/* =========================================
   🎨 1. THEME VARIABLES (ระบบสีหลักและโหมดต่างๆ)
   ========================================= */
:root {
    --pico-border-radius: 1.5rem;
    --pico-box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    --primary-blue: #3B82F6;

    /* ☀️ Light Mode */
    --bg-gradient-1: #e0e7ff;
    --bg-gradient-2: #dbeafe;
    --main-bg: #f0f4f8 !important;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --input-bg: #f8fafc;
    --input-border: #cbd5e1;

    /* 🎨 Accent Frame (สีฟ้าเดิมสำหรับธีมสว่าง) */
    --sd-accent-bg: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --sd-accent-color: #ffffff;
}

[data-theme="dark"], html[data-theme="dark"] {
    /* 🌙 Dark Mode */
    --bg-gradient-1: #1e1b4b;
    --bg-gradient-2: #172554;
    --main-bg: #111928 !important;
    --pico-background-color: #111928 !important; 
    --card-bg: #1f2937 !important;
    --pico-card-background-color: #1f2937 !important;
    --text-main: #f3f4f6 !important;
    --pico-color: #f3f4f6 !important;
    --input-bg: #0f172a;
    --input-border: #334155;

    /* 🎨 Accent Frame สำหรับโหมดมืด */
    --sd-accent-bg: #0f172a; 
    --sd-accent-color: #f8fafc;
}

[data-theme="rainbow"], html[data-theme="rainbow"], body[data-theme="rainbow"] {
    /* 🌈 Rainbow Mode */
    --pico-background-color: #f3f4f6;
    --pico-color: #111827;
    --pico-card-background-color: rgba(255, 255, 255, 0.85);
    --pico-card-border-color: rgba(209, 213, 219, 0.5);
    --pico-form-element-background-color: rgba(255, 255, 255, 0.9);
    --pico-primary: #4f46e5;
    --pico-primary-hover: #3730a3;
    --pico-primary-focus: rgba(79, 70, 229, 0.25);
    --pico-primary-inverse: #ffffff;
    
    /* บังคับตัวหนังสือในการ์ดเป็นสีเข้ม ให้อ่านง่ายบนสีพาสเทล */
    --sd-accent-color: #1e293b !important; 
}

@keyframes rainbow-bg {
    0%{background-position:0% 50%}
    50%{background-position:100% 50%}
    100%{background-position:0% 50%}
}
[data-theme="rainbow"] body {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: rainbow-bg 15s ease infinite;
}

/* Rainbow Theme Card Colors */
[data-theme="rainbow"] #dashboard-content > article:nth-of-type(4n + 1) { background-color: #FFFDE7; border-color: #FFD600; }
[data-theme="rainbow"] #dashboard-content > article:nth-of-type(4n + 2) { background-color: #E0F7FA; border-color: #00BCD4; }
[data-theme="rainbow"] #dashboard-content > article:nth-of-type(4n + 3) { background-color: #FCE4EC; border-color: #F06292; }
[data-theme="rainbow"] #dashboard-content > article:nth-of-type(4n + 4) { background-color: #F1F8E9; border-color: #AED581; }

/* =========================================
   🏗️ 2. GENERAL & BASE STYLES
   ========================================= */
body { 
    padding: 1rem; 
    background-color: var(--main-bg, #f0f4f8);
    background-image: radial-gradient(circle at top right, var(--bg-gradient-1), transparent 40%),
                      radial-gradient(circle at bottom left, var(--bg-gradient-2), transparent 40%);
    background-attachment: fixed;
    transition: background-color 0.3s ease, color 0.3s ease;     
    color: var(--text-main, var(--pico-color)) !important;
}

main { 
    max-width: 480px; 
    margin: 1.5rem auto; 
    background-color: var(--main-bg, rgba(255, 255, 255, 0.9)) !important; 
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 2.5rem; 
    min-height: auto !important; 
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15) !important; 
    overflow: hidden;
}

body.admin-mode main {
    max-width: 1200px;
    border-radius: var(--pico-border-radius);
    margin-top: 2vh;
    min-height: 96vh;
}

.hidden { display: none !important; }
h2 { text-align: center; }
article { padding: 1.5rem; margin-bottom: 1rem; }
small { display: block; text-align: center; margin-top: 1rem; }
label { margin-block-start: 0.5rem; }
input[readonly] { background-color: var(--pico-muted-border-color); }

/* =========================================
   ✨ 3. UI COMPONENTS & CARDS
   ========================================= */
.sd-unified-card { 
    background: var(--sd-accent-bg) !important; 
    color: var(--sd-accent-color) !important; 
    margin: -1.25rem -1.25rem 1.5rem -1.25rem; 
    border-radius: 0 0 24px 24px !important; 
    padding: 2rem 1.5rem 1.5rem 1.5rem; 
    position: relative !important; 
    box-shadow: 0 10px 25px rgba(0,0,0,0.1); 
    overflow: hidden; 
    transition: background 0.5s ease; 
}

.sd-unified-card h2, .sd-unified-card p, .sd-unified-name, .sd-unified-greeting { 
    color: var(--sd-accent-color) !important; 
}

.sd-unified-bg-emoji {
    position: absolute;
    bottom: -15px;      
    right: -10px;       
    font-size: 15rem;    
    opacity: 0.15;      
    color: var(--sd-accent-color);
    z-index: 0;         
    pointer-events: none; 
    line-height: 1;
    user-select: none;
}

.sd-unified-card > *:not(.sd-unified-bg-emoji) {
    position: relative;
    z-index: 1;
}

/* คืนชีพ Checkbox และ Switch */
select, input:not([type="checkbox"]):not([type="radio"]) {
    background-color: var(--input-bg) !important;
    border: 1px solid var(--input-border) !important;
    color: var(--text-main) !important;
    border-radius: 0.75rem !important;
}

select:focus, input:not([type="checkbox"]):not([type="radio"]):focus {
    border-color: var(--primary-blue) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2) !important;
}

button, input[type="submit"] {
    border-radius: 12px !important; 
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap !important;
}

.icon-button, .icon-button-circle {
    border-radius: 50% !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
}

.icon-button { width: 2.25rem !important; height: 2.25rem !important; padding: 0.4rem !important; line-height: 0; }
.icon-button-circle { width: 2.8rem; height: 2.8rem; border: none !important; margin: 0; padding: 0; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); }
.icon-button-circle:hover { transform: scale(1.08); }
.icon-button-circle:active { transform: scale(0.96); }
.icon-button-circle.primary { background-color: var(--primary-blue) !important; color: white !important; }
.icon-button-circle.secondary { background-color: var(--pico-secondary-background) !important; color: var(--pico-secondary) !important; }
.icon-button-circle.outline { border: 1px solid var(--pico-muted-border-color) !important; background-color: transparent !important; color: var(--pico-muted-color) !important; }

.icon-button-circle #notification-badge {
    position: absolute; top: -4px; right: -4px; background: #ef4444 !important; color: white;
    border-radius: 50%; font-size: 0.65rem; padding: 0.1rem 0.4rem; min-width: 16px;
    text-align: center; border: 2px solid var(--card-bg); line-height: 1;
}

.icon-button svg { width: 1em; height: 1em; display: block; }

.badge {
    padding: 0.25em 0.75em; border-radius: var(--pico-border-radius);
    font-size: 0.8em; font-weight: 600; white-space: nowrap !important;
}
.badge.status-default { background-color: var(--pico-muted-border-color); color: var(--pico-muted-color); }
.badge.status-waiting { background-color: #fef08a; color: #854d0e; } 
.badge.status-in-progress { background-color: #bfdbfe; color: #1e40af; } 
.badge.status-completed { background-color: #bbf7d0; color: #166534; } 
.badge.status-rejected { background-color: #fecaca; color: #991b1b; } 
.badge.status-damaged { background-color: #fed7aa; color: #9a3412; } 
.badge.status-cannot-repair { background-color: #e5e7eb; color: #4b5563; } 
.badge.status-borrowing { background-color: #a5f3fc; color: #164e63; } 
.badge.status-returned { background-color: #28a745; color: white; }
.badge.status-repairing { background-color: #007bff; color: white; }
.badge.status-borrowed { background-color: #6c757d; color: white; }
.badge.status-overdue { background-color: #f97316; color: #ffffff; } 
.badge.status-forced-return { background-color: #4f46e5; color: #ffffff; } 
.badge.status-admin { background: rgba(59, 130, 246, 0.1); color: var(--primary-blue); border-radius: 9999px; padding: 0.2rem 0.6rem; font-weight: 600; font-size: 0.8rem; }

/* =========================================
   📑 4. LAYOUTS, TABLES & SPECIFIC VIEWS
   ========================================= */
#user-info-wrapper {
    background: var(--card-bg); padding: 1.5rem; border-radius: 2rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(226, 232, 240, 0.7); margin-bottom: 2rem; color: var(--text-main);
}

#user-info-wrapper h3, #user-info-wrapper span, .compact-stat-card span, .instrument-card h5,
.instrument-card small, .instrument-card p, .notification-item p, .notification-item small,
table th, table td {
    white-space: nowrap !important;
}

#user-info-wrapper h3, .instrument-card h5, .notification-item p:first-child, .knowledge-list-item strong, td {
    overflow: hidden; text-overflow: ellipsis; max-width: 250px;
}
td[style*="white-space: pre-wrap;"], td[style*="white-space:pre-wrap;"] {
    white-space: normal !important; word-break: break-word; max-width: 300px;
}

.top-nav {
    display: flex; align-items: center; padding: 0.5rem 1rem;
    background-color: var(--pico-card-background-color); border-bottom: 1px solid var(--pico-muted-border-color);
    margin-bottom: 1.5rem; border-radius: var(--pico-border-radius); box-shadow: var(--pico-box-shadow);
}
.top-nav .nav-brand { font-weight: bold; font-size: 1.2em; margin-right: 1.5rem; }
.top-nav .nav-links { display: flex; align-items: center; gap: 0.5rem; margin-right: auto; }
.top-nav a, .top-nav .dropdown > button {
    padding: 0.5rem 1rem; border-radius: var(--pico-border-radius); text-decoration: none; color: var(--pico-secondary);
    background: none; border: none; cursor: pointer; font-weight: 500; transition: background-color 0.2s, color 0.2s;
}
.top-nav a:hover, .top-nav .dropdown > button:hover { background-color: var(--pico-muted-background-color); color: var(--pico-contrast); }

.theme-switcher-wrapper {
    position: absolute; top: 1rem; right: 1rem; z-index: 1000;
    background: var(--pico-card-background-color); border-radius: 100%; box-shadow: 0 0px 0px rgba(255, 255, 255, 0);
}
.theme-switcher {
    display: inline-flex; align-items: center; cursor: pointer; background: none; border: none; padding: 0.5rem; border-radius: 50%; transition: background-color 0.2s;
}
.theme-switcher:hover { background-color: var(--pico-muted-background-color); }
.theme-switcher .icon { font-size: 1.5rem; line-height: 1; display: none; }

/* Tables */
.table-container, #admin-approval-list > div, #admin-repair-list > div, #live-status-container > form > div,
#modal-user-list-container, #modal-instrument-list-container, #modal-history-list-container,
#modal-all-repair-history, #modal-practice-report-container {
    overflow-x: auto !important; width: 100%; -webkit-overflow-scrolling: touch;
}
.table-container table, #admin-approval-list table, #admin-repair-list table, #live-status-container table,
#modal-user-list-container table, #modal-instrument-list-container table, #modal-history-list-container table,
#modal-all-repair-history table, #modal-practice-report-container table {
    min-width: max-content; width: 100%;
}
table td, table th { vertical-align: middle; }
figure.table-container { border-radius: 1.25rem !important; overflow: hidden; border: 1px solid var(--input-border); box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02); background: var(--card-bg); }
table { width: 100%; border-collapse: collapse; margin: 0; }
thead tr th { background: rgba(59, 130, 246, 0.08); color: var(--primary-blue); font-weight: 700; padding: 1.2rem 1rem; border-bottom: 2px solid rgba(59, 130, 246, 0.2); text-align: left; }
tbody tr td { padding: 1rem; border-bottom: 1px dashed var(--input-border); color: var(--text-main); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(59, 130, 246, 0.03); }
tr.user-rank-highlight td { background: rgba(16, 185, 129, 0.1); font-weight: 700; color: #059669; }

/* Admin layout */
.admin-container { display: flex; flex-direction: row; gap: 1.5rem; align-items: flex-start; }
.admin-sidebar { flex: 0 0 240px; position: sticky; top: 1.5rem; }
.admin-sidebar .panel { padding: 1rem; border-radius: var(--pico-border-radius); border: 1px solid var(--pico-muted-border-color); background-color: var(--pico-card-background-color); }
.admin-sidebar h5 { margin-top: 0; border-bottom: 1px solid var(--pico-muted-border-color); padding-bottom: 0.75rem; margin-bottom: 1rem; }
.admin-sidebar .menu-list button { display: flex; align-items: center; gap: 0.75rem; width: 100%; text-align: left; margin-bottom: 0.5rem; padding: 0.75rem 1rem; border: none; background: none; border-radius: var(--pico-border-radius); cursor: pointer; font-weight: 500; color: var(--pico-secondary); transition: all 0.2s ease-in-out; }
.admin-sidebar .menu-list button:hover { background-color: var(--pico-muted-background-color); color: var(--pico-contrast); }
.admin-sidebar .menu-list button.active { background-color: var(--pico-primary-background); color: var(--pico-primary-hover); font-weight: bold; }
.admin-content { flex-grow: 1; display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.5rem; }
.admin-content > .panel { background-color: var(--pico-card-background-color); border: 1px solid var(--pico-muted-border-color); border-radius: var(--pico-border-radius); padding: 1.5rem; }
.panel.full-width { grid-column: 1 / -1; }
.panel.col-span-8 { grid-column: span 8; }
.panel.col-span-4 { grid-column: span 4; }
.panel.col-span-6 { grid-column: span 6; }
.admin-sidebar.collapsed { flex: 0 0 72px; }
.admin-sidebar.collapsed .menu-list button span, .admin-sidebar.collapsed h5, .admin-sidebar.collapsed #sidebar-toggle-btn .label { display: none; }
.admin-sidebar.collapsed #sidebar-toggle-btn .icon-collapse { transform: rotate(180deg); }

/* Badges */
#badge-list { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; }
.modern-badge { background: var(--card-bg); border: 1px solid var(--input-border); padding: 1rem; border-radius: 1rem; text-align: center; width: calc(25% - 0.75rem); box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03); transition: transform 0.2s; }
.modern-badge:hover { transform: translateY(-2px); }
.modern-badge img { width: 40px; height: 40px; margin-bottom: 0.5rem; }
.modern-badge span { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-main); }
#badge-list .badge { font-size: 0.95rem; padding: 0.5rem 1rem !important; margin: 0.25rem; box-shadow: 0 2px 4px rgba(0,0,0,0.05); background: linear-gradient(145deg, var(--card-bg), var(--input-bg)); border: 1px solid var(--input-border); color: var(--text-main); transition: transform 0.2s; }
#badge-list .badge:hover { transform: translateY(-2px) scale(1.05); border-color: var(--primary-blue); }

/* Profile Card */
#modern-profile-card { display: flex; align-items: center; gap: 1.25rem; }
#profile-card-left .profile-pic-large { width: 70px; height: 70px; border-radius: 50%; object-fit: cover; border: 3px solid #ffffff; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
#profile-card-center h3 { margin: 0.25rem 0; font-size: 1.4rem; font-weight: 700; }
.practice-time-display { display: flex; align-items: center; gap: 0.4rem; font-size: 0.9rem; color: var(--pico-secondary); }
#profile-card-actions { margin-left: auto; display: flex; gap: 0.75rem; }
.icon-button-modern { background-color: var(--primary-blue) !important; border-radius: 50% !important; width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center; color: white; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); transition: all 0.2s ease-in-out; }
.icon-button-modern svg { color: white; }

/* Gamification / Player Card */
.player-card-wrapper { background: linear-gradient(135deg, rgba(var(--pico-primary-rgb), 0.1), transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(var(--pico-primary-rgb), 0.2); box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1); border-radius: 20px; padding: 1.5rem; position: relative; overflow: hidden; text-align: center; margin-bottom: 1.5rem; }
.player-card-wrapper::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: conic-gradient(from 0deg, transparent 0%, var(--pico-primary) 25%, transparent 50%); animation: rotateGlow 10s linear infinite; opacity: 0.1; z-index: 0; pointer-events: none; }
@keyframes rotateGlow { 100% { transform: rotate(360deg); } }
.player-card-content { position: relative; z-index: 1; }
.player-avatar-ring { width: 100px; height: 100px; border-radius: 50%; background: linear-gradient(45deg, #ff6b6b, #ffd93d, #6bcb77, #3b82f6); padding: 4px; margin: 0 auto 1rem; animation: spinRing 4s linear infinite; }
.player-avatar-ring img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 3px solid var(--pico-card-background-color); }
@keyframes spinRing { 100% { filter: hue-rotate(360deg); } }
.player-level-badge { background: var(--pico-primary); color: var(--pico-primary-inverse); padding: 0.2rem 0.8rem; border-radius: 20px; font-weight: bold; font-size: 0.9rem; display: inline-block; margin-bottom: 0.5rem; box-shadow: 0 4px 10px rgba(var(--pico-primary-rgb), 0.4); }
.player-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; margin-top: 1rem; }
.player-stat-box { background: var(--pico-form-element-background-color); padding: 0.8rem 0.5rem; border-radius: 12px; font-size: 0.8rem; }
.player-stat-box strong { display: block; font-size: 1.2rem; color: var(--pico-primary); }

/* Other components */
.modern-rule-box { display: flex; align-items: center; gap: 1rem; background: linear-gradient(135deg, #eff6ff, #dbeafe); border: 1px solid #bfdbfe; padding: 1rem 1.25rem; border-radius: 1rem; margin-bottom: 1.5rem; box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.1); }
.modern-rule-box .rule-icon { font-size: 2rem; line-height: 1; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1)); }
.modern-rule-box .rule-text { flex-grow: 1; }
.modern-rule-box .rule-text strong { display: block; color: #1e3a8a; font-size: 1.05rem; margin-bottom: 0.1rem; }
.modern-rule-box .rule-text p { margin: 0; color: #3b82f6; font-size: 0.85rem; line-height: 1.4; }
[data-theme="dark"] .modern-rule-box { background: linear-gradient(135deg, #1e3a8a, #172554); border-color: #1e40af; }
[data-theme="dark"] .modern-rule-box .rule-text strong { color: #bfdbfe; }
[data-theme="dark"] .modern-rule-box .rule-text p { color: #93c5fd; }
.modern-field-group { background: var(--card-bg); border: 1px solid var(--input-border); padding: 1.25rem; border-radius: 1.25rem; margin-bottom: 1.25rem; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
.modern-field-group h6 { margin-top: 0; margin-bottom: 1rem; color: var(--text-main); display: flex; align-items: center; gap: 0.5rem; font-weight: 700; }
.modern-sub-panel { border-left: 3px solid var(--primary-blue); padding-left: 1rem; margin: 1rem 0 1rem 0.5rem; background: rgba(59, 130, 246, 0.05); padding: 1rem; border-radius: 0 1rem 1rem 0; }

.borrow-btn { width: 100%; padding: 0.8rem; font-size: 1.1rem; font-weight: 700; margin-top: 1rem; box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3); }
.borrow-btn:disabled { box-shadow: none; opacity: 0.5; }
.borrow-btn.repair-mode { background-color: #ef4444 !important; border-color: #dc2626 !important; color: #ffffff !important; box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.3) !important; }
.borrow-btn.repair-mode:active { background-color: #dc2626 !important; }
.modern-toggle-wrapper { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 0; border-top: 1px dashed var(--input-border); }
.modern-toggle-wrapper:first-of-type { border-top: none; padding-top: 0; }
.modern-toggle-wrapper label { margin: 0; font-weight: 600; color: var(--text-main); cursor: pointer; display: flex; align-items: center; gap: 0.5rem; }

/* Miscellaneous Views */
#history-list { max-height: 60vh; overflow-y: auto; padding-right: 1em; margin-right: -1em; }
.history-item { border: 1px solid var(--pico-muted-border-color); border-radius: var(--pico-border-radius); margin-bottom: 1rem; padding: 1rem; }
.history-item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.history-item-header h5 { margin: 0; }
.history-item-body p { margin: 0.25rem 0; font-size: 0.9rem; color: var(--pico-secondary); }
.problem-desc { font-style: italic; }
#practice-ranking-list table th, #practice-ranking-list table td { padding-top: 0.01rem; padding-bottom: 0.01rem; }
.instrument-card-grid, .user-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.instrument-card, .user-card { border: 1px solid var(--pico-muted-border-color); border-radius: var(--pico-border-radius); padding: 1rem; text-align: center; display: flex; flex-direction: column; align-items: center; }
.instrument-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--pico-border-radius); margin-bottom: 1rem; }
.user-card img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin-bottom: 1rem; }
.user-card-actions { margin-top: auto; padding-top: 1rem; display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: center; }
.instrument-table-img { width: 40px; height: 40px; object-fit: cover; border-radius: var(--pico-border-radius); vertical-align: middle; }
.admin-tabs { display: flex; border-bottom: 1px solid var(--pico-muted-border-color); margin-bottom: 1.5rem; overflow-x: auto; background-color: var(--pico-muted-background-color); border-radius: var(--pico-border-radius); padding: 0.25rem; }
.admin-tab-btn { padding: 0.75rem 1.5rem; cursor: pointer; border: none; background: none; border-radius: var(--pico-border-radius); color: var(--pico-secondary); font-weight: 600; white-space: nowrap; transition: background-color 0.3s, color 0.3s; }
.admin-tab-btn:hover { background-color: var(--pico-muted-border-color); }
.admin-tab-btn.active { color: var(--pico-primary); background-color: var(--pico-card-background-color); font-weight: 700; }
.admin-tab-panel { display: none; padding-top: 1rem; }
.admin-tab-panel.active { display: block; }
#admin-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: 0; }
.stat-card { text-align: center; padding: 1.25rem 1rem; background-color: var(--pico-muted-background-color); border-radius: var(--pico-border-radius); border: 1px solid var(--pico-muted-border-color); }
.stat-card h4 { font-size: 2.5rem; margin-bottom: 0.25rem; color: var(--pico-primary); }
.stat-card p { margin: 0; font-size: 0.9em; color: var(--pico-secondary); }
.dropdown { position: relative; display: inline-block; }
.dropdown-content { display: none; position: absolute; background-color: var(--pico-card-background-color); min-width: 220px; box-shadow: var(--pico-box-shadow); border-radius: var(--pico-border-radius); border: 1px solid var(--pico-muted-border-color); padding: 0.5rem; z-index: 100; margin-top: 0.5rem; }
.dropdown-content a, .dropdown-content button { color: var(--pico-color); padding: 0.75rem 1rem; text-decoration: none; display: block; text-align: left; border-radius: var(--pico-border-radius); width: 100%; background: none; border: none; cursor: pointer; }
.dropdown-content a:hover, .dropdown-content button:hover { background-color: var(--pico-primary-background); color: var(--pico-primary-hover); }
.dropdown.show .dropdown-content { display: block; }
.view-switcher { display: inline-flex; border: 1px solid var(--pico-muted-border-color); border-radius: var(--pico-border-radius); margin-left: auto; }
.view-switcher button { border: none; background-color: transparent; padding: 0.5rem 0.75rem; cursor: pointer; line-height: 1; color: var(--pico-secondary); }
.view-switcher button.active { background-color: var(--pico-primary); color: var(--pico-primary-inverse); }
.view-switcher button:first-of-type { border-top-left-radius: var(--pico-border-radius); border-bottom-left-radius: var(--pico-border-radius); }
.view-switcher button:last-of-type { border-top-right-radius: var(--pico-border-radius); border-bottom-right-radius: var(--pico-border-radius); }
.view-switcher svg { width: 1.25em; height: 1.25em; display: block; }
.modal-header-controls { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.modal-filter-grid { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
.modal-filter-grid > input[type="search"] { flex: 2 1 250px; max-width: 450px; }
.modal-filter-grid > select { flex: 1 1 200px; max-width: 300px; }
.modal-toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding: 1rem; background-color: var(--pico-muted-background-color); border-radius: var(--pico-border-radius); margin-bottom: 1.5rem; }
.modal-filters { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; }
.modal-filters > input[type="search"] { flex: 2 1 200px; }
.modal-filters > select { flex: 1 1 150px; }
.modal-view.hidden { display: none; }
.offline-toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(100px); background: #f59e0b; color: #fff; padding: 12px 24px; border-radius: 50px; display: flex; align-items: center; gap: 10px; z-index: 9999; box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4); opacity: 0; transition: all 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55); }
.offline-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
#borrowed-list li { padding: .4rem 0; border-bottom: 1px dashed var(--pico-muted-border-color); }
#borrowed-list li:last-child { border-bottom: none; }
#borrowed-list .return-btn { padding: .25rem .5rem; font-size: .85rem; }
#borrowed-list strong { line-height: 1.2; display: inline-block; max-width: 120px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.modern-profile-layout { display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center; justify-content: space-between; }
.profile-info-section { display: flex; align-items: center; gap: 1rem; flex: 1 1 220px; }
.profile-avatar { width: 65px; height: 65px; border-radius: 50%; object-fit: cover; border: 3px solid var(--primary-blue); padding: 2px; background: var(--card-bg); box-shadow: 0 4px 10px rgba(0,0,0,0.1); flex-shrink: 0; }
.profile-text { min-width: 0; }
.profile-name { margin: 0 0 0.25rem 0; font-size: 1.2rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text-main); }
.profile-stats-box { display: flex; align-items: center; justify-content: space-around; gap: 1rem; background: var(--input-bg); padding: 0.6rem 1.25rem; border-radius: 1rem; border: 1px dashed var(--input-border); flex: 1 1 200px; }
.stat-item { text-align: center; }
.stat-item strong { display: block; font-size: 1.1rem; color: var(--primary-blue); line-height: 1.2; }
.stat-item span { font-size: 0.75rem; color: var(--pico-muted-color); font-weight: 600; }
.stat-divider { width: 1px; height: 30px; background-color: var(--input-border); }
.profile-actions-section { display: flex; gap: 0.75rem; flex: 1 1 auto; justify-content: flex-end; }
.compact-stats-wrapper { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; width: 100%; }
.compact-stat-card { flex: 1; min-width: 100px; background: var(--input-bg); border: 1px solid var(--input-border); border-radius: 0.75rem; padding: 0.5rem; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
.compact-stat-title { font-size: 0.7rem; color: var(--pico-muted-color); font-weight: 700; margin-bottom: 0.25rem; }
.compact-stat-score { font-size: 1rem; font-weight: 800; color: var(--primary-blue); line-height: 1.2; }
.compact-stat-rank { font-size: 0.65rem; color: #d97706; background: rgba(245, 158, 11, 0.15); padding: 0.15rem 0.4rem; border-radius: 6px; font-weight: 700; margin-top: 0.25rem; }

/* =========================================
   🛠️ 5. TOOLS (TUNER & METRONOME)
   ========================================= */
#native-tuner { background-color: var(--pico-muted-background-color); border: 1px solid var(--pico-muted-border-color); border-radius: var(--pico-border-radius); padding: 1.5rem; padding-bottom: 2.5rem; text-align: center; font-family: monospace; transition: border-color 0.3s, box-shadow 0.3s; position: relative; }
#native-tuner.in-tune { border-color: var(--pico-color-green-400); box-shadow: 0 0 12px var(--pico-color-green-400); }
.tuner-note-name { font-size: 4rem; font-weight: bold; line-height: 1; }
.tuner-details { font-size: 1.1rem; margin-bottom: 1rem; color: var(--pico-secondary); }
.tuner-meter { height: 30px; background-color: var(--pico-form-element-background-color); border-radius: var(--pico-border-radius); position: relative; overflow: visible; border: 1px solid var(--pico-muted-border-color); margin-top: 1rem; background-image: linear-gradient(to right, transparent 49.8%, var(--pico-secondary) 49.8%, var(--pico-secondary) 50.2%, transparent 50.2%), linear-gradient(to right, transparent 24.9%, var(--pico-muted-border-color) 24.9%, var(--pico-muted-border-color) 25.1%, transparent 25.1%, transparent 74.9%, var(--pico-muted-border-color) 74.9%, var(--pico-muted-border-color) 75.1%, transparent 75.1% ); background-size: 100% 100%; background-repeat: no-repeat; }
.tuner-indicator { position: absolute; top: 0; left: 50%; width: 3px; height: 100%; background-color: var(--pico-primary); transform: translateX(-50%); transition: left 0.1s linear, background-color 0.1s; border-radius: 2px; }
.tuner-note-name.note-in-tune { color: var(--pico-color-green-500); transition: color 0.1s; }
#native-tuner.in-tune .tuner-indicator { background-color: var(--pico-color-green-500) !important; }
.tuner-mark { position: absolute; bottom: -22px; transform: translateX(-50%); font-size: 0.8rem; color: var(--pico-secondary); }
#native-tuner.in-tune .tuner-note-name { color: #10B981 !important; text-shadow: 0 4px 20px rgba(16, 185, 129, 0.4); }
#native-tuner.in-tune .tuner-indicator { background-color: #10B981 !important; box-shadow: 0 0 10px #10B981; }

.metronome-indicator-light { width: 20px; height: 20px; background-color: var(--pico-muted-background-color); border: 2px solid var(--pico-muted-border-color); border-radius: 50%; margin: 1rem auto; transition: background-color 0.05s, transform 0.05s; }
.metronome-indicator-light.beat-1 { background-color: var(--pico-color-azure-400); transform: scale(1.2); }
.metronome-indicator-light.beat-other { background-color: var(--pico-color-gray-400); transform: scale(1.1); }
#metronome-visual-indicator.beat-1 { background-color: var(--primary-blue) !important; box-shadow: 0 0 15px var(--primary-blue); }
#metronome-visual-indicator.beat-other { background-color: #10B981 !important; box-shadow: 0 0 15px #10B981; }
#metronome-circle { transition: all 0.05s ease-out; }
#metronome-circle.beat-1 { background-color: rgba(239, 68, 68, 0.15) !important; border-color: #ef4444 !important; box-shadow: 0 0 35px rgba(239, 68, 68, 0.4) !important; transform: scale(1.05); }
#metronome-circle.beat-other { background-color: rgba(59, 130, 246, 0.15) !important; box-shadow: 0 0 25px rgba(59, 130, 246, 0.3) !important; transform: scale(1.02); }

.iframe-container { position: relative; overflow: hidden; width: 100%; padding-top: 125%; border: 1px solid var(--pico-muted-border-color); border-radius: var(--pico-border-radius); background-color: var(--pico-card-background-color); }
.iframe-container iframe { position: absolute; top: 0; left: 0; bottom: 0; right: 0; width: 100%; height: 100%; border: 0; }

/* =========================================
   🛠️ 6. SWEETALERT2 FIXES
   ========================================= */

/* FINAL FIX: SweetAlert2 popup adaptive background and text coloring per theme. */
.swal2-popup {
    background: var(--card-bg, #ffffff) !important;
    color: var(--text-main, #1e293b) !important;
}

/* Light theme defaults */
html[data-theme="light"] .swal2-popup {
    background: #ffffff !important;
    color: #1e293b !important;
}

/* 🌙 Dark theme */
html[data-theme="dark"] .swal2-popup {
    background: var(--pico-card-background-color, #1f2937) !important;
    color: var(--pico-color, #f3f4f6) !important;
    border: 1px solid var(--input-border, #334155) !important;
}

/* 🌈 Rainbow theme */
html[data-theme="rainbow"] .swal2-popup {
    background: var(--pico-card-background-color, rgba(255, 255, 255, 0.85)) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    color: var(--pico-color, #111827) !important;
    border: 1px solid var(--pico-card-border-color, rgba(209, 213, 219, 0.5)) !important;
}

/* Force all popup descendants to inherit adaptive color */
.swal2-popup,
.swal2-popup .swal2-title,
.swal2-popup .swal2-html-container,
.swal2-popup .swal2-html-container p,
.swal2-popup .swal2-html-container small,
.swal2-popup .swal2-html-container div,
.swal2-popup .swal2-html-container label,
.swal2-popup #notification-list-container,
.swal2-popup #notification-list-container * {
    color: inherit !important;
}

/* Ensure specific dark theme texts follow the dark text variable */
html[data-theme="dark"] .swal2-popup .swal2-title,
html[data-theme="dark"] .swal2-popup .swal2-html-container,
html[data-theme="dark"] .swal2-popup #notification-list-container,
html[data-theme="dark"] .swal2-popup #notification-list-container * {
    color: var(--pico-color, #f3f4f6) !important;
}

/* Ensure specific rainbow theme texts follow the dark text variable */
html[data-theme="rainbow"] .swal2-popup .swal2-title,
html[data-theme="rainbow"] .swal2-popup .swal2-html-container,
html[data-theme="rainbow"] .swal2-popup #notification-list-container,
html[data-theme="rainbow"] .swal2-popup #notification-list-container * {
    color: var(--pico-color, #111827) !important;
}

/* Inputs/Selects inside Swal popup: respect theme colors */
.swal2-popup .swal2-input,
.swal2-popup .swal2-select,
.swal2-popup .swal2-textarea {
    background-color: var(--input-bg, #f8fafc) !important;
    color: var(--text-main, #1e293b) !important;
    border: 1px solid var(--input-border, #cbd5e1) !important;
}

html[data-theme="dark"] .swal2-input,
html[data-theme="dark"] .swal2-select,
html[data-theme="dark"] .swal2-textarea {
    background-color: var(--input-bg, #0f172a) !important;
    color: var(--text-main, #f3f4f6) !important;
    border: 1px solid var(--input-border, #334155) !important;
}

/* Timestamp slightly muted in all themes */
.swal2-popup #notification-list-container small,
html[data-theme="dark"] .swal2-popup #notification-list-container small,
html[data-theme="rainbow"] .swal2-popup #notification-list-container small {
    color: var(--pico-muted-color, #64748b) !important;
}

/* Notification item polish — subtle hover + clear unread state */
.swal2-popup .notification-item {
    border-radius: 0.75rem;
    transition: background-color 0.15s ease;
}
.swal2-popup .notification-item:hover {
    background-color: rgba(59, 130, 246, 0.08) !important;
}
.swal2-popup .notification-item.unread {
    border-left: 3px solid #3B82F6 !important;
}

.swal2-popup .swal2-actions button.swal2-styled {
    color: #ffffff !important; font-weight: 700 !important;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5) !important; 
    border-radius: 12px !important; border: none !important;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1) !important;
}
.swal2-popup .swal2-confirm { background-color: #2563eb !important; }
.swal2-popup .swal2-cancel { background-color: #64748b !important; }
.swal2-popup .swal2-deny { background-color: #f59e0b !important; }

/* =========================================
   🚀 7. MOBILE FULL-SCREEN & RESPONSIVE (@media)
   ========================================= */
@media (max-width: 992px) {
    .admin-container { flex-direction: column; }
    .admin-sidebar { width: 100%; position: static; }
    .panel.col-span-8, .panel.col-span-4 { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    /* 1. บังคับพื้นหลังชั้นล่างสุดให้กลืนไปกับ Theme และลบขอบทั้งหมด */
    html, body {
        margin: 0 !important; padding: 0 !important;
        background-color: var(--main-bg, var(--pico-background-color)) !important;
        background-image: none !important; 
        width: 100vw !important; overflow-x: hidden !important;
        min-height: auto !important;
    }

    /* 2. ทุบกล่องขาวโค้งมน (main) ทิ้ง ให้โปร่งใสและแนบจอ */
    body > main, main.container, .container, #sd-app-container, #dashboard-section {
        margin: 0 !important; padding: 0 !important;
        width: 100vw !important; max-width: 100vw !important;
        border: none !important; border-radius: 0 !important; 
        box-shadow: none !important;
        background: transparent !important; 
        backdrop-filter: none !important;
        min-height: auto !important; height: auto !important;
    }

    /* 3. จัดการให้เนื้อหาภายในมีพื้นที่ขอบ */
    #sd-content { padding: 0 1rem !important; }
    
    article {
        margin: 0 !important; border: none !important; border-radius: 0 !important;
        padding: 1rem !important; background: var(--main-bg) !important; 
    }

    /* 4. ดึงการ์ดสีฟ้าให้ทะลุซ้ายขวาแนบขอบจอ */
    .sd-unified-card {
        margin: 0 -1rem 1.5rem -1rem !important; 
        width: calc(100% + 2rem) !important; 
        border-radius: 0 0 24px 24px !important; 
    }
    
    /* 5. ปรับแถบเมนู (Tabs) ให้แนบขอบจอซ้าย-ขวา-บน */
    .sd-tabs {
        margin: 0 -1rem !important; padding: 0 0.5rem !important;
        width: calc(100% + 2rem) !important; 
        border-radius: 0 !important;
        border-left: none !important; border-right: none !important; border-top: none !important;
        border-bottom: 1px solid var(--pico-muted-border-color) !important;
        background: var(--pico-card-background-color) !important;
    }

    .top-nav {
        margin: 0 !important; border-radius: 0 !important;
        border-left: none !important; border-right: none !important; border-top: none !important;
        width: 100% !important;
    }
    
    /* 6. ซ่อน Header เก่า */
    #user-info-wrapper { display: none !important; }
    
    /* 7. ขยับปุ่มพระจันทร์ลงมาอยู่ใต้แถบเมนู จะได้กดง่ายๆ */
    .theme-switcher-wrapper {
        top: 2rem !important; right: 1rem !important;
        z-index: 9999 !important;
        background: rgba(var(--pico-card-background-color), 0.8); 
        border-radius: 100%;
    }

    /* 8. อื่นๆ สำหรับมือถือ */
    .admin-tabs { flex-direction: column; overflow-x: hidden; align-items: stretch; }
    .admin-tab-btn { text-align: center; }
    table td, table th { white-space: nowrap; padding: 0.5rem 0.75rem; }
    .action-cell { min-width: 240px; }
    #update-notification button { background-color: #4f46e5; color: white; box-shadow: var(--pico-box-shadow); border: none; padding: 0.75rem 1.5rem; border-radius: 0.75rem; font-weight: 600; }
    .panel.col-span-6 { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
    .profile-actions-section { justify-content: center; width: 100%; margin-top: 0.5rem; }
}

/* =========================================
   🌞 8. THEME SWITCHER ICONS FIX (แก้ไอคอนพระอาทิตย์/ดวงจันทร์หาย)
   ========================================= */
html[data-theme="light"] .theme-switcher .sun,
body[data-theme="light"] .theme-switcher .sun,
[data-theme="light"] .theme-switcher .sun { 
    display: block !important; 
}

html[data-theme="dark"] .theme-switcher .moon,
body[data-theme="dark"] .theme-switcher .moon,
[data-theme="dark"] .theme-switcher .moon { 
    display: block !important; 
}

html[data-theme="rainbow"] .theme-switcher .rainbow,
body[data-theme="rainbow"] .theme-switcher .rainbow,
[data-theme="rainbow"] .theme-switcher .rainbow { 
    display: block !important; 
}

/* =========================================
   🎛️ ทำให้เมนูด้านบนเลื่อนซ้าย-ขวาได้ (Scrollable Tabs)
   ========================================= */
.sd-tabs {
    display: flex !important;
    flex-wrap: nowrap !important;         /* บังคับไม่ให้ตัดขึ้นบรรทัดใหม่ */
    overflow-x: auto !important;          /* เปิดให้ปัดเลื่อนแนวนอนได้ */
    overflow-y: hidden !important;
    -webkit-overflow-scrolling: touch !important; /* ทำให้การใช้นิ้วปัดบนมือถือลื่นไหล (Smooth) */
    scrollbar-width: none !important;     /* ซ่อนแถบ Scrollbar น่าเกลียดๆ (Firefox) */
    justify-content: flex-start !important; /* เรียงปุ่มจากซ้ายไปขวา */
}

/* ซ่อนแถบ Scrollbar สำหรับ Chrome/Safari */
.sd-tabs::-webkit-scrollbar {
    display: none !important; 
}

.sd-tab {
    flex: 0 0 auto !important;            /* ✨ ปลดล็อก! บังคับไม่ให้ปุ่มยืดเต็มจอ */
    width: auto !important;               /* ✨ ให้ความกว้างพอดีกับตัวหนังสือ */
    white-space: nowrap !important;       /* ไม่ให้ตัวหนังสือถูกตัดลงบรรทัดใหม่ */
    padding: 0.8rem 1rem !important;    /* ปรับความอ้วนของปุ่มให้กดง่าย */
}

/* ═══════════════════════════════════════════════════════════════════════════
   🚫 SOFT-BLOCK STATE — student is logged in, can navigate + use practice
   tools + watch clips, but cannot perform write actions (borrow / return /
   submit clip / edit profile). The JS interceptor in ui.js does the actual
   blocking via a `.sb-deny` class on each blocked element. We only style
   here.
   ═══════════════════════════════════════════════════════════════════════════ */

/* Buttons / links explicitly tagged as "deny when soft-blocked" appear faded
   so the user understands at a glance that they are unavailable. */
body[data-soft-blocked="true"] .sb-deny {
    opacity: 0.55 !important;
    cursor: not-allowed !important;
    filter: grayscale(0.4);
}

/* The banner is fixed to the top of the viewport; reserve space for it */
body[data-soft-blocked="true"] main,
body[data-soft-blocked="true"] #sd-app {
    margin-top: 80px !important;
}

/* The banner sticks to the top of the viewport and explains the block */
.sb-banner {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 9998;
    background: linear-gradient(90deg, #f59e0b, #ef4444);
    color: #fff;
    padding: 0.85rem 1rem;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35);
    display: flex; align-items: center; justify-content: center; gap: 0.6rem;
    flex-wrap: wrap;
}
.sb-banner small {
    display: block; width: 100%; font-weight: 400; opacity: 0.92;
    font-size: 0.85rem; margin-top: 0.2rem;
}
.sb-banner-btn {
    pointer-events: auto !important;
    background: #fff; color: #b91c1c;
    border: 0; border-radius: 999px;
    padding: 0.35rem 0.9rem; font-weight: 700; font-size: 0.85rem;
    cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════════
   🔔 Admin Notification Bell + Dropdown (v2 — refined design)
   ═══════════════════════════════════════════════════════════════ */
.oad-bell-wrap {
    position: relative;
    display: inline-flex;
    flex-shrink: 0;
    margin-right: 0.25rem;
}
.oad-bell {
    width: 44px !important;
    height: 44px !important;
    min-width: 44px;
    border-radius: 12px !important;
    background: linear-gradient(135deg, #3B82F6 0%, #2563eb 100%) !important;
    border: 0 !important;
    color: #fff !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.35rem !important;
    box-shadow: 0 4px 12px rgba(59,130,246,0.35);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    position: relative;
    padding: 0 !important;
    line-height: 1;
}
.oad-bell:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 20px rgba(59,130,246,0.5);
}
.oad-bell:active { transform: translateY(0) scale(0.98); }

.oad-bell-badge {
    position: absolute;
    top: -6px; right: -6px;
    background: #ef4444;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 999px;
    min-width: 22px;
    height: 22px;
    text-align: center;
    line-height: 18px;
    border: 2.5px solid var(--card-bg, #fff);
    animation: oad-bell-pulse 1.6s ease-in-out infinite;
    box-shadow: 0 2px 6px rgba(239,68,68,0.4);
    white-space: nowrap;
}
.oad-bell-badge.critical {
    background: #dc2626;
    animation: oad-bell-pulse-red 1.4s ease-in-out infinite;
}
.oad-bell-badge.warning { background: #f59e0b; }
.oad-bell-badge.hidden { display: none !important; }

@keyframes oad-bell-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.12); }
}
@keyframes oad-bell-pulse-red {
    0%   { box-shadow: 0 0 0 0 rgba(220,38,38,0.6); transform: scale(1); }
    50%  { box-shadow: 0 0 0 8px rgba(220,38,38,0); transform: scale(1.1); }
    100% { box-shadow: 0 0 0 0 rgba(220,38,38,0); transform: scale(1); }
}

.oad-notif-panel {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 420px;
    max-width: calc(100vw - 2rem);
    max-height: 560px;
    background: var(--card-bg, #fff);
    border-radius: 18px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow:
        0 20px 50px -10px rgba(15, 23, 42, 0.25),
        0 8px 16px -8px rgba(15, 23, 42, 0.15);
    z-index: 9999;
    overflow: hidden;
    display: none;
    flex-direction: column;
}
.oad-notif-panel.open {
    display: flex;
    animation: oad-panel-in 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes oad-panel-in {
    from { opacity: 0; transform: translateY(-12px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.oad-notif-header {
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, #3B82F6 0%, #2563eb 100%);
    color: #fff;
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-shrink: 0;
    flex-wrap: nowrap;
}
.oad-notif-header h4 {
    margin: 0 !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    color: #fff !important;
    letter-spacing: 0.01em;
    white-space: nowrap;
    text-align: left !important;
    flex: 1;
}
.oad-notif-header button {
    background: rgba(255,255,255,0.18);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.28);
    padding: 0.4rem 0.85rem;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    flex-shrink: 0;
}
.oad-notif-header button:hover {
    background: rgba(255,255,255,0.28);
    transform: translateY(-1px);
}

.oad-notif-filters {
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.15);
    background: var(--input-bg, #f8fafc);
    display: flex !important;
    flex-direction: row !important;
    gap: 0.4rem;
    flex-wrap: wrap !important;
    align-items: center;
    flex-shrink: 0;
}
.oad-notif-pill {
    padding: 0.38rem 0.85rem !important;
    border-radius: 999px !important;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1.5px solid rgba(148, 163, 184, 0.3);
    background: var(--card-bg, #fff);
    color: var(--text-main, #475569);
    cursor: pointer;
    transition: all 0.18s;
    white-space: nowrap;
    line-height: 1.2;
}
.oad-notif-pill:hover {
    transform: translateY(-1px);
    border-color: #3B82F6;
    color: #3B82F6;
}
.oad-notif-pill.active {
    background: linear-gradient(135deg, #3B82F6 0%, #2563eb 100%);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 3px 8px rgba(59,130,246,0.3);
}

.oad-notif-list {
    flex: 1;
    overflow-y: auto;
    max-height: 380px;
    background: var(--card-bg, #fff);
}
.oad-notif-list::-webkit-scrollbar { width: 8px; }
.oad-notif-list::-webkit-scrollbar-track { background: transparent; }
.oad-notif-list::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.3);
    border-radius: 4px;
}
.oad-notif-list::-webkit-scrollbar-thumb:hover { background: rgba(148, 163, 184, 0.5); }

.oad-notif-item {
    padding: 0.9rem 1.1rem 0.9rem 1rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    cursor: pointer;
    transition: all 0.15s;
    border-left: 4px solid transparent;
    position: relative;
}
.oad-notif-item:last-child { border-bottom: 0; }
.oad-notif-item:hover {
    background: var(--input-bg, #f8fafc);
    padding-left: 1.15rem;
}
.oad-notif-item.unread {
    background: linear-gradient(90deg, rgba(59,130,246,0.06) 0%, transparent 100%);
}
.oad-notif-item.unread::after {
    content: '';
    position: absolute;
    top: 50%; right: 1rem;
    transform: translateY(-50%);
    width: 8px; height: 8px;
    background: #3B82F6;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}
.oad-notif-item.critical { border-left-color: #dc2626; }
.oad-notif-item.warning  { border-left-color: #f59e0b; }
.oad-notif-item.info     { border-left-color: #3B82F6; }

.oad-notif-title {
    font-weight: 700;
    font-size: 0.92rem;
    margin-bottom: 0.3rem;
    color: var(--text-main, #0f172a);
    line-height: 1.35;
    padding-right: 1.5rem;
}
.oad-notif-body {
    font-size: 0.83rem;
    line-height: 1.5;
    color: var(--text-muted, #64748b);
    padding-right: 1.5rem;
}
.oad-notif-meta {
    font-size: 0.7rem;
    color: var(--text-muted, #94a3b8);
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}
.oad-notif-meta::before {
    content: '🕐';
    font-size: 0.75rem;
}

.oad-notif-empty {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-muted, #94a3b8);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Dark mode */
[data-theme="dark"] .oad-notif-panel {
    background: #1f2937;
    border-color: rgba(55, 65, 81, 0.6);
    box-shadow:
        0 20px 50px -10px rgba(0, 0, 0, 0.5),
        0 8px 16px -8px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .oad-notif-filters {
    background: rgba(17, 24, 39, 0.6);
    border-bottom-color: rgba(55, 65, 81, 0.5);
}
[data-theme="dark"] .oad-notif-pill {
    background: #111928;
    color: #cbd5e1;
    border-color: rgba(75, 85, 99, 0.5);
}
[data-theme="dark"] .oad-notif-item:hover { background: rgba(31, 41, 55, 0.5); }
[data-theme="dark"] .oad-notif-item.unread {
    background: linear-gradient(90deg, rgba(59,130,246,0.12) 0%, transparent 100%);
}
[data-theme="dark"] .oad-notif-title { color: #f3f4f6; }
[data-theme="dark"] .oad-notif-body  { color: #94a3b8; }
[data-theme="dark"] .oad-notif-item { border-bottom-color: rgba(55, 65, 81, 0.4); }

/* Mobile — บนมือถือใช้ fixed position แทน absolute เพื่อกัน overflow ซ้าย/ขวา */
@media (max-width: 640px) {
    .oad-notif-panel {
        position: fixed !important;
        top: 70px !important;
        left: 0.5rem !important;
        right: 0.5rem !important;
        bottom: auto !important;
        width: auto !important;
        max-width: none !important;
        max-height: calc(100vh - 90px) !important;
        border-radius: 16px;
    }
    .oad-notif-panel::before {
        display: none !important;  /* ซ่อน arrow บน mobile เพราะ panel ไม่ผูกกับ bell แล้ว */
    }
    .oad-notif-list {
        max-height: calc(100vh - 240px) !important;
    }
}