc-topic-meta .ilms-disc-avatar, .ilms-disc-reply-meta .ilms-disc-avatar { width: 36px; height: 36px; }
.ilms-disc-pin, .ilms-disc-lock { font-size: 18px; margin-right: 2px; vertical-align: middle; }
.ilms-disc-topic-mod { margin-left: auto; display: inline-flex; gap: 8px; }
.ilms-disc-topic-body a, .ilms-disc-reply-body a { color: #a78bdb; text-decoration: underline; }
.ilms-disc-topic-body a:hover, .ilms-disc-reply-body a:hover { color: #8b6fc7; }
.ilms-disc-locked-note { background: #f6f7f9; border: 1px solid #e3e8ef; border-radius: 8px; padding: 14px 18px; color: #888; font-size: 14px; text-align: center; }

/* 討論：表情符號選擇器 */
.ilms-rte-emoji-btn { width: 32px; height: 30px; border: 1px solid #d0d7e3; background: #fff; border-radius: 5px; cursor: pointer; font-size: 15px; line-height: 1; padding: 0; }
.ilms-rte-emoji-btn:hover { background: #eef2f7; }
.ilms-emoji-panel {
    position: absolute; z-index: 60; top: 44px; left: 8px;
    background: #fff; border: 1px solid #d0d7e3; border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0,0,0,.15); padding: 8px;
    display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px;
    width: 300px; max-height: 200px; overflow-y: auto;
}
.ilms-emoji-pick { border: none; background: none; cursor: pointer; font-size: 20px; padding: 3px; border-radius: 5px; line-height: 1; }
.ilms-emoji-pick:hover { background: #eef2f7; }

/* 學習頁討論面板：發表表單 + 主題列表 */
.ilms-lesson-disc-form { padding: 0 16px 14px; }
.ilms-lesson-disc-form .ilms-disc-input,
.ilms-lesson-disc-form .ilms-disc-textarea { width: 100%; padding: 8px 10px; border: 1px solid #d0d7e3; border-radius: 6px; font-size: 13px; margin-bottom: 8px; font-family: inherit; }
.ilms-lesson-disc-list { padding: 8px 14px 16px; display: flex; flex-direction: column; gap: 8px; overflow-y: auto; }
.ilms-lesson-disc-item { display: block; padding: 10px 12px; border: 1px solid #eef0f3; border-radius: 8px; background: #fff; }
.ilms-lesson-disc-item:hover { background: #f7f9fc; border-color: #d8e0ea; }
.ilms-lesson-disc-item-title { font-size: 14px; font-weight: 600; color: #1d2d44; line-height: 1.4; }
.ilms-lesson-disc-item-meta { font-size: 12px; color: #888; margin-top: 4px; }