/* ============================================================
   Tracker JF — Ultra-Dark Premium Theme
   ============================================================ */

/* ── CSS Variables ──────────────────────────────────────── */
:root {
    --bg-base: #050508;
    --bg-card: #12121a;
    --bg-secondary: #0a0a10;
    --bg-input: #0e0e16;
    --bg-hover: #1a1a28;
    --border-color: #1e1e2e;
    --border-subtle: #161625;

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

    --accent: #f97316;
    --accent-hover: #ea580c;
    --accent-soft: rgba(249, 115, 22, 0.12);
    --accent-glow: 0 0 20px rgba(249, 115, 22, 0.4);
    --accent-glow-sm: 0 0 10px rgba(249, 115, 22, 0.25);

    --success: #22c55e;
    --danger: #ef4444;
    --warning: #eab308;
    --info: #3b82f6;

    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

h1,
h2,
h3,
h4,
h5,
h6,
.font-heading {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

::selection {
    background: rgba(249, 115, 22, 0.3);
    color: #fff;
}

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: #2a2a3e;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* ── Login Page ────────────────────────────────────────── */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(249, 115, 22, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(249, 115, 22, 0.04) 0%, transparent 50%),
        var(--bg-base);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo h1 {
    font-size: 2rem;
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--accent), #fb923c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ── Navbar ────────────────────────────────────────────── */
.navbar-dark-custom {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    height: 64px;
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand-custom {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand-custom .brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent), #fb923c);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.nav-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.nav-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #fb923c);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}

.btn-logout {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    padding: 6px 14px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

/* ── Dashboard Layout ──────────────────────────────────── */
.dashboard-wrapper {
    padding: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
}

.page-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* ── Stats Cards ───────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    border-color: rgba(249, 115, 22, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 14px;
}

.stat-card .stat-icon.orange {
    background: var(--accent-soft);
    color: var(--accent);
}

.stat-card .stat-icon.green {
    background: rgba(34, 197, 94, 0.12);
    color: var(--success);
}

.stat-card .stat-icon.blue {
    background: rgba(59, 130, 246, 0.12);
    color: var(--info);
}

.stat-card .stat-icon.red {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
}

.stat-card .stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Card Component ────────────────────────────────────── */
.card-dark {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.card-dark .card-header-dark {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.card-dark .card-header-dark h5 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.card-dark .card-body-dark {
    padding: 24px;
}

/* ── Table ─────────────────────────────────────────────── */
.table-dark-custom {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table-dark-custom thead th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table-dark-custom tbody tr {
    transition: var(--transition);
    cursor: pointer;
}

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

.table-dark-custom tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.875rem;
    vertical-align: middle;
}

.table-dark-custom tbody td:first-child {
    color: var(--text-primary);
    font-weight: 500;
}

/* ── Status Badges ─────────────────────────────────────── */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-status.status-ingresado {
    background: rgba(100, 116, 139, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(100, 116, 139, 0.25);
}

.badge-status.status-recibido {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge-status.status-transito {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
    border: 1px solid rgba(249, 115, 22, 0.25);
}

.badge-status.status-aduana {
    background: rgba(234, 179, 8, 0.15);
    color: #facc15;
    border: 1px solid rgba(234, 179, 8, 0.25);
}

.badge-status.status-entregado {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.badge-status .status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* ── Buttons ───────────────────────────────────────────── */
.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--accent-glow-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: var(--accent-glow);
    color: #fff;
}

.btn-accent:active {
    transform: translateY(0);
}

.btn-dark-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-dark-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.btn-sm-action {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.8rem;
}

.btn-sm-action:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.btn-sm-action.danger:hover {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* ── Form Controls ─────────────────────────────────────── */
.form-control-dark,
.form-select-dark {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.875rem;
    font-family: var(--font-body);
    transition: var(--transition);
    width: 100%;
}

.form-control-dark:focus,
.form-select-dark:focus {
    background: var(--bg-input);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
    outline: none;
}

.form-control-dark::placeholder {
    color: var(--text-muted);
}

.form-label-dark {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

textarea.form-control-dark {
    min-height: 100px;
    resize: vertical;
}

/* ── Search Bar ────────────────────────────────────────── */
.search-wrapper {
    position: relative;
    max-width: 360px;
    width: 100%;
}

.search-wrapper .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-wrapper input {
    padding-left: 42px;
}

/* ── Modal Overrides ───────────────────────────────────── */
.modal-content-dark {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header-dark {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px;
}

.modal-header-dark .modal-title {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-header-dark .btn-close {
    filter: invert(1) brightness(0.8);
}

.modal-body-dark {
    padding: 24px;
}

.modal-footer-dark {
    border-top: 1px solid var(--border-color);
    padding: 16px 24px;
}

.modal-backdrop.show {
    backdrop-filter: blur(4px);
}

/* ── Stepper / Timeline ────────────────────────────────── */
.stepper-vertical {
    position: relative;
    padding: 0;
    list-style: none;
}

.stepper-vertical .step-item {
    display: flex;
    gap: 16px;
    padding-bottom: 28px;
    position: relative;
}

.stepper-vertical .step-item:last-child {
    padding-bottom: 0;
}

.stepper-vertical .step-item::before {
    content: '';
    position: absolute;
    left: 17px;
    top: 38px;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.stepper-vertical .step-item:last-child::before {
    display: none;
}

.stepper-vertical .step-item.completed::before {
    background: linear-gradient(180deg, var(--accent), var(--accent));
}

.stepper-vertical .step-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 1;
    transition: var(--transition);
}

.stepper-vertical .step-item.pending .step-icon {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-muted);
}

.stepper-vertical .step-item.completed .step-icon {
    background: var(--accent);
    border: 2px solid var(--accent);
    color: #fff;
    box-shadow: var(--accent-glow-sm);
}

.stepper-vertical .step-item.current .step-icon {
    background: var(--accent);
    border: 2px solid var(--accent);
    color: #fff;
    box-shadow: var(--accent-glow);
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {

    0%,
    100% {
        box-shadow: 0 0 10px rgba(249, 115, 22, 0.3);
    }

    50% {
        box-shadow: 0 0 25px rgba(249, 115, 22, 0.6);
    }
}

.stepper-vertical .step-content h6 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.stepper-vertical .step-item.pending .step-content h6 {
    color: var(--text-muted);
}

.stepper-vertical .step-content .step-date {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* ── Kardex Timeline ───────────────────────────────────── */
.kardex-timeline {
    list-style: none;
    padding: 0;
    position: relative;
}

.kardex-timeline::before {
    content: '';
    position: absolute;
    left: 17px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.kardex-item {
    display: flex;
    gap: 16px;
    padding-bottom: 24px;
    position: relative;
}

.kardex-item:last-child {
    padding-bottom: 0;
}

.kardex-dot {
    width: 12px;
    height: 12px;
    min-width: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-card);
    margin-top: 4px;
    z-index: 1;
    box-shadow: 0 0 0 2px var(--accent);
}

.kardex-content {
    flex: 1;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    border: 1px solid var(--border-subtle);
}

.kardex-content .kardex-action {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    margin-bottom: 4px;
}

.kardex-content .kardex-comment {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 6px;
}

.kardex-content .kardex-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.kardex-content .kardex-meta i {
    margin-right: 4px;
}

/* ── Document Cards ────────────────────────────────────── */
.doc-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: var(--transition);
}

.doc-card:hover {
    border-color: var(--accent);
}

.doc-card .doc-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.doc-card .doc-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--accent-soft);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.doc-card .doc-name {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.doc-card .doc-size {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* ── Upload Zone ───────────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.upload-zone i {
    font-size: 2rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.upload-zone p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.upload-zone small {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* ── Tracking Widget (Public) ──────────────────────────── */
.tracking-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background:
        radial-gradient(ellipse at 30% 30%, rgba(249, 115, 22, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 70%, rgba(249, 115, 22, 0.04) 0%, transparent 50%),
        var(--bg-base);
}

.tracking-container {
    width: 100%;
    max-width: 560px;
}

.tracking-header {
    text-align: center;
    margin-bottom: 36px;
}

.tracking-header h1 {
    font-size: 2.5rem;
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--accent), #fb923c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.tracking-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.tracking-search {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.tracking-search input {
    flex: 1;
}

.tracking-result {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-card);
    display: none;
}

.tracking-result.show {
    display: block;
    animation: fadeSlideUp 0.4s ease;
}

.tracking-id-display {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--accent);
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: 8px;
}

.tracking-route {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.tracking-last-update {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* ── Detail Panel ──────────────────────────────────────── */
.detail-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
}

.detail-section h6 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.85rem;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row .label {
    color: var(--text-muted);
}

.detail-row .value {
    color: var(--text-primary);
    font-weight: 500;
}

/* ── Alerts / Toasts ───────────────────────────────────── */
.alert-dark {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    padding: 14px 18px;
    font-size: 0.85rem;
}

.alert-dark.alert-success {
    border-color: rgba(34, 197, 94, 0.3);
    background: rgba(34, 197, 94, 0.08);
    color: var(--success);
}

.alert-dark.alert-danger {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger);
}

.toast-container-custom {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 9999;
}

.toast-custom {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    color: var(--text-primary);
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideInRight 0.3s ease;
    max-width: 360px;
}

.toast-custom.success {
    border-left: 3px solid var(--success);
}

.toast-custom.error {
    border-left: 3px solid var(--danger);
}

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

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeSlideUp {
    from {
        transform: translateY(16px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ── Empty State ───────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 60px 30px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--border-color);
}

.empty-state h5 {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* ── Spinner ───────────────────────────────────────────── */
.spinner-accent {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ── Tabs ──────────────────────────────────────────────── */
.tabs-dark {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.tabs-dark .tab-item {
    padding: 12px 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.tabs-dark .tab-item:hover {
    color: var(--text-secondary);
}

.tabs-dark .tab-item.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
    .dashboard-wrapper {
        padding: 16px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-header h1 {
        font-size: 1.4rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        padding: 18px;
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }

    .table-responsive-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .login-card {
        padding: 32px 24px;
    }

    .modal-dialog {
        margin: 10px;
    }

    .tracking-header h1 {
        font-size: 1.8rem;
    }

    .tracking-search {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .nav-user-info span {
        display: none;
    }
}