/* ============================================
   V Trade Scanner — Zerodha Kite Dark Theme
   70-20-10 Color Rule & V Trade Orange/Gold Accents
   ============================================ */

:root {
    /* 70% Base Canvas & Surfaces */
    --bg-primary: #12161c;
    --bg-secondary: #181e26;
    --bg-tertiary: #1f2734;
    --bg-hover: #273242;
    --bg-glass: rgba(24, 30, 38, 0.82);

    /* 20% Structure, Borders & Typography */
    --border-color: #283344;
    --border-light: #334358;
    --border-glass: rgba(255, 255, 255, 0.08);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* 10% V Trade Brand & Trading Accents */
    --accent-vtrade: #ff9800;
    --accent-vtrade-dark: #f57c00;
    --accent-vtrade-gradient: linear-gradient(135deg, #f57c00 0%, #ff9800 100%);
    --accent-super-gold: #ffb74d;

    --accent-green: #00c853;
    --accent-green-bg: rgba(0, 200, 83, 0.12);
    --accent-red: #ff1744;
    --accent-red-bg: rgba(255, 23, 68, 0.12);
    --accent-blue: #2979ff;
    --accent-yellow: #ffd600;
    --accent-cyan: #00e5ff;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(245, 124, 0, 0.25);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hidden { display: none !important; }

/* Brand Logo Styling */
.brand-logo-img {
    height: 38px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(245, 124, 0, 0.3));
    transition: transform 0.2s ease;
}
.brand-logo-img:hover {
    transform: scale(1.04);
}

/* Lucide Vector Icons */
.lucide-icon {
    width: 16px;
    height: 16px;
    stroke-width: 2.2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: text-bottom;
    flex-shrink: 0;
}
.lucide-icon.icon-lg {
    width: 20px;
    height: 20px;
}
.lucide-icon.icon-sm {
    width: 14px;
    height: 14px;
    stroke-width: 2px;
}
.lucide-icon.text-orange { color: var(--accent-vtrade); }
.lucide-icon.text-green { color: var(--accent-green); }
.lucide-icon.text-red { color: var(--accent-red); }
.lucide-icon.text-cyan { color: var(--accent-cyan); }
.lucide-icon.text-muted { color: var(--text-muted); }


/* ============================================
   LOGIN SCREEN (Zerodha Kite Style)
   ============================================ */
#login-screen {
    position: fixed; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: radial-gradient(circle at center, #18202b 0%, #0d1117 100%);
    z-index: 1000;
}

.login-card {
    width: 390px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 38px 34px;
    box-shadow: var(--shadow-card);
}

.login-logo {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 28px;
}

.login-logo-text h1 {
    font-size: 19px; font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.login-logo-text span {
    font-size: 11px; color: var(--accent-vtrade); text-transform: uppercase; letter-spacing: 0.6px; font-weight: 600;
}

.form-group { margin-bottom: 16px; }

.form-label {
    display: block; margin-bottom: 6px;
    font-size: 11px; font-weight: 600;
    color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}
.form-input:focus {
    border-color: var(--accent-vtrade);
}

.login-btn {
    width: 100%; margin-top: 8px;
    padding: 12px;
    background: var(--accent-vtrade-gradient);
    border: none; border-radius: var(--radius-sm);
    color: #fff; font-family: var(--font-sans);
    font-size: 13px; font-weight: 700;
    cursor: pointer;
    box-shadow: 0 3px 12px rgba(245, 124, 0, 0.35);
    transition: all 0.2s ease;
}
.login-btn:hover {
    opacity: 0.94;
    box-shadow: 0 5px 16px rgba(245, 124, 0, 0.5);
}


.login-error {
    margin-top: 12px;
    padding: 10px 12px;
    background: var(--accent-red-bg);
    border: 1px solid rgba(255, 23, 68, 0.3);
    border-radius: var(--radius-sm);
    color: var(--accent-red);
    font-size: 12px;
    display: none;
}
.login-error.visible { display: block; }

/* ============================================
   APP SHELL
   ============================================ */
.dashboard {
    display: none;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}
.dashboard.visible { display: flex; }

/* Header (Zerodha Kite Style + Glassmorphism) */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 2px solid var(--accent-vtrade-dark);
    flex-shrink: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.logo-text h1 {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-primary);
    line-height: 1.2;
}

.subtitle {
    font-size: 11px;
    color: var(--accent-vtrade);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

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

/* User Account Badge & Roles */
.header-user {
    display: flex; align-items: center; gap: 8px;
    padding: 5px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}
.header-user:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

.user-avatar {
    width: 24px; height: 24px; border-radius: 50%;
    background: var(--accent-vtrade-gradient);
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 700; color: #fff;
    box-shadow: 0 2px 6px rgba(245, 124, 0, 0.4);
}

.user-name { font-size: 12px; font-weight: 600; color: var(--text-primary); }

.user-role-badge {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 8px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.user-role-badge.super_admin {
    background: rgba(255, 152, 0, 0.15);
    color: #ffb74d;
    border: 1px solid rgba(255, 152, 0, 0.35);
    box-shadow: 0 0 8px rgba(255, 152, 0, 0.2);
}
.user-role-badge.admin {
    background: rgba(41, 121, 255, 0.15);
    color: #82b1ff;
    border: 1px solid rgba(41, 121, 255, 0.3);
}
.user-role-badge.user {
    background: rgba(0, 200, 83, 0.12);
    color: #69f0ae;
    border: 1px solid rgba(0, 200, 83, 0.25);
}

.user-dropdown {
    position: absolute; top: calc(100% + 6px); right: 0;
    min-width: 140px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    padding: 4px; z-index: 200; display: none;
}
.user-dropdown.show { display: block; }

.user-dropdown-item {
    padding: 8px 12px; font-size: 12px; color: var(--text-secondary);
    border-radius: 4px; cursor: pointer; transition: background 0.15s;
    display: flex; align-items: center; gap: 6px;
}
.user-dropdown-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.user-dropdown-item.danger { color: var(--accent-red); }
.user-dropdown-item.danger:hover { background: var(--accent-red-bg); }

/* Status Badge */
.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-yellow);
    transition: background 0.3s ease;
}

.status-dot.connected {
    background: var(--accent-green);
    box-shadow: 0 0 8px rgba(0, 200, 83, 0.5);
    animation: pulse-dot 2s infinite;
}

.status-dot.disconnected {
    background: var(--accent-red);
}

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

.status-text {
    color: var(--text-secondary);
}

/* Stats Row */
.stats-row {
    display: flex;
    gap: 16px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.stat-value {
    font-size: 15px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

/* ============================================
   Navigation Tabs
   ============================================ */
.tabs-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: -1px;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--accent-vtrade);
    border-bottom-color: var(--accent-vtrade);
}

.tab-count {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 10px;
    font-size: 11px;
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.tab-btn.active .tab-count {
    background: rgba(255, 152, 0, 0.15);
    color: var(--accent-vtrade);
}

.dashboard-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ============================================
   Dual Table Side-by-Side Split Container
   ============================================ */
.dual-table-container {
    display: flex;
    gap: 14px;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

.table-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    min-width: 0;
}

.table-panel-buy {
    border-top: 3px solid var(--accent-green);
}

.table-panel-sell {
    border-top: 3px solid var(--accent-red);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.panel-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.text-green { color: var(--accent-green) !important; }
.text-red { color: var(--accent-red) !important; }

.badge-buy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
}

.badge-sell {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
}

@media (max-width: 992px) {
    .dual-table-container {
        flex-direction: column;
        overflow-y: auto;
    }
    .table-panel {
        min-height: 380px;
    }
}

/* ============================================
   V Trade Scanner Sub-Navigation Bar
   ============================================ */
.subtabs-bar {
    background: #0d1117;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 4px 16px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    transition: all 0.2s ease;
}

.subtabs-bar.hidden {
    display: none !important;
}

.subtabs-group {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(22, 27, 37, 0.9);
    padding: 2px 3px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.subtab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 11.5px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.15s ease;
    line-height: 1.4;
}

.subtab-btn svg, .subtab-btn .lucide-icon {
    width: 13px;
    height: 13px;
}

.subtab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.subtab-btn.active {
    background: #1c2331;
    color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.subtab-count {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    padding: 1px 5px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 700;
    font-family: var(--font-mono);
}

.subtab-btn.active .subtab-count {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent-vtrade);
}

/* ============================================
   Super Admin Sidebar
   ============================================ */
.admin-sidebar {
    width: 220px;
    background: #141922;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.sidebar-brand {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.sidebar-tag {
    background: rgba(255, 152, 0, 0.15);
    color: var(--accent-vtrade);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.8px;
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 8px;
    flex: 1;
    overflow-y: auto;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 6px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
}

.sidebar-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-item.active {
    background: rgba(255, 152, 0, 0.15);
    color: var(--accent-vtrade);
    font-weight: 700;
    border-left: 3px solid var(--accent-vtrade);
}

.snav-icon {
    font-size: 15px;
    line-height: 1;
}

.snav-badge {
    margin-left: auto;
    padding: 2px 7px;
    border-radius: 10px;
    font-size: 10px;
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.sidebar-item.active .snav-badge {
    background: rgba(255, 152, 0, 0.25);
    color: var(--accent-vtrade);
}

/* ============================================
   Main Content Area & Toolbar
   ============================================ */
.main-content {
    flex: 1;
    padding: 14px 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.tab-pane {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}
.tab-pane.active { display: flex; }

.table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 12px;
}

.toolbar-left, .toolbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.live-indicator {
    font-size: 11px;
    color: var(--accent-green);
    font-weight: 600;
}

.source-filter-group {
    display: flex;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2px;
}

.src-btn {
    padding: 3px 10px;
    border-radius: 4px;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.src-btn.active {
    background: var(--bg-hover);
    color: var(--accent-cyan);
}

.search-box {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 12px;
    width: 180px;
    outline: none;
}
.search-box:focus { border-color: var(--accent-blue); }

.table-container {
    flex: 1;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: auto;
    box-shadow: var(--shadow-card);
}

/* ============================================
   Table & Columns
   ============================================ */
.alerts-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.alerts-table thead {
    background: var(--bg-tertiary);
    position: sticky;
    top: 0;
    z-index: 1;
}

.alerts-table th {
    padding: 8px 8px;
    text-align: left;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    user-select: none;
    cursor: pointer;
}
.alerts-table th:hover { color: var(--text-primary); }
.alerts-table th.live-th { color: var(--accent-green); }

.alerts-table td {
    padding: 8px 8px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    white-space: nowrap;
    transition: background 0.15s ease;
}

.alerts-table tbody tr:hover {
    background: var(--bg-hover);
}

.col-hidden { display: none !important; }

/* Badges & Cell Formats */
.symbol-name {
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent-vtrade);
}

.type-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.type-badge.buy {
    background: var(--accent-green-bg);
    color: var(--accent-green);
}

.type-badge.sell {
    background: var(--accent-red-bg);
    color: var(--accent-red);
}

.source-badge {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    font-family: var(--font-mono);
}
.source-badge.auto1 { background: rgba(41, 121, 255, 0.15); color: var(--accent-blue); }
.source-badge.auto2 { background: rgba(0, 229, 255, 0.15); color: var(--accent-cyan); }

.ltp-value {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 13px;
    transition: color 0.3s ease;
}

.range-display {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
}

.range-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 3px;
}

.range-track {
    flex: 1;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    position: relative;
}

.range-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-yellow);
    position: absolute;
    top: -2px;
    transform: translateX(-50%);
    transition: left 0.5s ease;
    box-shadow: 0 0 6px rgba(255, 214, 0, 0.4);
}

.pct-value {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 12px;
}

.pct-positive { color: var(--accent-green); }
.pct-negative { color: var(--accent-red); }
.pct-neutral { color: var(--text-muted); }

.indices-name { font-size: 12px; font-weight: 500; color: var(--text-secondary); }
.sector-name { font-size: 12px; font-weight: 500; color: var(--accent-yellow); }

.tf-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    color: var(--accent-cyan);
    text-align: center;
}

.gap-value {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.trend-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.trend-up { background: var(--accent-green-bg); color: var(--accent-green); }
.trend-down { background: var(--accent-red-bg); color: var(--accent-red); }
.trend-neutral { background: var(--bg-tertiary); color: var(--text-muted); }

/* ============================================
   Column Visibility Toggle Dropdown
   ============================================ */
.cols-toggle-wrapper { position: relative; }

.cols-toggle-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.cols-toggle-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.cols-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    width: 220px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    padding: 8px;
    z-index: 100;
    display: none;
    max-height: 400px;
    overflow-y: auto;
}

.cols-dropdown.show { display: block; }

.cols-dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 6px 10px 6px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 4px;
}

.cols-dropdown-header span {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.cols-dropdown-header button {
    background: none;
    border: none;
    color: var(--accent-blue);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-sans);
    padding: 2px 6px;
    border-radius: 3px;
}

.cols-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    user-select: none;
}

.cols-option:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.cols-option input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border: 1.5px solid var(--border-light);
    border-radius: 3px;
    background: var(--bg-tertiary);
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
}

.cols-option input[type="checkbox"]:checked {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.cols-option input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 3.5px;
    top: 1px;
    width: 5px;
    height: 8px;
    border: solid white;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
}

.cols-option .cols-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cols-option .cols-label.live-label { color: var(--accent-green); }

/* ============================================
   Empty State
   ============================================ */
.empty-row td { padding: 60px 20px; }

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.empty-state p {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
}

.empty-state span {
    font-size: 13px;
    color: var(--text-muted);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--bg-secondary);
    border-top: 2px solid var(--accent-vtrade-dark);
    font-size: 12px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.footer span:first-child {
    color: var(--accent-vtrade);
    font-weight: 600;
    letter-spacing: 0.2px;
}

.footer-sep { color: var(--border-light); }

/* Animations */
@keyframes ltp-flash-up {
    0%, 100% { color: var(--accent-green); }
    50% { color: var(--text-primary); }
}

@keyframes ltp-flash-down {
    0%, 100% { color: var(--accent-red); }
    50% { color: var(--text-primary); }
}

.ltp-value.flash-up { animation: ltp-flash-up 0.6s ease; }
.ltp-value.flash-down { animation: ltp-flash-down 0.6s ease; }

/* ============================================
   Super Admin Section & Sub-Pages
   ============================================ */
.admin-page {
    display: none;
    flex-direction: column;
    gap: 16px;
    height: 100%;
    overflow-y: auto;
    padding-right: 4px;
}
.admin-page.active { display: flex; }

.admin-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}
.admin-page-header h2 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}
.admin-page-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 3px;
}

.admin-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.admin-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.status-badge.active { background: var(--accent-green-bg); color: var(--accent-green); }
.status-badge.expiring { background: rgba(255, 152, 0, 0.15); color: var(--accent-vtrade); }
.status-badge.expired { background: var(--accent-red-bg); color: var(--accent-red); }

/* Quick Extend Buttons */
.btn-extend-group {
    display: inline-flex;
    gap: 4px;
}
.btn-extend {
    padding: 3px 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}
.btn-extend:hover {
    background: rgba(255, 152, 0, 0.2);
    border-color: var(--accent-vtrade);
    color: var(--accent-vtrade);
}

.admin-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

.btn {
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
    transition: opacity 0.15s;
}
.btn-primary { background: var(--accent-vtrade-gradient); color: #fff; box-shadow: 0 2px 8px rgba(245, 124, 0, 0.3); }
.btn-primary:hover { opacity: 0.9; }
.btn-danger { background: var(--accent-red-bg); color: var(--accent-red); border: 1px solid rgba(255, 23, 68, 0.3); }
.btn-danger:hover { background: rgba(255, 23, 68, 0.2); }
.btn-secondary { background: var(--bg-tertiary); color: var(--text-secondary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); }

.users-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.users-table th {
    padding: 8px 12px; background: var(--bg-tertiary);
    font-size: 10px; font-weight: 600; text-transform: uppercase; color: var(--text-muted);
    border-bottom: 1px solid var(--border-color); text-align: left;
}
.users-table td { padding: 8px 12px; border-bottom: 1px solid var(--border-light); color: var(--text-secondary); }

/* Modal */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0, 0, 0, 0.7);
    z-index: 1000; display: none; align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }

.modal-box {
    width: 480px; max-width: 90vw; max-height: 85vh; overflow-y: auto;
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
}

.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color); font-weight: 700; font-size: 14px;
}

.modal-close { background: none; border: none; color: var(--text-muted); font-size: 18px; cursor: pointer; }

.modal-body { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: 8px;
    padding: 12px 18px; border-top: 1px solid var(--border-color);
}

.cols-picker-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
    max-height: 160px; overflow-y: auto; padding: 6px;
    background: var(--bg-tertiary); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

/* Misc Utilities */
.hidden { display: none !important; }

/* Toggle Switch Control */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--bg-hover);
    border: 1px solid var(--border-light);
    transition: .3s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-muted);
    transition: .3s;
}

input:checked + .slider {
    background-color: rgba(0, 200, 83, 0.2);
    border-color: var(--accent-green);
}

input:checked + .slider:before {
    transform: translateX(20px);
    background-color: var(--accent-green);
}

.slider.round {
    border-radius: 24px;
}

.slider.round:before {
    border-radius: 50%;
}

.status-pill-paused {
    background: var(--accent-red-bg) !important;
    color: var(--accent-red) !important;
    border: 1px solid rgba(255, 23, 68, 0.3) !important;
}

/* Excel-Style Column Header Filters */
.th-content {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    width: 100%;
    justify-content: space-between;
}

.filter-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 11px;
    cursor: pointer;
    padding: 1px 3px;
    border-radius: 3px;
    transition: all 0.15s;
    line-height: 1;
}
.filter-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}
.filter-btn.active {
    color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.15);
}

.header-filter-popup {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 240px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    padding: 10px;
    z-index: 300;
    font-size: 12px;
    color: var(--text-primary);
    text-transform: none;
    letter-spacing: normal;
    font-weight: 400;
    display: none;
}
.header-filter-popup.show { display: block; }

.filter-popup-hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-popup-hdr button {
    background: none;
    border: none;
    color: var(--accent-blue);
    font-size: 11px;
    cursor: pointer;
}

.filter-range-inputs {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.filter-range-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.filter-range-field label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
}
.filter-range-field input {
    padding: 5px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 11px;
    outline: none;
    width: 100%;
}
.filter-range-field input:focus { border-color: var(--accent-blue); }

.filter-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 10px;
}

.preset-chip {
    padding: 3px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}
.preset-chip:hover {
    background: var(--bg-hover);
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.filter-checkbox-list {
    max-height: 180px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 2px;
}

.filter-search-box {
    width: 100%;
    padding: 5px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 11px;
    margin-bottom: 8px;
    outline: none;
}

.filter-popup-footer {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border-light);
}

.btn-clear-all-filters {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-clear-all-filters:hover {
    background: rgba(0, 229, 255, 0.15);
}

/* ============================================
   MOBILE HAMBURGER MENU BUTTON
   ============================================ */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    justify-content: center;
}
.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.2s ease;
}

/* Mobile Admin Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    z-index: 150;
}
.sidebar-overlay.show { display: block; }

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* ──────────────── TABLET (≤ 1024px) ──────────────── */
@media (max-width: 1024px) {
    .header { padding: 10px 16px; }
    .stats-row { gap: 10px; }
    .tabs-bar { padding: 0 12px; gap: 4px; }
    .tab-btn { padding: 10px 12px; font-size: 12px; }
    .main-content { padding: 10px 12px; }
    .admin-sidebar { width: 190px; }
    .admin-grid-2 { grid-template-columns: 1fr 1fr; gap: 12px; }
}

/* ──────────────── SMALL TABLET / LARGE PHONE (≤ 768px) ──────────────── */
@media (max-width: 768px) {
    /* Header */
    .header { padding: 10px 14px; }
    .header-left { gap: 8px; }
    .logo { gap: 8px; }
    .logo-text h1 { font-size: 14px; }
    .subtitle { display: none; }
    .stats-row { display: none; }
    .status-badge { padding: 5px 10px; font-size: 11px; gap: 6px; }
    .header-user { padding: 4px 9px; gap: 6px; }
    .user-name { display: none; }

    /* Mobile hamburger */
    .mobile-menu-btn { display: flex; }

    /* Admin Sidebar — slide-over on mobile */
    .admin-sidebar {
        position: fixed;
        left: -240px;
        top: 0;
        height: 100vh;
        width: 240px;
        z-index: 200;
        transition: left 0.25s ease;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.6);
    }
    .admin-sidebar.mobile-open { left: 0; }

    /* Navigation Tabs — scrollable horizontal on mobile */
    .tabs-bar {
        padding: 0 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex-wrap: nowrap;
        gap: 0;
    }
    .tabs-bar::-webkit-scrollbar { display: none; }
    .tab-btn { padding: 10px 10px; font-size: 12px; white-space: nowrap; gap: 5px; }

    /* Main content */
    .main-content { padding: 8px 10px; }

    /* Table toolbar — stacks vertically */
    .table-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    .toolbar-left, .toolbar-right {
        width: 100%;
        flex-wrap: wrap;
        gap: 6px;
    }
    .search-box { width: 100%; }
    .live-indicator { font-size: 10px; }
    .src-btn { padding: 3px 7px; font-size: 10px; }

    /* Table — horizontal scroll with fixed cols */
    .table-container { border-radius: var(--radius-md); }
    .alerts-table { font-size: 11px; min-width: 600px; }
    .alerts-table td,
    .alerts-table th { padding: 7px 7px; }

    /* Admin pages */
    .admin-page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .admin-grid-2 { grid-template-columns: 1fr; gap: 12px; }
    .admin-filter-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    #user-search-input { width: 100%; }
    .users-table { min-width: 600px; }

    /* Login page */
    .login-card { width: 90vw; max-width: 400px; padding: 28px 20px; }

    /* Modal */
    .modal-box { width: 95vw; max-height: 88vh; }
    .modal-body { padding: 14px; gap: 12px; }
    .cols-picker-grid { grid-template-columns: 1fr; }
    .modal-footer { gap: 6px; }
    .modal-footer .btn { flex: 1; }

    /* Footer */
    .footer { padding: 8px 12px; font-size: 11px; gap: 5px; flex-wrap: wrap; justify-content: center; }
}

/* ──────────────── PHONE (≤ 480px) ──────────────── */
@media (max-width: 480px) {
    /* Header */
    .header { padding: 8px 12px; }
    .brand-logo-img { height: 28px; }
    .logo-text h1 { font-size: 13px; }
    .status-text { display: none; }
    .status-badge { padding: 4px 8px; }
    .user-role { display: none; }
    .header-right { gap: 8px; }

    /* Tabs */
    .tab-btn { padding: 9px 8px; font-size: 11px; }
    .tab-count { padding: 1px 5px; font-size: 10px; }

    /* Main */
    .main-content { padding: 6px 8px; }

    /* Table */
    .alerts-table { font-size: 11px; min-width: 560px; }
    .alerts-table td,
    .alerts-table th { padding: 6px 6px; }
    .symbol-name { font-size: 11px; }

    /* Admin card + scanner cards */
    .admin-card-header { flex-direction: column; align-items: flex-start; gap: 6px; }
    .btn-extend-group { flex-wrap: wrap; }
    .btn-extend { padding: 4px 8px; font-size: 11px; }

    /* Quick Extend row in user table — move to block */
    .users-table td:last-child { white-space: normal; }

    /* Login */
    .login-card { padding: 24px 16px; }
    .login-logo { flex-direction: column; text-align: center; gap: 8px; }
    .login-logo-text h1 { font-size: 17px; }

    /* Source filter group wraps */
    .source-filter-group { flex-wrap: wrap; }

    /* Filter popup — full width on phone */
    .header-filter-popup { width: calc(100vw - 24px); left: auto; right: 0; }
    .cols-dropdown { width: 200px; }

    /* Modal */
    .modal-box { max-height: 90vh; }
    .modal-header { padding: 12px 14px; }
    .modal-body { padding: 12px; }

    /* Footer text wraps */
    .footer { flex-direction: column; gap: 2px; text-align: center; padding: 8px; }
}

/* ──────────────── VERY SMALL (≤ 360px) ──────────────── */
@media (max-width: 360px) {
    .header { padding: 8px 10px; }
    .logo-text h1 { font-size: 12px; }
    .brand-logo-img { height: 24px; }
    .tab-btn { padding: 8px 6px; font-size: 10px; }
    .main-content { padding: 4px 6px; }
    .login-card { padding: 20px 12px; }
    .form-input { font-size: 14px; padding: 12px 12px; }  /* prevents iOS auto-zoom */
    .login-btn { font-size: 14px; padding: 13px; }
}

/* ──────────────── GLOBAL MOBILE TOUCH IMPROVEMENTS ──────────────── */
@media (max-width: 768px) {
    /* Prevent iOS double-tap zoom on buttons */
    button, a, input, select, textarea { touch-action: manipulation; }

    /* Larger tap targets for interactive elements */
    .btn { min-height: 36px; }
    .src-btn { min-height: 30px; }
    .sidebar-item { padding: 12px 14px; min-height: 44px; }
    .tab-btn { min-height: 40px; }
    .form-input {
        font-size: 16px; /* prevents iOS Safari zoom-in on focus */
        padding: 12px 14px;
    }

    /* Scrollable tables */
    .table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }

    /* User dropdown above the button on mobile */
    .user-dropdown { top: auto; bottom: calc(100% + 6px); right: 0; }

    /* Column visibility dropdown full width on mobile */
    .cols-dropdown { right: 0; left: auto; }
}

/* ── Filter Inner Tabs (Global Filters Page) ───────────────────── */
.filter-inner-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 4px;
}

.filter-inner-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.18s;
    font-family: var(--font-sans);
}
.filter-inner-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}
.filter-inner-tab.active {
    background: var(--accent-vtrade-gradient);
    color: #fff;
    box-shadow: 0 2px 8px rgba(255, 152, 0, 0.35);
}

.filter-inner-pane { display: none; }
.filter-inner-pane.active { display: block; }

/* ── Filter Builder Row ────────────────────────────────────────── */
.fb-row {
    display: grid;
    grid-template-columns: 28px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 9px 16px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.12s;
}
.fb-row:last-child { border-bottom: none; }
.fb-row:hover { background: var(--bg-hover); }
.fb-row.fb-active { background: rgba(255, 152, 0, 0.06); }

.fb-col-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}
.fb-col-label .live-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    flex-shrink: 0;
}

.fb-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.fb-type-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-sans);
    min-width: 100px;
}
.fb-type-select:focus { outline: none; border-color: var(--accent-vtrade); }

.fb-range-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.fb-range-input {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    width: 90px;
    font-family: var(--font-mono);
}
.fb-range-input:focus { outline: none; border-color: var(--accent-vtrade); }
.fb-range-sep { font-size: 11px; color: var(--text-muted); }

.fb-checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    max-width: 420px;
}
.fb-option-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.12s;
    user-select: none;
}
.fb-option-chip input[type=checkbox] {
    accent-color: var(--accent-vtrade);
    width: 12px; height: 12px;
}
.fb-option-chip:hover { border-color: var(--accent-vtrade); color: var(--text-primary); }
.fb-option-chip.chip-selected {
    background: rgba(255,152,0,0.15);
    border-color: var(--accent-vtrade);
    color: var(--accent-vtrade);
    font-weight: 600;
}

/* row toggle checkbox styling */
.fb-row-check {
    width: 16px; height: 16px;
    accent-color: var(--accent-vtrade);
    cursor: pointer;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .filter-inner-tabs { flex-wrap: wrap; }
    .filter-inner-tab { flex: 1; justify-content: center; padding: 8px 10px; font-size: 12px; }
    .fb-row { grid-template-columns: 28px 1fr; row-gap: 6px; }
    .fb-controls { grid-column: 1 / -1; padding-left: 28px; }
    .fb-range-input { width: 75px; }
}

/* ── Filter Preset Wizard & Library Styles ────────────────────── */
.fp-step-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.fp-step-dot.active {
    background: var(--accent-vtrade-gradient);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 0 8px rgba(255, 152, 0, 0.4);
}

.fp-radio-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}
.fp-radio-card input { display: none; }
.fp-radio-card:hover { border-color: var(--accent-vtrade); }
.fp-radio-card.active-radio {
    background: rgba(255, 152, 0, 0.1);
    border-color: var(--accent-vtrade);
    color: var(--accent-vtrade);
}

.fp-preset-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: all 0.15s;
}
.fp-preset-card:hover {
    border-color: var(--border-light);
    background: var(--bg-tertiary);
}
.fp-preset-card.active-preset {
    border-color: var(--accent-green);
    background: rgba(0, 200, 83, 0.04);
    box-shadow: 0 0 12px rgba(0, 200, 83, 0.15);
}

.fp-card-info h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.fp-card-info p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.fp-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 11px;
    color: var(--text-muted);
}

.fp-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .fp-preset-card { flex-direction: column; align-items: flex-start; }
    .fp-card-actions { width: 100%; justify-content: flex-end; margin-top: 8px; }
}

/* ── Toast Notifications ────────────────────────────────────────── */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 380px;
    width: calc(100% - 40px);
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transition: all 0.2s ease;
}
.toast.toast-out {
    animation: toastOut 0.2s cubic-bezier(0.7, 0, 0.84, 0) forwards;
}

.toast-success { border-color: var(--accent-green); background: rgba(0, 200, 83, 0.1); }
.toast-success i { color: var(--accent-green); }

.toast-warning { border-color: var(--accent-vtrade); background: rgba(255, 152, 0, 0.1); }
.toast-warning i { color: var(--accent-vtrade); }

.toast-danger { border-color: var(--accent-red); background: rgba(255, 23, 68, 0.1); }
.toast-danger i { color: var(--accent-red); }

.toast-info { border-color: var(--accent-blue); background: rgba(41, 121, 255, 0.1); }
.toast-info i { color: var(--accent-blue); }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-12px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-12px) scale(0.95); }
}

/* ── Full Screen Error Pages ───────────────────────────────────── */
.full-screen-error {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9000;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.full-screen-error.hidden { display: none !important; }

.error-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.error-icon-box {
    width: 72px; height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}
.error-icon-box.danger {
    background: rgba(255, 23, 68, 0.12);
    border: 1px solid rgba(255, 23, 68, 0.3);
}
.error-icon-box.warning {
    background: rgba(255, 152, 0, 0.12);
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.error-card h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.error-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}
.error-card .error-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ── Network Error Banner ──────────────────────────────────────── */
.network-banner {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background: rgba(255, 23, 68, 0.95);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(255, 23, 68, 0.4);
    animation: bannerSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.network-banner.hidden { display: none !important; }

@keyframes bannerSlideUp {
    from { opacity: 0; transform: translate(-50%, 20px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

/* ── Mobile Drawer & Responsive Overlays ───────────────────────── */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
    padding: 6px;
}
.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.2s ease;
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.sidebar-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    .admin-sidebar {
        position: fixed;
        top: 0;
        bottom: 0;
        left: -260px;
        z-index: 600;
        width: 250px;
        box-shadow: 0 0 30px rgba(0,0,0,0.7);
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .admin-sidebar.mobile-open {
        transform: translateX(260px);
    }
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .data-table th:first-child,
    .data-table td:first-child,
    .alerts-table th:first-child,
    .alerts-table td:first-child {
        position: sticky;
        left: 0;
        z-index: 5;
        background: var(--bg-secondary);
        box-shadow: 2px 0 6px rgba(0,0,0,0.3);
    }
}