/* ============================================
   Fiber Tracker — Premium Dashboard CSS
   Design system inspired by Untitled UI, 
   HeroUI, and Park UI
   ============================================ */

/* ---- Design Tokens ---- */
:root {
    color-scheme: dark;

    /* Surface */
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #16161f;
    --bg-elevated: #1a1a26;
    --bg-hover: #1e1e2d;
    --bg-active: #242438;

    /* Borders */
    --border: #1e1e30;
    --border-subtle: #161625;
    --border-active: #3b3b5c;

    /* Text */
    --text-primary: #f0f0f5;
    --text-secondary: #8b8ba0;
    --text-tertiary: #5e5e72;
    --text-inverse: #0a0a0f;

    /* Colors */
    --green-50: #0d2b1a;
    --green-100: #134d29;
    --green-400: #34d399;
    --green-500: #22c55e;
    --green-600: #16a34a;

    --red-50: #2b0d14;
    --red-100: #4d1321;
    --red-400: #f87171;
    --red-500: #ef4444;
    --red-600: #dc2626;

    --blue-50: #0d1b2b;
    --blue-100: #1e3a5f;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;

    --purple-50: #1a0d2e;
    --purple-100: #2e1065;
    --purple-400: #a78bfa;
    --purple-500: #8b5cf6;

    --amber-50: #2b1d0d;
    --amber-400: #fbbf24;
    --amber-500: #f59e0b;

    --cyan-400: #22d3ee;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 20px;
    --space-2xl: 24px;
    --space-3xl: 32px;
    --space-4xl: 40px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.25);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.35);
    --shadow-glow-green: 0 0 20px rgba(34,197,94,0.15);
    --shadow-glow-red: 0 0 20px rgba(239,68,68,0.15);
    --shadow-glow-blue: 0 0 20px rgba(59,130,246,0.15);

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed: 68px;

    /* Transition */
    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Light Theme ---- */
[data-theme="light"] {
    /* Surface — warm whites, soft grays */
    --bg-primary: #f5f5f7;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f0f3;
    --bg-elevated: #ffffff;
    --bg-hover: #eeeef2;
    --bg-active: #e4e4ec;

    /* Borders */
    --border: #d8d8e0;
    --border-subtle: #e8e8f0;
    --border-active: #b0b0c0;

    /* Text */
    --text-primary: #1a1a2e;
    --text-secondary: #64648a;
    --text-tertiary: #9898b0;
    --text-inverse: #ffffff;

    /* Colors — slightly deeper for readability on light backgrounds */
    --green-50: #ecfdf5;
    --green-100: #d1fae5;
    --green-400: #22c55e;
    --green-500: #16a34a;
    --green-600: #15803d;

    --red-50: #fef2f2;
    --red-100: #fee2e2;
    --red-400: #ef4444;
    --red-500: #dc2626;
    --red-600: #b91c1c;

    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-400: #3b82f6;
    --blue-500: #2563eb;

    --purple-50: #f5f3ff;
    --purple-100: #ede9fe;
    --purple-400: #8b5cf6;
    --purple-500: #7c3aed;

    --amber-50: #fffbeb;
    --amber-400: #f59e0b;
    --amber-500: #d97706;

    --cyan-400: #06b6d4;

    /* Shadows — lighter, more diffuse */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-glow-green: 0 0 24px rgba(22,163,74,0.12);
    --shadow-glow-red: 0 0 24px rgba(220,38,38,0.12);
    --shadow-glow-blue: 0 0 24px rgba(37,99,235,0.12);
}

/* Light-theme specific overrides */
[data-theme="light"] body {
    -webkit-font-smoothing: auto;
}
[data-theme="light"] .sidebar {
    box-shadow: 2px 0 8px rgba(0,0,0,0.04);
}
[data-theme="light"] .logo-img {
    filter: none;
}
[data-theme="light"] .metric-card,
[data-theme="light"] .chart-card,
[data-theme="light"] .card {
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}
[data-theme="light"] .metric-card:hover,
[data-theme="light"] .chart-card:hover,
[data-theme="light"] .card:hover {
    box-shadow: var(--shadow-md);
}
[data-theme="light"] .nav-item.active {
    background: var(--blue-50);
    color: var(--blue-500);
    border-left-color: var(--blue-500);
}
[data-theme="light"] .nav-item:hover:not(.active) {
    background: var(--bg-hover);
}
[data-theme="light"] .donut-text .donut-pct {
    fill: var(--text-primary);
}
[data-theme="light"] .donut-text .donut-label {
    fill: var(--text-secondary);
}
[data-theme="light"] table th {
    background: var(--bg-tertiary);
}
[data-theme="light"] table tr:hover td {
    background: var(--bg-hover);
}
[data-theme="light"] .status-badge {
    border: 1px solid var(--border);
}
[data-theme="light"] .nok-table {
    border: 1px solid var(--border);
}
[data-theme="light"] .file-selector-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
}
[data-theme="light"] .file-dropdown {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}
[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: #c0c0d0;
}
[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: #a0a0b5;
}

/* ---- Theme Toggle & Top Bar Actions ---- */
.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}
.theme-toggle-mini {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.theme-toggle-mini:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-active);
    transform: translateY(-1px);
}
.theme-toggle-mini:active {
    transform: translateY(0);
}
.theme-toggle-mini.danger:hover {
    background: var(--red-500);
    color: white;
    border-color: var(--red-500);
}
.theme-toggle-mini .theme-icon { transition: all 0.3s ease; }
.theme-toggle-mini .theme-icon.moon { display: none; }
[data-theme="light"] .theme-toggle-mini .theme-icon.sun { display: none; }
[data-theme="light"] .theme-toggle-mini .theme-icon.moon { display: block; }

/* ---- Loading Animations ---- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-16px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes countUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 transparent; }
    50% { box-shadow: var(--shadow-md); }
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-active); }

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--transition-slow), transform var(--transition-slow);
}
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2xl) var(--space-xl);
    border-bottom: 1px solid var(--border);
}
.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all var(--transition);
}
.logo-link:hover {
    filter: brightness(1.15);
}
.logo-img {
    height: 72px;
    max-width: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
}
.sidebar-toggle {
    background: none; border: none; color: var(--text-secondary);
    cursor: pointer; padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.sidebar-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }

/* Sidebar collapsed state (desktop) */
.sidebar.collapsed {
    transform: translateX(-100%);
}
.sidebar.collapsed ~ .main-content {
    margin-left: 0;
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* NTP Clock - HeroUI Styled User/Badge */
.ntp-clock {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
}
.ntp-clock:hover {
    background: var(--bg-hover);
    border-color: var(--border-active);
}
.analog-dial {
    position: relative;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background: var(--bg-hover);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
    flex-shrink: 0;
}
.clock-center-dot {
    position: absolute;
    top: 50%; left: 50%;
    width: 3px; height: 3px;
    background: var(--text-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 4;
}
.clock-hand {
    position: absolute;
    bottom: 50%; left: 50%;
    background: var(--text-secondary);
    transform-origin: bottom center;
    border-radius: 4px;
    z-index: 2;
    transform: translateX(-50%) rotate(0deg);
    transition: transform 0.05s cubic-bezier(0.4, 2.08, 0.55, 0.44); /* Sleek framer-like spring tick */
}
.hour-hand {
    width: 2px;
    height: 28%;
    background: var(--text-primary);
}
.minute-hand {
    width: 1.5px;
    height: 38%;
}
.second-hand {
    width: 1px;
    height: 42%;
    background: var(--red-500);
    z-index: 3;
}
.ntp-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.ntp-time {
    font-size: 0.85rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: 0.02em;
}
.ntp-date {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-tertiary);
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg) var(--space-md);
}
.nav-section {
    margin-bottom: var(--space-2xl);
}
.nav-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0 var(--space-md);
    margin-bottom: var(--space-sm);
}
.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: all var(--transition);
    position: relative;
}
.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.nav-item.active {
    background: var(--bg-active);
    color: var(--text-primary);
}
.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 24px;
    background: linear-gradient(135deg, var(--blue-500), var(--purple-500));
    border-radius: 0 4px 4px 0;
}
.nav-badge {
    margin-left: auto;
    background: var(--red-500);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg) var(--space-md);
}
.mobile-header {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    z-index: 99;
    align-items: center;
    padding: 0 var(--space-lg);
    gap: var(--space-md);
}
.mobile-menu-btn {
    background: none; border: none; color: var(--text-primary);
    cursor: pointer; padding: var(--space-sm);
}
.mobile-logo-img {
    height: 44px;
    max-width: 100%;
    object-fit: contain;
}

/* ---- Main Content & Top Bar ---- */
.main-content {
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
}

.main-top-bar {
    position: sticky;
    top: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-3xl);
    background: rgba(var(--bg-primary-rgb), 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: 72px; /* Matches Sidebar header exactly! */
}
[data-theme="dark"] .main-top-bar { background: rgba(18, 18, 20, 0.85); }
[data-theme="light"] .main-top-bar { background: rgba(250, 250, 255, 0.85); }

/* Greeting Block */
.top-bar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.greeting-emoji {
    font-size: 1.8rem;
    animation: wave 2.5s infinite;
    transform-origin: 70% 70%;
}
@keyframes wave {
    0% { transform: rotate( 0.0deg) }
   10% { transform: rotate(14.0deg) } 
   20% { transform: rotate(-8.0deg) }
   30% { transform: rotate(14.0deg) }
   40% { transform: rotate(-4.0deg) }
   50% { transform: rotate(10.0deg) }
   60% { transform: rotate( 0.0deg) }
  100% { transform: rotate( 0.0deg) }
}
.greeting-text { display: flex; flex-direction: column; }
.greeting-primary {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}
.greeting-secondary {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-tertiary);
    line-height: 1.2;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* ---- Views ---- */
.view {
    display: none;
    padding: var(--space-3xl);
    animation: fadeIn 0.25s ease;
    flex: 1;
}
.view.active { display: block; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.view-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
    gap: var(--space-lg);
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
    position: relative;
    z-index: 100;
}
.view-header h1 {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.view-subtitle {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-top: 4px;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}
.file-tag {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-active);
}
.btn-primary {
    background: linear-gradient(135deg, var(--blue-500), var(--purple-500));
    color: white;
    border: none;
}
.btn-primary:hover { opacity: 0.9; }

/* ---- Metric Cards ---- */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}
.metric-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.metric-card:nth-child(1) { animation-delay: 0.05s; }
.metric-card:nth-child(2) { animation-delay: 0.12s; }
.metric-card:nth-child(3) { animation-delay: 0.19s; }
.metric-card:nth-child(4) { animation-delay: 0.26s; }
.metric-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--border);
    transition: all var(--transition);
}
.metric-card:hover {
    border-color: var(--border-active);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.metric-card:hover::after { opacity: 0; }

#metric-ok .metric-card, .metric-card:nth-child(2)::after { background: linear-gradient(90deg, var(--green-500), transparent); }
#metric-nok .metric-card, .metric-card:nth-child(3)::after { background: linear-gradient(90deg, var(--red-500), transparent); }
.metric-card:nth-child(4)::after { background: linear-gradient(90deg, var(--purple-500), transparent); }
.metric-card:nth-child(1)::after { background: linear-gradient(90deg, var(--blue-500), transparent); }

.metric-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}
.metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.metric-icon {
    width: 36px; height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}
.metric-icon.blue { background: var(--blue-50); color: var(--blue-400); }
.metric-icon.green { background: var(--green-50); color: var(--green-400); }
.metric-icon.red { background: var(--red-50); color: var(--red-400); }
.metric-icon.purple { background: var(--purple-50); color: var(--purple-400); }

.metric-value {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: var(--space-md);
    animation: countUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: 0.3s;
}
.metric-value.green { color: var(--green-400); }
.metric-value.red { color: var(--red-400); }

.metric-value-split {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    margin-top: 10px;
}
.metric-value-split.green { color: var(--green-400); }
.metric-value-split.red { color: var(--red-400); }

.split-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}
.split-col span:last-child {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}
.split-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}
.metric-footer {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    min-height: 20px;
}
.metric-sub {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}
.metric-sub strong { color: var(--text-secondary); }
.metric-change {
    font-size: 0.8rem;
    font-weight: 500;
}
.metric-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.metric-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.8s ease;
}
.metric-bar-fill.green { background: var(--green-500); }
.metric-bar-fill.red { background: var(--red-500); }

/* ---- Cards ---- */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
    overflow: visible;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) var(--space-2xl);
    border-bottom: 1px solid var(--border);
}
.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}
.card-header.red-accent { border-left: 3px solid var(--red-500); }
.card-body {
    padding: var(--space-2xl);
}
.card-body.no-pad { padding: 0; }
.card-footer {
    padding: var(--space-lg) var(--space-2xl);
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ---- Tabs ---- */
.card-tabs {
    display: flex;
    gap: 2px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 2px;
}
.tab {
    padding: var(--space-xs) var(--space-lg);
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}
.tab:hover { color: var(--text-secondary); }
.tab.active {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

/* ---- Charts Grid ---- */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}
.chart-card {
    min-height: 300px;
    animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.charts-grid .chart-card:nth-child(1) { animation-delay: 0.15s; }
.charts-grid .chart-card:nth-child(2) { animation-delay: 0.25s; }
.charts-grid .chart-card:nth-child(3) { animation-delay: 0.35s; }
.chart-body {
    display: flex;
    align-items: center;
    gap: var(--space-3xl);
}
.chart-legend {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
}
.legend-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.legend-value {
    font-weight: 700;
    margin-left: auto;
    min-width: 30px;
    text-align: right;
}

/* ---- Tech Performance Bars ---- */
.tech-bars { display: flex; flex-direction: column; gap: var(--space-md); max-height: 280px; overflow-y: auto; }
.tech-bar-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.82rem;
}
.tech-bar-name {
    width: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
    flex-shrink: 0;
}
.tech-bar-track {
    flex: 1;
    height: 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
}
.tech-bar-ok {
    height: 100%;
    background: var(--green-500);
    transition: width 0.6s ease;
}
.tech-bar-nok {
    height: 100%;
    background: var(--red-500);
    transition: width 0.6s ease;
}
.tech-bar-stats {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    min-width: 55px;
    flex-shrink: 0;
    line-height: 1.2;
}
.tech-bar-total {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text-primary);
}
.tech-bar-rate {
    font-size: 0.68rem;
    font-weight: 600;
}

/* ---- Breakdown List ---- */
.breakdown-list { display: flex; flex-direction: column; gap: var(--space-md); }
.breakdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.85rem;
}
.breakdown-label { flex: 1; color: var(--text-secondary); }
.breakdown-bar {
    width: 120px;
    height: 6px;
    background: var(--bg-primary);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.breakdown-bar-fill {
    height: 100%;
    background: var(--blue-400);
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}
.breakdown-value {
    min-width: 30px;
    text-align: right;
    font-weight: 600;
    font-size: 0.82rem;
}

/* ---- Data Table ---- */
.table-wrapper { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}
.data-table thead th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-weight: 600;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.data-table tbody td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    white-space: nowrap;
}
.data-table tbody tr:hover { background: var(--bg-hover); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* State badges in tables */
.state-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}
.state-badge.ok { background: var(--green-50); color: var(--green-400); }
.state-badge.nok { background: var(--red-50); color: var(--red-400); }
.state-badge.en-cours { background: var(--amber-50); color: var(--amber-400); }

/* ---- Badge ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}
.badge-red { background: var(--red-50); color: var(--red-400); }
.badge-green { background: var(--green-50); color: var(--green-400); }

/* ---- Technician Grid ---- */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
}
.tech-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition);
    position: relative;
}
.tech-card:hover {
    border-color: var(--border-active);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.tech-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}
.tech-avatar {
    width: 48px; height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}
.tech-card-name {
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.01em;
}
.tech-card-sector {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}
.tech-card-type-sections {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}
.tech-type-section {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
}
.tech-type-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}
.tech-type-badge {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}
.tech-type-badge.type-racc {
    background: var(--green-50);
    color: var(--green-400);
}
.tech-type-badge.type-sav {
    background: var(--blue-50);
    color: var(--blue-400);
}
.tech-type-rate {
    font-size: 0.78rem;
    font-weight: 700;
}
.tech-type-rate.rate-good { color: var(--green-400); }
.tech-type-rate.rate-mid { color: var(--amber-400); }
.tech-type-rate.rate-low { color: var(--red-400); }
.tech-type-counts {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: 0.82rem;
    margin-bottom: 6px;
}
.tech-type-ok {
    color: var(--green-400);
    font-weight: 600;
}
.tech-type-nok {
    color: var(--red-400);
    font-weight: 600;
}
.tech-type-total {
    margin-left: auto;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 500;
}
.tech-type-bar {
    height: 4px;
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    overflow: hidden;
    display: flex;
}
.tech-type-bar-ok {
    height: 100%;
    transition: width 0.6s ease;
    border-radius: var(--radius-full) 0 0 var(--radius-full);
}
.tech-type-bar-nok {
    height: 100%;
    transition: width 0.6s ease;
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

/* ---- GANTT Table ---- */
.gantt-table th, .gantt-table td { text-align: center; min-width: 80px; }
.gantt-table th:first-child, .gantt-table td:first-child { text-align: left; min-width: 160px; position: sticky; left: 0; background: var(--bg-secondary); z-index: 2; }
.gantt-table th:nth-child(2), .gantt-table td:nth-child(2) { text-align: center; min-width: 50px; }
.gantt-cell {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 600;
    min-width: 60px;
}
.gantt-cell.ok-racc { background: var(--green-50); color: var(--green-400); }
.gantt-cell.nok-racc { background: var(--red-50); color: var(--red-400); }
.gantt-cell.ok-sav { background: var(--blue-50); color: var(--blue-400); }
.gantt-cell.nok-sav { background: var(--red-100); color: var(--red-400); }
.gantt-cell.en-cours { background: var(--amber-50); color: var(--amber-400); }
.gantt-cell.empty { color: var(--text-tertiary); }

/* ---- Failure Analysis ---- */
.failure-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}
.failure-bars { display: flex; flex-direction: column; gap: var(--space-lg); }
.failure-bar-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.failure-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
}
.failure-bar-label span:first-child { color: var(--text-secondary); }
.failure-bar-label span:last-child { font-weight: 700; color: var(--red-400); }
.failure-bar-track {
    height: 8px;
    background: var(--bg-primary);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.failure-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--red-500), var(--red-400));
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}

/* ---- Notification List ---- */
.notif-list { max-height: 700px; overflow-y: auto; }
.notif-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-2xl);
    border-bottom: 1px solid var(--border-subtle);
    transition: all 0.2s ease;
    position: relative;
    border-left: 3px solid transparent;
}
.notif-item:hover { background: var(--bg-hover); }
.notif-item:last-child { border-bottom: none; }

/* Status variants */
.notif-item.notif-success { border-left-color: var(--green-500); }
.notif-item.notif-error {
    border-left-color: var(--red-500);
    background: rgba(239, 68, 68, 0.04);
}
.notif-item.notif-error:hover { background: rgba(239, 68, 68, 0.08); }
.notif-item.notif-warning {
    border-left-color: #f59e0b;
    background: rgba(245, 158, 11, 0.04);
}
.notif-item.notif-warning:hover { background: rgba(245, 158, 11, 0.08); }
.notif-item.notif-group-card {
    cursor: pointer;
}
.notif-item.notif-group-card:hover {
    background: rgba(245, 158, 11, 0.08);
}

.notif-icon {
    width: 40px; height: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.15rem;
}
.notif-icon.notif-icon-compact {
    width: 12px;
    min-width: 12px;
    height: auto;
    border-radius: 9999px;
    background: transparent;
    color: transparent;
    position: relative;
}
.notif-icon.notif-icon-compact::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 9999px;
    background: #f59e0b;
    display: block;
}
.notif-icon.stats { background: var(--blue-50); }
.notif-icon.nok_alert { background: var(--red-50); }
.notif-icon.morning { background: var(--green-50); }
.notif-icon.eod_thanks { background: rgba(168, 85, 247, 0.12); }
.notif-icon.eod_report { background: rgba(59, 130, 246, 0.12); }
.notif-icon.warning { background: rgba(245, 158, 11, 0.15); }
.notif-icon.notif-icon-error { background: rgba(239, 68, 68, 0.15); }
.notif-body { flex: 1; min-width: 0; padding-right: 40px; }
.notif-type {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.notif-status-badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 8px;
    border-radius: var(--radius-full);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.notif-status-badge.success { background: var(--green-50); color: var(--green-400); }
.notif-status-badge.error { background: var(--red-50); color: var(--red-400); }
.notif-status-badge.warning { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.notif-msg {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
    white-space: pre-wrap;
    line-height: 1.5;
    max-height: 60px;
    overflow: hidden;
}
.notif-error-msg {
    font-size: 0.82rem;
    color: var(--red-400);
    margin-top: 4px;
    font-weight: 500;
    line-height: 1.4;
}
.notif-warning-msg {
    font-size: 0.82rem;
    color: #f59e0b;
    margin-top: 4px;
    font-weight: 500;
    line-height: 1.4;
}
.notif-time {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    flex-shrink: 0;
    padding-top: 2px;
}
.notif-delete-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 6px;
    opacity: 0;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.notif-item:hover .notif-delete-btn { opacity: 0.6; }
.notif-delete-btn:hover {
    opacity: 1 !important;
    color: var(--red-400);
    background: var(--red-50);
    border-color: var(--red-500);
}
/* Summary bar above list */
.notif-summary {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg) var(--space-2xl);
    border-bottom: 1px solid var(--border);
    background: var(--bg-tertiary);
    font-size: 0.82rem;
    color: var(--text-tertiary);
}
.notif-summary-stat {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}
.notif-summary-stat.success { color: var(--green-400); }
.notif-summary-stat.error { color: var(--red-400); }
.notif-summary-stat.warning { color: #f59e0b; }

/* ---- Upload Zone ---- */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-4xl) var(--space-3xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--blue-400);
    background: rgba(59,130,246,0.04);
}
.upload-icon { color: var(--text-tertiary); margin-bottom: var(--space-xl); }
.upload-main { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
.upload-sub { color: var(--text-secondary); margin-top: var(--space-sm); font-size: 0.9rem; }
.upload-link { color: var(--blue-400); cursor: pointer; font-weight: 500; text-decoration: underline; }
.upload-hint { color: var(--text-tertiary); font-size: 0.78rem; margin-top: var(--space-md); }
.upload-progress { margin-top: var(--space-xl); }
.progress-track {
    height: 6px;
    background: var(--bg-primary);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--blue-500), var(--purple-500));
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 0.3s ease;
}
.progress-text {
    display: block;
    margin-top: var(--space-sm);
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* ---- Search & Filters ---- */
.search-box {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
}
.search-box svg { color: var(--text-tertiary); flex-shrink: 0; }
.search-box input {
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    width: 160px;
}
.search-box input::placeholder { color: var(--text-tertiary); }

.filter-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
}
.filter-select option { background: var(--bg-secondary); }

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: var(--space-lg) 0;
    flex-wrap: wrap;
}
.pagination:empty { display: none; }
.pagination .page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 var(--space-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
}
.pagination .page-btn:hover:not(.active):not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-active);
    color: var(--text-primary);
}
.pagination .page-btn.active {
    background: var(--blue-500);
    border-color: var(--blue-500);
    color: #fff;
    font-weight: 700;
}
.pagination .page-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}
.pagination .page-info {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin: 0 var(--space-sm);
    white-space: nowrap;
}
.pagination .page-ellipsis {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    padding: 0 2px;
}

/* ---- Settings ---- */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}
.form-group { margin-bottom: var(--space-xl); }
.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}
.form-input {
    width: 100%;
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    transition: border-color var(--transition);
}
.form-input:focus { border-color: var(--blue-400); }

/* Custom time/date picker indicator styling for seamless dark theme fit */
.form-input[type="time"]::-webkit-calendar-picker-indicator,
.form-input[type="date"]::-webkit-calendar-picker-indicator {
    opacity: 0.5;
    cursor: pointer;
    transition: opacity 0.2s ease;
}
.form-input[type="time"]::-webkit-calendar-picker-indicator:hover,
.form-input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* Override webkit autofill styles for dark mode */
.form-input:-webkit-autofill,
.form-input:-webkit-autofill:hover, 
.form-input:-webkit-autofill:focus, 
.form-input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--bg-primary) inset !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    caret-color: var(--text-primary) !important;
    transition: background-color 5000s ease-in-out 0s;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }

.toggle-label {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}
.toggle-label input { display: none; }
.toggle-switch {
    width: 44px; height: 24px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    position: relative;
    transition: all var(--transition);
}
.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--text-tertiary);
    transition: all var(--transition);
}
.toggle-label input:checked + .toggle-switch {
    background: var(--green-500);
    border-color: var(--green-500);
}
.toggle-label input:checked + .toggle-switch::after {
    left: 23px;
    background: white;
}

.tech-config-list { display: flex; flex-direction: column; gap: var(--space-md); }
.tech-config-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}
.tech-config-name { flex: 1; font-weight: 500; }
.tech-config-number { color: var(--text-tertiary); font-size: 0.8rem; }

/* Form hint */
.form-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* Inline editable inputs in the tech table */
.inline-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    transition: border-color var(--transition);
}
.inline-input:focus { border-color: var(--blue-400); }
.inline-input::placeholder { color: var(--text-tertiary); }

.inline-input:-webkit-autofill,
.inline-input:-webkit-autofill:hover, 
.inline-input:-webkit-autofill:focus, 
.inline-input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--bg-primary) inset !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    caret-color: var(--text-primary) !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* Delete row btn */
.btn-delete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition);
}
.btn-delete:hover {
    background: var(--red-50);
    border-color: var(--red-500);
    color: var(--red-400);
}

/* Card footer flex */
.card-footer {
    display: flex;
    align-items: center;
}

/* ---- Empty State ---- */
.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl);
    color: var(--text-tertiary);
    font-size: 0.92rem;
}
.empty-state.small { padding: var(--space-xl); font-size: 0.82rem; }

/* ---- Toast ---- */
.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.85rem;
    min-width: 280px;
    animation: slideUp 0.3s ease;
}
.toast.success { border-left: 3px solid var(--green-500); }
.toast.error { border-left: 3px solid var(--red-500); }
.toast.info { border-left: 3px solid var(--blue-500); }
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive ---- */
@media (max-width: 1200px) {
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .charts-grid { grid-template-columns: 1fr; }
    .failure-grid { grid-template-columns: 1fr; }
    .settings-grid { grid-template-columns: 1fr; }
}

/* When sidebar is collapsed on desktop, show mobile header as a floating bar */
.sidebar.collapsed ~ .mobile-header {
    display: flex;
}
.sidebar.collapsed ~ .main-content {
    padding-top: 72px;
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); z-index: 100; }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
    .mobile-header { display: flex; }
    .main-content {
        margin-left: 0;
        padding: var(--space-xl);
        padding-top: 72px;
    }
    .metrics-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .view-header { flex-direction: column; }
    .chart-body { flex-direction: column; }
    .file-selector { width: 100%; }
}

/* ---- File Panel (replaces dropdown) ---- */
.file-panel-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    backdrop-filter: blur(2px);
    animation: fadeIn 0.2s ease;
}
.file-panel-overlay.open { display: block; }

.file-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    max-width: 90vw;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: -8px 0 32px rgba(0,0,0,0.2);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s;
    visibility: hidden;
}
.file-panel.open { 
    transform: translateX(0); 
    visibility: visible;
}

.file-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) var(--space-2xl);
    border-bottom: 1px solid var(--border);
}
.file-panel-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1rem;
}
.file-panel-count {
    background: var(--purple-50);
    color: var(--purple-400);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 700;
}
.file-panel-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-hover);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.file-panel-close:hover {
    background: var(--bg-active);
    color: var(--text-primary);
}

.file-panel-search {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-2xl);
    border-bottom: 1px solid var(--border);
}
.file-panel-search svg { color: var(--text-tertiary); flex-shrink: 0; }
.file-panel-search input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.88rem;
    outline: none;
    font-family: inherit;
}
.file-panel-search input::placeholder { color: var(--text-tertiary); }

.file-panel-sort {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-2xl);
    border-bottom: 1px solid var(--border);
}
.sort-btn {
    padding: 4px 12px;
    border: 1px solid var(--border);
    background: none;
    color: var(--text-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}
.sort-btn:hover { color: var(--text-primary); border-color: var(--border-active); }
.sort-btn.active {
    background: var(--purple-50);
    color: var(--purple-400);
    border-color: var(--purple-400);
}

.file-panel-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm) 0;
}

.file-panel-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-2xl);
    cursor: pointer;
    transition: background var(--transition);
    border-left: 3px solid transparent;
}
.file-panel-item:hover { background: var(--bg-hover); }
.file-panel-item.active {
    background: var(--bg-active);
    border-left-color: var(--green-400);
}
.file-panel-item .fp-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--green-50);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.file-panel-item.active .fp-icon { background: var(--green-100); }
.file-panel-item .fp-info { flex: 1; min-width: 0; }
.file-panel-item .fp-name {
    font-size: 0.88rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-panel-item .fp-meta {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}
.file-panel-item .fp-check {
    color: var(--green-400);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.form-hint {
    display: block;
    color: var(--text-tertiary);
    font-size: 0.72rem;
    margin-top: 4px;
}

/* ---- WhatsApp Settings ---- */
.wa-status {
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}
.wa-status.connected {
    background: var(--green-50);
    color: var(--green-400);
}
.wa-status.disconnected {
    background: rgba(239,68,68,0.1);
    color: var(--red-400);
}
.wa-status.scanning {
    background: rgba(251,191,36,0.1);
    color: var(--amber-400);
    animation: pulseGlow 2s infinite;
}
.wa-section {
    padding: var(--space-lg) 0;
}
.wa-hint {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}
.wa-hint em {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}
.wa-qr-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--space-xl) auto;
    width: 260px;
    height: 260px;
    border: 2px dashed var(--border-active);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.02);
}
.wa-qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-tertiary);
    font-size: 0.82rem;
    text-align: center;
    padding: var(--space-lg);
}
.wa-qr-image {
    width: 256px;
    height: 256px;
    border-radius: var(--radius-md);
    image-rendering: pixelated;
}
.wa-connected-info {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--green-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--green-100);
    margin-bottom: var(--space-lg);
}
.wa-connected-icon {
    font-size: 2rem;
}
.wa-phone {
    color: var(--text-secondary);
    font-family: monospace;
    margin-top: 4px;
}
.wa-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}
.btn-danger {
    background: var(--red-500);
    color: white;
    border: none;
}
.btn-danger:hover {
    background: var(--red-400);
}

/* ---- Flux Inspired Time Picker ---- */
.flux-tp-wrapper {
    position: relative;
    width: 100%;
}
.flux-tp-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    width: 100%;
    cursor: pointer;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-lg);
    font-family: inherit;
    font-size: 0.85rem;
    height: 40px;
    transition: all var(--transition);
}
.flux-tp-btn:hover {
    border-color: var(--border-active);
}
.flux-tp-btn.open {
    border-color: var(--blue-400);
    box-shadow: 0 0 0 1px var(--blue-400);
}
.flux-tp-icon {
    color: var(--text-tertiary);
    transition: color 0.2s;
}
.flux-tp-btn.open .flux-tp-icon {
    color: var(--blue-400);
}
.flux-tp-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    max-height: 220px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-active);
    border-radius: var(--radius-md);
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    padding: var(--space-xs);
    display: none;
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity 0.15s ease, transform 0.15s ease;
}
.flux-tp-dropdown::-webkit-scrollbar { width: 6px; }
.flux-tp-dropdown::-webkit-scrollbar-track { background: transparent; }
.flux-tp-dropdown::-webkit-scrollbar-thumb { background: var(--border-active); border-radius: 4px; }
.flux-tp-dropdown.show {
    display: block;
}
.flux-tp-dropdown.visible {
    opacity: 1;
    transform: translateY(0);
}
.flux-tp-dual {
    padding: var(--space-xs);
}
.flux-tp-columns {
    display: flex;
    height: 180px;
    gap: var(--space-xs);
}
.flux-tp-col {
    flex: 1;
    overflow-y: auto;
    text-align: center;
    scrollbar-width: none;
}
.flux-tp-col::-webkit-scrollbar {
    display: none;
}
.flux-tp-item {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    transition: background 0.1s;
    user-select: none;
}
.flux-tp-item:hover {
    background: var(--bg-hover);
}
.flux-tp-item.selected {
    background: var(--bg-active);
    color: var(--blue-400);
    font-weight: 500;
}

.sortable { cursor: pointer; user-select: none; }
.sortable:hover { background: rgba(255,255,255,0.05); }

th.sortable { position: relative; padding-right: 20px !important; }
th.sortable .sort-icon::after {
    content: "↕";
    position: absolute;
    right: 5px;
    opacity: 0.3;
    font-size: 0.9em;
}
th.sortable.active.asc .sort-icon::after {
    content: "↓";
    opacity: 1;
    color: var(--blue-400);
}
th.sortable.active.desc .sort-icon::after {
    content: "↑";
    opacity: 1;
    color: var(--blue-400);
}