/* ==========================================================================
   TG-BOT WEB PORTAL & ADMIN DASHBOARD DESIGN SYSTEM
   ========================================================================== */

:root {
    --bg-main: #0B0F19;
    --bg-surface: rgba(17, 24, 39, 0.85);
    --bg-surface-hover: rgba(30, 41, 59, 0.9);
    --bg-card: rgba(15, 23, 42, 0.75);
    --border-color: rgba(255, 255, 255, 0.09);
    --border-glow: rgba(125, 186, 0, 0.4);
    
    --smart-green: #7DBA00;
    --smart-green-light: #00E676;
    --primary: #7DBA00;
    --primary-gradient: linear-gradient(135deg, #7DBA00 0%, #00E676 100%);
    --primary-hover: linear-gradient(135deg, #6AA000 0%, #00C853 100%);
    
    --success: #00E676;
    --success-gradient: linear-gradient(135deg, #7DBA00 0%, #00E676 100%);
    
    --danger: #EF4444;
    --danger-gradient: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    
    --warning: #F59E0B;
    --purple: #8B5CF6;
    --cyan: #06B6D4;
    
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --text-dim: #64748B;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-pill: 9999px;
    
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(125, 186, 0, 0.3);
    
    --font-primary: 'Inter', 'Kantumruy Pro', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Outfit', 'Kantumruy Pro', sans-serif;
    --font-mono: 'Consolas', 'Courier New', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-primary);
}

body {
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(at 10% 10%, rgba(125, 186, 0, 0.14) 0px, transparent 50%),
        radial-gradient(at 90% 90%, rgba(0, 230, 118, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* NAVBAR */
.navbar {
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 12px 24px;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-top-row {
    display: flex;
    align-items: center;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 42px;
    height: 42px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #FFF;
    box-shadow: var(--shadow-glow);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-text .title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: 0.5px;
}

.badge-v {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary);
    border: 1px solid rgba(59, 130, 246, 0.4);
    font-size: 11px;
    padding: 2px 7px;
    border-radius: var(--radius-pill);
    margin-left: 4px;
}

.brand-text .subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

/* NAV TABS */
.nav-tabs {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 4px;
    border-radius: var(--radius-pill);
    overflow-x: auto;
}

.nav-tab {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.nav-tab:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.nav-tab.active {
    background: var(--primary-gradient);
    color: #FFF;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.server-status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;

}
.status-dot.green { background-color: var(--success); box-shadow: 0 0 10px var(--success); }
.status-dot.red { background-color: var(--danger); box-shadow: 0 0 10px var(--danger); }

/* MAIN LAYOUT */
.main-content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 24px;
    width: 100%;
    flex: 1;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* HERO BANNER */
.hero-banner {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.gradient-icon {
    color: #F59E0B;
}

.hero-content p {
    color: var(--text-muted);
    font-size: 14px;
}

.search-box {
    position: relative;
    width: 340px;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
}

.search-box input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    padding: 11px 16px 11px 40px;
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 255, 255, 0.08);
}

/* CATEGORY TABS SELECTION BAR (USER PORTAL) */
.category-tabs-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.cat-tab-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.cat-tab-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(59, 130, 246, 0.4);
}

.cat-tab-btn.active {
    background: var(--primary-gradient);
    color: #FFFFFF;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.35);
}

.tab-stock-pill {
    background: rgba(0, 0, 0, 0.3);
    color: #E2E8F0;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-pill);
}

.cat-tab-btn.active .tab-stock-pill {
    background: rgba(255, 255, 255, 0.25);
    color: #FFFFFF;
}

/* VIEW MODE BUTTONS & MODES (USER PORTAL) */
.view-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.view-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.08);
}

.view-btn.active {
    background: var(--primary-gradient);
    color: #0B0F19;
    font-weight: 700;
    box-shadow: var(--shadow-glow);
}

/* 1. GRID 2-COLUMN VIEW (COMPACT MOBILE CARDS) */
.categories-container.view-grid .sub-menus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    padding: 14px 16px;
}

.categories-container.view-grid .sub-menu-card {
    padding: 10px 12px;
    gap: 8px;
    border-radius: var(--radius-md);
}

.categories-container.view-grid .sub-menu-title {
    font-size: 13px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.categories-container.view-grid .stock-badge {
    padding: 2px 8px;
    font-size: 11px;
}

.categories-container.view-grid .btn {
    padding: 8px 10px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

/* 2. LIST COMPACT VIEW (SLIM INLINE ROWS) */
.categories-container.view-list .sub-menus-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px 16px;
}

.categories-container.view-list .sub-menu-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    gap: 12px;
    border-radius: var(--radius-md);
}

.categories-container.view-list .sub-menu-title {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    margin: 0;
}

.categories-container.view-list .btn {
    width: auto;
    padding: 6px 14px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

/* CATEGORIES ACCORDION / GRID (USER PORTAL) */
.categories-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.main-cat-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.main-cat-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-cat-header h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--smart-green);
}

.sub-menus-grid {
    padding: 14px 16px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.sub-menu-card-item {
    width: 100%;
}

.sub-menu-telegram-btn {
    width: 100%;
    height: 48px;
    padding: 6px 12px;
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    color: #FFFFFF;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.btn-content-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    font-size: 14.5px;
    font-weight: 700;
    color: #FFFFFF !important;
}

.btn-name {
    color: #FFFFFF !important; /* Pure White (ពណ៍សសុទ្ធ) */
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.stock-num {
    color: #FFFFFF !important; /* Pure White (ពណ៍សសុទ្ធ) */
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    line-height: 1.2;
    opacity: 0.95;
}

.sub-menu-telegram-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
    border-color: #FFFFFF;
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.5);
    transform: translateY(-2px);
}

.sub-menu-telegram-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.sub-menu-telegram-btn:disabled,
.sub-menu-telegram-btn.no-stock {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(30, 41, 59, 0.7) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    box-shadow: none !important;
}

.sub-menu-telegram-btn.no-stock .btn-name,
.sub-menu-telegram-btn.no-stock .stock-num {
    color: #94a3b8 !important;
}

@media (max-width: 440px) {
    .sub-menus-grid {
        padding: 10px 8px;
        gap: 8px;
    }
    .sub-menu-telegram-btn {
        height: 46px;
        padding: 4px 8px;
    }
    .btn-content-row {
        font-size: 13.5px;
        gap: 4px;
    }
    .stock-num {
        font-size: 13px;
    }
}

.sub-menu-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 14px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sub-menu-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4), var(--shadow-glow);
    background: rgba(255, 255, 255, 0.06);
}

.sub-menu-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sub-menu-title span {
    font-weight: 600;
    font-size: 15px;
}

.stock-badge {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.stock-badge.has-stock {
    background: rgba(125, 186, 0, 0.15);
    color: var(--smart-green-light);
    border: 1px solid rgba(125, 186, 0, 0.35);
}

.stock-badge.no-stock {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* BUTTONS */
.btn {
    border: none;
    border-radius: var(--radius-md);
    padding: 11px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-block { width: 100%; }

.btn-primary {
    background: var(--primary-gradient);
    color: #0B0F19;
    font-weight: 700;
}
.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success-gradient);
    color: #FFF;
}

.btn-danger {
    background: var(--danger-gradient);
    color: #FFF;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

.btn-icon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
}
.btn-icon:hover { background: var(--primary); }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* SECTION HEADER */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-buttons {
    display: flex;
    gap: 10px;
}

/* STATS GRID */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.stat-icon.cyan { background: rgba(6, 182, 212, 0.15); color: var(--cyan); }
.stat-icon.green { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--purple); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
}

/* DASHBOARD GRID */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}

.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.dashboard-card h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.stock-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    max-height: 380px;
    overflow-y: auto;
}

.stock-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.system-status-box {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.badge {
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
}

.green-badge { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.red-badge { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.blue-badge { background: rgba(59, 130, 246, 0.15); color: var(--primary); }
.purple-badge { background: rgba(139, 92, 246, 0.15); color: var(--purple); }

/* TABLES */
.filter-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 20px;
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.search-input-group {
    position: relative;
    flex: 1;
    min-width: 240px;
}

.search-input-group i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
}

.search-input-group input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 9px 14px 9px 38px;
    color: var(--text-main);
    outline: none;
}

.select-group {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-muted);
}

.select-group select, select {
    background: #1E293B;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 9px 14px;
    border-radius: var(--radius-sm);
    outline: none;
}

.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin-bottom: 20px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th {
    background: rgba(255, 255, 255, 0.04);
    padding: 14px 20px;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.pagination-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 13px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* TOKEN BANNER CARD */
.token-banner-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    margin-bottom: 24px;
    box-shadow: 0 10px 30px -10px rgba(245, 158, 11, 0.15);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.token-banner-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.token-banner-header h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: #FBBF24;
    display: flex;
    align-items: center;
    gap: 10px;
}

.token-banner-header p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

.token-input-row {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.flex-1 { flex: 1; min-width: 280px; }

.gradient-gold { color: #F59E0B; }

/* COMBINED COPY BOX */
.combined-copy-box {
    background: #020617;
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.combined-copy-box:hover {
    border-color: var(--primary);
    background: rgba(15, 23, 42, 0.9);
    box-shadow: var(--shadow-glow);
}

.combined-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.combined-info small {
    color: var(--text-dim);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
}


.pagination-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-indicator {
    font-weight: 600;
    color: var(--text-main);
}

/* EXCEL TOOLS */
.excel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.excel-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.cyan-bg { background: rgba(6, 182, 212, 0.15); color: var(--cyan); }
.green-bg { background: rgba(16, 185, 129, 0.15); color: var(--success); }

.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    position: relative;
}

.drop-zone:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
}

.drop-zone input[type="file"] {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0;
    cursor: pointer;
}

.drop-icon { font-size: 32px; color: var(--primary); }
.drop-text { color: var(--text-muted); font-size: 14px; }
.file-preview-name { font-weight: 600; color: var(--success); font-size: 14px; }

.export-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

/* MENU MANAGEMENT BUILDER (TREE VIEW ACCORDION) */
.menu-builder-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.menu-group-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.25s ease;
}

.menu-group-card:hover {
    border-color: var(--border-glow);
}

.menu-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    user-select: none;
    flex-wrap: wrap;
    gap: 12px;
    transition: background 0.2s ease;
}

.menu-group-header:hover {
    background: rgba(255, 255, 255, 0.06);
}

.menu-group-header h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--smart-green);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.tree-icon {
    font-size: 14px;
    color: var(--smart-green);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.sub-menu-list {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 10px;
    animation: fadeIn 0.25s ease;
}

.sub-menu-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    transition: all 0.2s ease;
}

.sub-menu-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
}

/* BOT CONTROL TAB */
.bot-control-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
}

@media (max-width: 1024px) {
    .bot-control-grid { grid-template-columns: 1fr; }
}

.bot-config-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.form-group input, input[type="text"], input[type="password"] {
    background: #1E293B;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    outline: none;
    font-size: 14px;
}

.input-with-button {
    display: flex;
    gap: 8px;
}

.input-with-button input { flex: 1; }

.bot-status-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.bot-status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.btn-group { display: flex; gap: 10px; }

.terminal-window {
    background: #020617;
    border: 1px solid #1E293B;
    border-radius: var(--radius-md);
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: #38BDF8;
    height: 380px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.terminal-line { line-height: 1.5; word-break: break-all; }
.red-text { color: var(--danger); }
.green-text { color: var(--success); }

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active { display: flex; animation: fadeIn 0.2s ease; }

.modal-card {
    background: #0F172A;
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

.modal-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 22px; cursor: pointer; }

.modal-body { padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.modal-footer { padding: 16px 24px; background: rgba(255, 255, 255, 0.02); border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 10px; }

.claim-result-box {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: center;
}

.category-pill {
    background: var(--primary-gradient);
    color: #FFF;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    align-self: center;
    font-size: 13px;
}

.credential-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: left;
}

.credential-field label { font-size: 11px; color: var(--text-muted); font-weight: 700; }

.copy-field {
    background: #020617;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.field-val { font-family: var(--font-primary); font-weight: 700; font-size: 17px; color: var(--text-main); letter-spacing: normal; }

/* TOAST NOTIFICATIONS */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
}

.toast {
    background: #1E293B;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary);
    color: var(--text-main);
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   MOBILE RESPONSIVE SYSTEM (@media max-width: 900px & 600px)
   ========================================================================== */

@media (max-width: 900px) {
    .navbar {
        padding: 10px 14px;
    }

    .nav-container {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .brand {
        justify-content: space-between;
        width: 100%;
    }

    .nav-actions {
        display: flex;
        align-items: center;
    }

    .server-status-pill {
        padding: 4px 10px;
        font-size: 11px;
    }

    /* Scrollable Horizontal Tabs Bar for Mobile */
    .nav-tabs {
        width: 100%;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius-md);
        padding: 4px;
        scrollbar-width: none; /* Firefox */
    }

    .nav-tabs::-webkit-scrollbar {
        display: none; /* Chrome/Safari */
    }

    .nav-tab {
        padding: 8px 12px;
        font-size: 12px;
        flex-shrink: 0;
    }

    .main-content {
        padding: 14px 10px;
    }

    .hero-banner {
        padding: 20px 14px;
        border-radius: var(--radius-md);
    }

    .hero-content h1 {
        font-size: 18px;
        line-height: 1.4;
    }

    .hero-content p {
        font-size: 12px;
    }

    .search-box input {
        font-size: 13px;
        padding: 12px 14px 12px 38px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card {
        padding: 14px;
        gap: 10px;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .stat-value {
        font-size: 20px;
    }

    .dashboard-grid, .bot-control-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .filter-card {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .search-input-group {
        width: 100%;
    }

    .filter-group {
        width: 100%;
        justify-content: space-between;
    }

    .filter-group select {
        flex: 1;
    }

    /* Mobile Date Filter Layout */
    .date-filter-group {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .date-filter-group > div {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
    }

    .date-filter-group .date-input {
        flex: 1;
        width: 100%;
    }

    .date-filter-group .btn {
        width: 100%;
        justify-content: center;
        padding: 10px 14px;
        font-size: 13px;
    }

    /* Table Mobile Card Transformation */
    .table-container {
        border-radius: var(--radius-md);
        box-shadow: none;
        background: transparent;
        border: none;
        overflow-x: visible;
    }

    .data-table, .data-table thead, .data-table tbody, .data-table th, .data-table td, .data-table tr {
        display: block;
    }

    .data-table thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    .data-table tr {
        background: var(--bg-card);
        backdrop-filter: blur(12px);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: 14px;
        padding: 14px 16px;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    }

    .data-table td {
        border: none;
        padding: 9px 0;
        text-align: right;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
        word-break: break-all;
    }

    .data-table td:last-child {
        border-bottom: none;
    }

    .data-table td::before {
        content: attr(data-label);
        font-weight: 700;
        color: var(--smart-green);
        font-size: 12px;
        letter-spacing: 0.5px;
        text-align: left;
        flex-shrink: 0;
        margin-right: 12px;
    }

    .data-table td[data-label="សេចក្តីលម្អិតតាម Menu"],
    .data-table td[data-label="សេចក្តីលម្អិតតាម Category"] {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
    }

    .data-table td[data-label="សេចក្តីលម្អិតតាម Menu"]::before,
    .data-table td[data-label="សេចក្តីលម្អិតតាម Category"]::before {
        margin-right: 0 !important;
        margin-bottom: 2px !important;
    }

    .data-table td[data-label="ឈ្មោះអ្នកប្រើប្រាស់"] {
        word-break: break-word !important;
        gap: 6px;
        flex-wrap: wrap;
    }

    .sum-breakdown-container {
        justify-content: flex-start !important;
    }
}

.sum-breakdown-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
}

.sum-breakdown-container .badge {
    white-space: nowrap;
    margin: 0 !important;
}

@media (max-width: 600px) {
    .brand-text .title {
        font-size: 14px;
    }

    .brand-text .subtitle {
        font-size: 10px;
    }

    .brand-logo {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .hero-content h1 {
        font-size: 16px;
    }

    .categories-container {
        gap: 14px;
    }

    .main-cat-header {
        padding: 12px 14px;
    }

    .main-cat-title {
        font-size: 15px;
    }

    /* Sub-menu grid responsive columns on mobile */
    .sub-menu-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)) !important;
        gap: 10px !important;
        padding: 12px !important;
    }

    .sub-menu-card {
        padding: 10px !important;
    }

    .sub-menu-title {
        font-size: 12px;
    }

    .btn-claim {
        padding: 8px 10px;
        font-size: 12px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .modal-card {
        max-width: 95vw;
        border-radius: var(--radius-md);
    }

    .modal-header {
        padding: 14px 16px;
    }

    .modal-header h3 {
        font-size: 14px;
    }

    .modal-body {
        padding: 16px;
    }

    .combined-copy-box {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
        text-align: center;
    }

    #btn-copy-both-icon {
        width: 100%;
    }

    #toast-container {
        left: 14px;
        right: 14px;
        bottom: 14px;
    }

    .toast {
        font-size: 12px;
        padding: 10px 14px;
    }
}