/**
 * Clean Lab Tech Industrial Theme
 * A modern, industrial aesthetic with chamfered corners and tech styling
 * Version: 1.0.0
 */

/* ============================================
   FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700;800&display=swap');

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
    /* Primary Colors */
    --cl-dark: #111111;
    --cl-dark-navy: #0f172a;
    --cl-blue: #0055ff;
    --cl-blue-secondary: #0284c7;
    --cl-blue-10: rgba(0, 85, 255, 0.1);
    --cl-orange: #ff4800;
    --cl-orange-10: rgba(255, 72, 0, 0.1);
    --cl-green: #00cc66;
    --cl-green-10: rgba(0, 204, 102, 0.1);

    /* Status Colors */
    --cl-status-online: #00cc66;
    --cl-status-offline: #94a3b8;
    --cl-status-error: #ff3333;
    --cl-status-error-10: rgba(255, 51, 51, 0.1);
    --cl-status-warning: #fbbf24;
    --cl-status-warning-10: rgba(251, 191, 36, 0.1);
    --cl-status-info: #0284c7;
    --cl-status-info-10: rgba(2, 132, 199, 0.1);

    /* Neutral Scale (Light Theme Base) */
    --cl-bg-primary: #f1f5f9;
    --cl-bg-secondary: #ffffff;
    --cl-bg-card: #ffffff;
    --cl-bg-hover: #f8fafc;
    --cl-border-light: #e2e8f0;
    --cl-border-default: #cbd5e1;
    --cl-border-dark: #94a3b8;

    /* Text Colors */
    --cl-text-primary: #111111;
    --cl-text-secondary: #475569;
    --cl-text-tertiary: #64748b;
    --cl-text-muted: #94a3b8;
    --cl-text-inverse: #ffffff;

    /* Typography */
    --cl-font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --cl-font-tech: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;

    /* Font Sizes (6 levels) */
    --cl-text-xs: 0.625rem;    /* 10px - metadata codes */
    --cl-text-sm: 0.75rem;     /* 12px - labels */
    --cl-text-base: 0.875rem;  /* 14px - body */
    --cl-text-lg: 1rem;        /* 16px - headings */
    --cl-text-xl: 1.25rem;     /* 20px - page titles */
    --cl-text-2xl: 1.5rem;     /* 24px - KPI values */
    --cl-text-3xl: 2rem;       /* 32px - large KPI */

    /* Font Weights */
    --cl-weight-normal: 400;
    --cl-weight-medium: 500;
    --cl-weight-semibold: 600;
    --cl-weight-bold: 700;
    --cl-weight-extrabold: 800;
    --cl-weight-black: 900;

    /* Spacing (4px base grid) */
    --cl-space-1: 4px;
    --cl-space-2: 8px;
    --cl-space-3: 12px;
    --cl-space-4: 16px;
    --cl-space-5: 20px;
    --cl-space-6: 24px;
    --cl-space-8: 32px;
    --cl-space-10: 40px;
    --cl-space-12: 48px;

    /* Borders */
    --cl-border-width: 2px;
    --cl-border-width-thin: 1px;
    --cl-radius-none: 0;
    --cl-radius-sm: 4px;
    --cl-radius-md: 8px;

    /* Shadows (minimal industrial) */
    --cl-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --cl-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --cl-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --cl-transition-fast: 100ms ease;
    --cl-transition-base: 200ms ease;
    --cl-transition-slow: 300ms ease;

    /* Layout */
    --cl-sidebar-width: 260px;
    --cl-navbar-height: 56px;

    /* Chamfer Sizes */
    --cl-chamfer-sm: 8px;
    --cl-chamfer-md: 16px;
    --cl-chamfer-lg: 24px;

    /* Z-Index Scale */
    --cl-z-base: 0;
    --cl-z-dropdown: 1000;
    --cl-z-sticky: 1020;
    --cl-z-fixed: 1030;
    --cl-z-modal-backdrop: 1040;
    --cl-z-modal: 1050;
    --cl-z-popover: 1060;
    --cl-z-tooltip: 1070;
}

/* ============================================
   BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--cl-font-body);
    background: var(--cl-bg-primary);
    color: var(--cl-text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

::selection {
    background: var(--cl-blue);
    color: var(--cl-text-inverse);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Font Utilities */
.font-tech {
    font-family: var(--cl-font-tech) !important;
}

.font-body {
    font-family: var(--cl-font-body) !important;
}

/* Chamfered Corners */
.chamfer-sm {
    clip-path: polygon(
        8px 0, 100% 0,
        100% calc(100% - 8px),
        calc(100% - 8px) 100%,
        0 100%, 0 8px
    );
}

.chamfer-md {
    clip-path: polygon(
        16px 0, 100% 0,
        100% calc(100% - 16px),
        calc(100% - 16px) 100%,
        0 100%, 0 16px
    );
}

.chamfer-lg {
    clip-path: polygon(
        24px 0, 100% 0,
        100% calc(100% - 24px),
        calc(100% - 24px) 100%,
        0 100%, 0 24px
    );
}

/* Tech Grid Background */
.bg-tech-grid {
    background-image:
        linear-gradient(rgba(0, 85, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 85, 255, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

.bg-tech-grid-dark {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* Status Code Display */
.status-code {
    font-family: var(--cl-font-tech);
    font-size: var(--cl-text-xs);
    font-weight: var(--cl-weight-bold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: var(--cl-space-1) var(--cl-space-2);
    border: var(--cl-border-width) solid currentColor;
    display: inline-block;
}

.status-code-online {
    color: var(--cl-status-online);
    border-color: var(--cl-status-online);
    background: var(--cl-green-10);
}

.status-code-offline {
    color: var(--cl-text-muted);
    border-color: var(--cl-border-default);
    background: var(--cl-bg-hover);
}

.status-code-error {
    color: var(--cl-status-error);
    border-color: var(--cl-status-error);
    background: var(--cl-status-error-10);
}

.status-code-warning {
    color: var(--cl-status-warning);
    border-color: var(--cl-status-warning);
    background: var(--cl-status-warning-10);
}

/* Text Utilities */
.text-tech {
    font-family: var(--cl-font-tech);
    letter-spacing: 0.05em;
}

.text-uppercase-tech {
    font-family: var(--cl-font-tech);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--cl-text-xs);
    font-weight: var(--cl-weight-bold);
}

/* ============================================
   NAVBAR (Dark Industrial Header)
   ============================================ */
.navbar {
    background: var(--cl-dark) !important;
    border-bottom: var(--cl-border-width) solid var(--cl-dark-navy);
    height: var(--cl-navbar-height);
    padding: 0 var(--cl-space-4);
}

.navbar .container-fluid {
    padding-left: 0 !important;
}

.navbar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    width: calc(var(--cl-sidebar-width) - var(--cl-space-4));
    padding: 0;
    margin: 0;
    flex-shrink: 0;
}

.navbar-logo {
    height: 38px;
    width: auto;
    object-fit: contain;
    background: #ffffff;
    padding: 3px 8px;
    border-radius: 6px;
}

.navbar .nav-link {
    color: var(--cl-text-muted) !important;
    font-weight: var(--cl-weight-semibold);
    font-size: var(--cl-text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--cl-space-2) var(--cl-space-3) !important;
    transition: var(--cl-transition-fast);
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
    color: var(--cl-text-inverse) !important;
}

.navbar .nav-link.active {
    color: var(--cl-blue) !important;
}

.navbar .dropdown-menu {
    background: var(--cl-bg-card);
    border: var(--cl-border-width) solid var(--cl-border-default);
    border-radius: 0;
    box-shadow: var(--cl-shadow-lg);
    margin-top: var(--cl-space-2);
    max-width: calc(100vw - 20px);
    right: 0 !important;
    left: auto !important;
}

/* Mobile: ensure dropdown stays within viewport */
@media (max-width: 575.98px) {
    .navbar .dropdown-menu {
        position: fixed !important;
        top: 56px !important;
        right: 10px !important;
        left: auto !important;
        width: calc(100vw - 20px);
        max-width: 280px;
        transform: none !important;
    }
}

.navbar .dropdown-item {
    font-weight: var(--cl-weight-semibold);
    font-size: var(--cl-text-sm);
    padding: var(--cl-space-3) var(--cl-space-4);
    color: var(--cl-text-secondary);
    transition: var(--cl-transition-fast);
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
    background: var(--cl-bg-primary);
    color: var(--cl-blue);
}

.navbar .dropdown-divider {
    border-color: var(--cl-border-light);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    background: var(--cl-bg-secondary);
    border-right: var(--cl-border-width) solid var(--cl-border-light);
    width: var(--cl-sidebar-width);
    height: calc(100vh - var(--cl-navbar-height));
    position: fixed;
    top: var(--cl-navbar-height);
    left: 0;
    overflow-y: auto;
    padding: var(--cl-space-4) 0;
    z-index: var(--cl-z-fixed);
    /* Hide on mobile - controlled by d-none d-md-flex classes + .show toggle */
    /* Override body grid background - solid color for sidebar */
    background-image: none;
}

/* Desktop only - show sidebar */
@media (min-width: 768px) {
    .sidebar {
        display: flex !important;
        flex-direction: column;
    }
}

.sidebar .nav-link {
    color: var(--cl-text-secondary);
    font-weight: var(--cl-weight-semibold);
    font-size: var(--cl-text-sm);
    padding: var(--cl-space-3) var(--cl-space-4);
    margin: 0 var(--cl-space-2);
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: var(--cl-space-3);
    transition: var(--cl-transition-fast);
}

.sidebar .nav-link i {
    font-size: var(--cl-text-lg);
    width: 20px;
    text-align: center;
}

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

.sidebar .nav-link.active {
    background: var(--cl-blue-10);
    color: var(--cl-blue);
    border-left-color: var(--cl-blue);
    font-weight: var(--cl-weight-bold);
}

.sidebar .nav-link.active i {
    color: var(--cl-blue);
}

.sidebar-section-title {
    font-family: var(--cl-font-tech);
    font-size: var(--cl-text-xs);
    font-weight: var(--cl-weight-bold);
    color: var(--cl-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--cl-space-4) var(--cl-space-4) var(--cl-space-2);
    margin-top: var(--cl-space-4);
}

/* ============================================
   APP LAYOUT
   ============================================ */
.app-layout {
    display: flex;
    min-height: calc(100vh - var(--cl-navbar-height));
}

main {
    background:
        linear-gradient(rgba(0, 85, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 85, 255, 0.06) 1px, transparent 1px),
        var(--cl-bg-primary);
    background-size: 20px 20px, 20px 20px, 100% 100%;
    min-height: calc(100vh - var(--cl-navbar-height));
    padding: var(--cl-space-6);
    flex: 1;
    width: 100%;
}

main.has-sidebar {
    margin-left: var(--cl-sidebar-width);
    width: calc(100% - var(--cl-sidebar-width));
}

/* Page Header */
.page-header {
    margin-bottom: var(--cl-space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--cl-space-4);
}

.page-header h1,
.page-title {
    font-size: var(--cl-text-xl);
    font-weight: var(--cl-weight-extrabold);
    color: var(--cl-text-primary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.page-header-subtitle {
    font-family: var(--cl-font-tech);
    color: var(--cl-text-muted);
    font-size: var(--cl-text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--cl-space-1);
}

/* ============================================
   CARDS (Industrial Style)
   ============================================ */
.card {
    background: var(--cl-bg-card) !important;
    border: var(--cl-border-width) solid var(--cl-border-light) !important;
    border-radius: 0 !important;
    box-shadow: var(--cl-shadow-sm) !important;
    transition: var(--cl-transition-base);
}

.card:hover {
    box-shadow: var(--cl-shadow-md) !important;
}

.card-chamfer {
    clip-path: polygon(
        16px 0, 100% 0,
        100% calc(100% - 16px),
        calc(100% - 16px) 100%,
        0 100%, 0 16px
    );
}

.card-header {
    background: var(--cl-bg-primary) !important;
    border-bottom: var(--cl-border-width) solid var(--cl-border-light) !important;
    padding: var(--cl-space-4) var(--cl-space-5) !important;
    font-weight: var(--cl-weight-bold);
}

.card-header h3,
.card-header h5,
.card-header h6,
.card-header .h6 {
    font-family: var(--cl-font-tech);
    font-weight: var(--cl-weight-extrabold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cl-text-primary) !important;
    margin: 0;
    font-size: var(--cl-text-sm);
}

.card-body {
    padding: var(--cl-space-5) !important;
}

.card-footer {
    background: var(--cl-bg-hover) !important;
    border-top: var(--cl-border-width) solid var(--cl-border-light) !important;
    padding: var(--cl-space-3) var(--cl-space-5) !important;
}

/* ============================================
   KPI CARDS
   ============================================ */
.kpi-card {
    background: var(--cl-bg-card);
    border: var(--cl-border-width) solid var(--cl-border-light);
    position: relative;
    overflow: hidden;
    transition: var(--cl-transition-base);
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--cl-shadow-md);
}

.kpi-card .card-body {
    padding: var(--cl-space-5);
}

.kpi-title {
    font-family: var(--cl-font-tech);
    font-size: var(--cl-text-xs) !important;
    font-weight: var(--cl-weight-bold);
    color: var(--cl-text-muted) !important;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--cl-space-2) !important;
}

.kpi-value {
    font-family: var(--cl-font-tech);
    font-size: var(--cl-text-3xl) !important;
    font-weight: var(--cl-weight-black);
    color: var(--cl-text-primary) !important;
    line-height: 1.2;
    margin-bottom: var(--cl-space-1) !important;
}

.kpi-subtitle {
    font-size: var(--cl-text-sm);
    color: var(--cl-text-tertiary);
}

.kpi-icon {
    position: absolute;
    right: var(--cl-space-5);
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.1;
}

.kpi-icon i {
    font-size: 3rem !important;
    color: var(--cl-text-primary);
}

/* KPI Trend Badge */
.trend-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--cl-space-1);
    padding: var(--cl-space-1) var(--cl-space-2);
    font-family: var(--cl-font-tech);
    font-size: var(--cl-text-xs);
    font-weight: var(--cl-weight-bold);
}

.trend-badge.trend-up {
    color: var(--cl-status-online);
    background: var(--cl-green-10);
}

.trend-badge.trend-down {
    color: var(--cl-status-error);
    background: var(--cl-status-error-10);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    font-weight: var(--cl-weight-bold);
    font-size: var(--cl-text-sm);
    padding: var(--cl-space-3) var(--cl-space-5);
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--cl-transition-fast);
    border-width: var(--cl-border-width);
}

.btn:active {
    transform: scale(0.98) translateY(1px);
}

.btn-primary {
    background: var(--cl-dark) !important;
    border-color: var(--cl-dark) !important;
    color: var(--cl-text-inverse) !important;
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--cl-dark-navy) !important;
    border-color: var(--cl-dark-navy) !important;
    color: var(--cl-text-inverse) !important;
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent !important;
    border-color: var(--cl-border-default) !important;
    color: var(--cl-text-secondary) !important;
}

.btn-secondary:hover,
.btn-secondary:focus {
    border-color: var(--cl-blue) !important;
    color: var(--cl-blue) !important;
    background: var(--cl-blue-10) !important;
}

.btn-success {
    background: var(--cl-green) !important;
    border-color: var(--cl-green) !important;
    color: var(--cl-text-inverse) !important;
}

.btn-success:hover,
.btn-success:focus {
    background: #00b359 !important;
    border-color: #00b359 !important;
}

.btn-danger {
    background: var(--cl-status-error) !important;
    border-color: var(--cl-status-error) !important;
    color: var(--cl-text-inverse) !important;
}

.btn-danger:hover,
.btn-danger:focus {
    background: #e62e2e !important;
    border-color: #e62e2e !important;
}

.btn-outline-primary {
    background: transparent !important;
    border-color: var(--cl-dark) !important;
    color: var(--cl-dark) !important;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background: var(--cl-dark) !important;
    color: var(--cl-text-inverse) !important;
}

/* Active state for btn-check (radio/checkbox button groups) */
.btn-check:checked + .btn-outline-primary {
    background: var(--cl-primary, #10a37f) !important;
    border-color: var(--cl-primary, #10a37f) !important;
    color: #fff !important;
}

.btn-check:checked + .btn-outline-secondary {
    background: var(--cl-dark) !important;
    border-color: var(--cl-dark) !important;
    color: var(--cl-text-inverse) !important;
}

.btn-outline-secondary {
    background: transparent !important;
    border-color: var(--cl-border-default) !important;
    color: var(--cl-text-secondary) !important;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    border-color: var(--cl-blue) !important;
    color: var(--cl-blue) !important;
}

/* Button Sizes */
.btn-sm {
    padding: var(--cl-space-2) var(--cl-space-3);
    font-size: var(--cl-text-xs);
}

.btn-lg {
    padding: var(--cl-space-4) var(--cl-space-6);
    font-size: var(--cl-text-base);
}

/* Chamfered Button */
.btn-chamfer {
    clip-path: polygon(
        8px 0, 100% 0,
        100% calc(100% - 8px),
        calc(100% - 8px) 100%,
        0 100%, 0 8px
    );
}

/* ============================================
   TABLES (Industrial Headers)
   ============================================ */
.table {
    --bs-table-bg: var(--cl-bg-card);
    border-color: var(--cl-border-light);
    font-size: var(--cl-text-sm);
}

.table thead th {
    font-family: var(--cl-font-tech);
    font-size: var(--cl-text-xs);
    font-weight: var(--cl-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cl-text-muted);
    background: var(--cl-bg-primary);
    border-bottom: var(--cl-border-width) solid var(--cl-border-default);
    padding: var(--cl-space-3) var(--cl-space-4);
    white-space: nowrap;
}

.table tbody td {
    padding: var(--cl-space-3) var(--cl-space-4);
    vertical-align: middle;
    border-color: var(--cl-border-light);
    color: var(--cl-text-secondary);
}

.table tbody tr {
    transition: var(--cl-transition-fast);
}

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

.table-striped > tbody > tr:nth-of-type(odd) > * {
    --bs-table-bg-type: var(--cl-bg-hover);
}

/* DataTables Integration */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    border: var(--cl-border-width) solid var(--cl-border-default);
    border-radius: 0;
    padding: var(--cl-space-2) var(--cl-space-3);
    font-size: var(--cl-text-sm);
}

.dataTables_wrapper .dataTables_filter input:focus,
.dataTables_wrapper .dataTables_length select:focus {
    border-color: var(--cl-blue);
    box-shadow: 0 0 0 2px var(--cl-blue-10);
    outline: none;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 0 !important;
    border: var(--cl-border-width) solid var(--cl-border-default) !important;
    margin: 0 2px;
    font-weight: var(--cl-weight-bold);
    font-size: var(--cl-text-sm);
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--cl-dark) !important;
    border-color: var(--cl-dark) !important;
    color: var(--cl-text-inverse) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--cl-bg-primary) !important;
    border-color: var(--cl-blue) !important;
    color: var(--cl-blue) !important;
}

/* ============================================
   BADGES (Status Indicators) - Solid Colors
   ============================================ */
.badge {
    font-family: var(--cl-font-tech);
    font-size: var(--cl-text-xs);
    font-weight: var(--cl-weight-bold);
    letter-spacing: 0.05em;
    padding: var(--cl-space-1) var(--cl-space-2);
    border-radius: 0;
    border: none;
    text-transform: uppercase;
}

.badge.bg-success,
.badge-success {
    background: #10b981 !important;
    color: #fff !important;
}

.badge.bg-danger,
.badge-danger {
    background: #ef4444 !important;
    color: #fff !important;
}

.badge.bg-warning,
.badge-warning {
    background: #f59e0b !important;
    color: #fff !important;
}

.badge.bg-info,
.badge-info {
    background: #3b82f6 !important;
    color: #fff !important;
}

.badge.bg-primary,
.badge-primary {
    background: #1f77b4 !important;
    color: #fff !important;
}

.badge.bg-secondary,
.badge-secondary {
    background: #6b7280 !important;
    color: #fff !important;
}

/* Device Status Badges - Solid */
.badge-online {
    background: #10b981 !important;
    color: #fff !important;
}

/* Offline badge */
.device-card .badge.bg-secondary,
.device-group-devices .badge.bg-secondary,
.badge-offline {
    background: #6b7280 !important;
    color: #fff !important;
}

.badge-error {
    background: #ef4444 !important;
    color: #fff !important;
}

/* ============================================
   FORMS
   ============================================ */
.form-control,
.form-select {
    background: var(--cl-bg-card);
    border: var(--cl-border-width) solid var(--cl-border-default);
    border-radius: 0;
    font-size: var(--cl-text-base);
    padding: var(--cl-space-3);
    min-height: 44px;
    color: var(--cl-text-primary);
    transition: var(--cl-transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--cl-blue);
    box-shadow: 0 0 0 2px var(--cl-blue-10);
    outline: none;
}

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

.form-label {
    font-weight: var(--cl-weight-bold);
    font-size: var(--cl-text-sm);
    color: var(--cl-text-secondary);
    margin-bottom: var(--cl-space-2);
}

.form-text {
    font-size: var(--cl-text-xs);
    color: var(--cl-text-muted);
}

.form-check-input {
    border: var(--cl-border-width) solid var(--cl-border-default);
    border-radius: 0;
}

.form-check-input:checked {
    background-color: var(--cl-blue);
    border-color: var(--cl-blue);
}

.form-check-input:focus {
    box-shadow: 0 0 0 2px var(--cl-blue-10);
}

/* Input Groups */
.input-group-text {
    background: var(--cl-bg-primary);
    border: var(--cl-border-width) solid var(--cl-border-default);
    border-radius: 0;
    font-weight: var(--cl-weight-semibold);
    color: var(--cl-text-secondary);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    border-radius: 0;
    border-width: var(--cl-border-width);
    border-left-width: 4px;
    font-weight: var(--cl-weight-semibold);
    padding: var(--cl-space-4);
}

.alert-success {
    background: var(--cl-green-10);
    border-color: var(--cl-status-online);
    color: var(--cl-status-online);
}

.alert-danger {
    background: var(--cl-status-error-10);
    border-color: var(--cl-status-error);
    color: var(--cl-status-error);
}

.alert-warning {
    background: var(--cl-status-warning-10);
    border-color: var(--cl-status-warning);
    color: #92400e;
}

.alert-info {
    background: var(--cl-status-info-10);
    border-color: var(--cl-status-info);
    color: var(--cl-status-info);
}

/* ============================================
   MODALS
   ============================================ */
.modal-content {
    border-radius: 0;
    border: var(--cl-border-width) solid var(--cl-dark);
    border-top-width: 4px;
}

.modal-header {
    background: var(--cl-bg-primary);
    border-bottom: var(--cl-border-width) solid var(--cl-border-light);
    padding: var(--cl-space-4) var(--cl-space-5);
}

.modal-title {
    font-family: var(--cl-font-tech);
    font-weight: var(--cl-weight-extrabold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--cl-text-base);
}

.modal-body {
    padding: var(--cl-space-5);
}

.modal-footer {
    background: var(--cl-bg-hover);
    border-top: var(--cl-border-width) solid var(--cl-border-light);
    padding: var(--cl-space-3) var(--cl-space-5);
}

.btn-close {
    opacity: 0.5;
}

.btn-close:hover {
    opacity: 1;
}

/* ============================================
   DROPDOWNS
   ============================================ */
.dropdown-menu {
    border-radius: 0;
    border: var(--cl-border-width) solid var(--cl-border-default);
    box-shadow: var(--cl-shadow-md);
    padding: var(--cl-space-2);
}

.dropdown-item {
    font-weight: var(--cl-weight-semibold);
    font-size: var(--cl-text-sm);
    padding: var(--cl-space-2) var(--cl-space-3);
    color: var(--cl-text-secondary);
    transition: var(--cl-transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--cl-bg-primary);
    color: var(--cl-blue);
}

.dropdown-item.active,
.dropdown-item:active {
    background: var(--cl-blue-10);
    color: var(--cl-blue);
}

.dropdown-divider {
    border-color: var(--cl-border-light);
}

/* ============================================
   PAGINATION
   ============================================ */
/* Let the page numbers wrap onto a new line instead of overflowing the
   viewport horizontally when there are many pages (mobile especially). */
.pagination {
    flex-wrap: wrap;
    row-gap: var(--cl-space-2);
}

.pagination .page-link {
    border: var(--cl-border-width) solid var(--cl-border-default);
    border-radius: 0;
    color: var(--cl-text-secondary);
    font-weight: var(--cl-weight-bold);
    font-size: var(--cl-text-sm);
    padding: var(--cl-space-2) var(--cl-space-3);
    margin: 0 2px;
    transition: var(--cl-transition-fast);
}

/* Compact page buttons on small screens so the whole control fits a phone. */
@media (max-width: 576px) {
    .pagination .page-link {
        padding: 6px 10px;
        margin: 0 1px;
        font-size: 13px;
    }
}

.pagination .page-link:hover {
    background: var(--cl-bg-primary);
    border-color: var(--cl-blue);
    color: var(--cl-blue);
}

.pagination .page-item.active .page-link {
    background: var(--cl-dark);
    border-color: var(--cl-dark);
    color: var(--cl-text-inverse);
}

.pagination .page-item.disabled .page-link {
    background: var(--cl-bg-hover);
    border-color: var(--cl-border-light);
    color: var(--cl-text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--cl-bg-secondary) !important;
    border-top: var(--cl-border-width) solid var(--cl-border-light);
    padding: var(--cl-space-4) var(--cl-space-6);
}

footer .text-muted {
    color: var(--cl-text-muted) !important;
    font-size: var(--cl-text-xs);
    font-family: var(--cl-font-tech);
}

/* ============================================
   SCROLLBAR (Minimal Industrial)
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--cl-border-default);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--cl-text-muted);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes scan-line {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(100%);
        opacity: 0;
    }
}

.scan-effect {
    position: relative;
    overflow: hidden;
}

.scan-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cl-blue), transparent);
    animation: scan-line 2s linear infinite;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fade-in-up 0.3s ease-out;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 var(--cl-blue-10);
    }
    50% {
        box-shadow: 0 0 0 8px transparent;
    }
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* ============================================
   TEXT UTILITIES
   ============================================ */
.text-success { color: var(--cl-status-online) !important; }
.text-danger { color: var(--cl-status-error) !important; }
.text-warning { color: var(--cl-status-warning) !important; }
.text-info { color: var(--cl-status-info) !important; }
.text-primary { color: var(--cl-blue) !important; }
.text-secondary { color: var(--cl-text-secondary) !important; }
.text-muted { color: var(--cl-text-muted) !important; }

.bg-success { background-color: var(--cl-green-10) !important; }
.bg-danger { background-color: var(--cl-status-error-10) !important; }
.bg-warning { background-color: var(--cl-status-warning-10) !important; }
.bg-info { background-color: var(--cl-status-info-10) !important; }
.bg-primary { background-color: var(--cl-blue-10) !important; }

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    padding: var(--cl-space-12) var(--cl-space-6);
    text-align: center;
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--cl-text-muted);
    margin-bottom: var(--cl-space-4);
    opacity: 0.5;
}

.empty-state-text {
    font-size: var(--cl-text-lg);
    font-weight: var(--cl-weight-bold);
    color: var(--cl-text-secondary);
    margin-bottom: var(--cl-space-2);
}

.empty-state-subtext {
    font-size: var(--cl-text-sm);
    color: var(--cl-text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 767.98px) {
    .sidebar {
        display: none !important;
        width: 280px;
        z-index: var(--cl-z-modal);
    }

    .sidebar.show {
        display: flex !important;
        flex-direction: column;
        position: fixed;
        top: var(--cl-navbar-height, 56px);
        left: 0;
        bottom: 0;
        animation: sidebarSlideIn 0.2s ease-out;
    }

    @keyframes sidebarSlideIn {
        from { transform: translateX(-100%); }
        to { transform: translateX(0); }
    }

    main.has-sidebar {
        margin-left: 0;
        width: 100%;
    }

    main {
        padding: var(--cl-space-4);
    }

    .kpi-value {
        font-size: var(--cl-text-2xl) !important;
    }

    .mobile-menu-toggle {
        display: flex !important;
        position: fixed;
        bottom: var(--cl-space-6);
        right: var(--cl-space-6);
        width: 56px;
        height: 56px;
        background: var(--cl-dark);
        color: var(--cl-text-inverse);
        border: none;
        box-shadow: var(--cl-shadow-lg);
        font-size: 1.5rem;
        z-index: var(--cl-z-modal);
        align-items: center;
        justify-content: center;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        top: var(--cl-navbar-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: var(--cl-z-modal-backdrop);
    }

    .sidebar-overlay.show {
        display: block;
    }

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

    .page-header .font-tech {
        font-size: 8px !important;
        letter-spacing: 0.05em !important;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        display: block;
    }

    .page-header h1 {
        font-size: 1.1rem !important;
    }

    /* Navbar mobile fixes */
    .navbar {
        padding: 0 8px !important;
    }

    .navbar .container-fluid {
        padding-left: 8px !important;
        padding-right: 8px !important;
    }

    .navbar-brand {
        width: auto !important;
        margin-left: 0 !important;
    }

    .navbar-logo {
        height: 32px !important;
    }

    .navbar .d-flex.gap-3 {
        gap: 8px !important;
    }

    /* Hide non-essential icons on small mobile */
    .navbar .tour-help-btn {
        display: none !important;
    }
}

/* Extra small screens (iPhone SE, iPhone 12 Pro, etc.) */
@media (max-width: 430px) {
    .navbar .d-flex.gap-3 {
        gap: 4px !important;
    }

    .navbar .nav-link {
        padding: 4px !important;
    }

    .navbar .nav-link i {
        font-size: 1rem !important;
    }

    .navbar-logo {
        height: 28px !important;
    }

    /* Hide language text, keep icon only */
    #langDropdown span {
        display: none !important;
    }

    /* Smaller notification dropdown */
    .notification-dropdown {
        min-width: 260px !important;
        max-width: 280px !important;
    }
}

@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none !important;
    }

    .sidebar-overlay {
        display: none !important;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .sidebar,
    .navbar,
    .mobile-menu-toggle,
    footer {
        display: none !important;
    }

    main.has-sidebar {
        margin-left: 0;
        width: 100%;
    }

    .card {
        break-inside: avoid;
    }
}

/* ---------------------------------------------------------------------------
   Device config panel — mirrors the kiosk's own admin surface so the same
   setting looks the same on the tablet and on the dashboard. Tokens are the
   Flutter AdminTokens ("Clean Lab Tech"): porcelain ground, industrial dark
   bar, electric-blue accent, JetBrains Mono labels.
   --------------------------------------------------------------------------- */
.syscfg-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    background: var(--cl-surface, #fff);
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: .75rem;
}
.syscfg-tab {
    appearance: none;
    background: none;
    border: 0;
    border-bottom: 3px solid transparent;
    padding: .5rem .9rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: #64748b;                 /* AdminTokens.textMuted */
    cursor: pointer;
    white-space: nowrap;
}
.syscfg-tab:hover { color: #111; }
.syscfg-tab.active {
    color: #111;                    /* AdminTokens.text */
    font-weight: 700;
    border-bottom-color: #0055ff;   /* AdminTokens.accent, indicatorWeight 3 */
}
.syscfg-tab .syscfg-tab-count {
    display: inline-block;
    margin-left: .35rem;
    font-size: 10px;
    color: #94a3b8;                 /* AdminTokens.textFaint */
}
.syscfg-tab.has-drift .syscfg-tab-count { color: #ff8a00; font-weight: 700; }

/* Field rows: sunken label column, white value column, hairline separators. */
.syscfg-row { border-bottom: 1px solid #e2e8f0; }
.syscfg-row:last-child { border-bottom: 0; }
.syscfg-row.is-drift { background: rgba(255, 138, 0, .08); }
.syscfg-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(17, 17, 17, .08);   /* AdminTokens.cardShadow */
    margin-bottom: .75rem;
}
.syscfg-card-head {
    background: #f8fafc;            /* AdminTokens.surfaceSunken */
    border-bottom: 1px solid #e2e8f0;
    padding: .4rem .6rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: #64748b;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    width: 100%;
    text-align: left;
}
/* With tabs on, the per-section header repeats the tab label. */
.syscfg-tabbed > [data-tab] > .syscfg-card-head { display: none; }
.syscfg-tabbed > [data-tab] { border: 0; box-shadow: none; margin-bottom: 0; }

/* Machine grid + stat counters, mirroring the kiosk's THIẾT BỊ tab. */
.syscfg-stats { display: flex; gap: .5rem; margin-bottom: .75rem; }
.syscfg-stat {
    flex: 1; background: #fff; border: 1px solid #e2e8f0;
    padding: .4rem .5rem; text-align: center;
}
.syscfg-stat-value { font-size: 18px; font-weight: 700; line-height: 1.1; }
.syscfg-stat-label {
    font-family: 'JetBrains Mono', monospace; font-size: 9px;
    letter-spacing: .06em; color: #94a3b8;
}
.syscfg-grid {
    display: grid; gap: .5rem;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.syscfg-machine { background: #fff; border: 1px solid #e2e8f0; padding: .25rem .4rem .4rem; }
.syscfg-machine-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: .25rem 0 .35rem; border-bottom: 1px solid #e2e8f0; margin-bottom: .25rem;
    font-weight: 600;
}
.syscfg-badge {
    font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: .06em;
    color: #fff; padding: .1rem .35rem;
}
.syscfg-unassigned {
    font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: .06em;
    color: #ff8a00; padding: .15rem 0;
}
/* Payment methods carry their kiosk code, as payment_config_screen shows them. */
.syscfg-methods { background: #f8fafc; border: 1px solid #e2e8f0; padding: .25rem .4rem; margin-bottom: .5rem; }
.syscfg-code {
    font-family: 'JetBrains Mono', monospace; font-size: 9px; color: #94a3b8;
    margin-left: .4rem;
}

/* ── Kiosk config: PROFILE & GIÁ ──────────────────────────────────────────
   The profile is the object and the machine is what uses it, so a profile gets
   a card and the machines priced from it sit inside it. Same porcelain/sunken
   vocabulary as the machine grid above; nothing new invented. */
.syscfg-profile {
    background: #fff; border: 1px solid #e2e8f0;
    margin-bottom: .75rem; padding: 0 0 .4rem;
}
.syscfg-profile-head {
    display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
    background: #f1f5f9; border-bottom: 1px solid #e2e8f0;
    padding: .4rem .5rem; margin-bottom: .25rem;
    font-family: 'JetBrains Mono', monospace; font-size: 12px;
    font-weight: 700; letter-spacing: .04em;
}
.syscfg-actions { display: flex; gap: .4rem; padding: .35rem .5rem; }

/* Provenance and deviation markers. A pill says where a thing came from; a chip
   says something is off about this row. Different jobs, different weights. */
.syscfg-chip {
    font-family: 'JetBrains Mono', monospace; font-size: 9px;
    letter-spacing: .05em; padding: .1rem .35rem;
    border: 1px solid #cbd5e1; color: #64748b; background: #fff;
    white-space: nowrap;
}
.syscfg-chip-warn   { border-color: #ff8a00; color: #b45309; background: rgba(255,138,0,.08); }
.syscfg-chip-danger { border-color: #ff4800; color: #c2410c; background: rgba(255,72,0,.08); }
.syscfg-chip-builtin{ border-color: #94a3b8; color: #475569; background: #f8fafc; }
.syscfg-chip-store  { border-color: #0055ff; color: #0055ff; background: rgba(0,85,255,.06); }

.syscfg-group { border-top: 1px solid #f1f5f9; }
.syscfg-group-head {
    width: 100%; display: flex; justify-content: space-between; align-items: center;
    background: #f8fafc; border: 0; border-bottom: 1px solid #e2e8f0;
    padding: .3rem .5rem; text-align: left;
    font-family: 'JetBrains Mono', monospace; font-size: 10px;
    letter-spacing: .06em; color: #475569;
}
.syscfg-group-head:hover { background: #eef2f7; }

.syscfg-prog { border-bottom: 1px solid #f1f5f9; padding: .15rem 0; }
.syscfg-prog:last-child { border-bottom: 0; }
.syscfg-prog-head {
    display: flex; align-items: center; gap: .4rem; flex-wrap: wrap;
    padding: .25rem .5rem; font-size: 11px; font-weight: 600;
}
/* The byte that reaches the drum. Monospace and always visible, because a
   commissioning technician checks it against the firmware table by eye. */
.syscfg-prog-hex {
    font-family: 'JetBrains Mono', monospace; font-size: 10px;
    color: #0055ff; background: rgba(0,85,255,.06);
    border: 1px solid rgba(0,85,255,.2); padding: 0 .25rem;
}
.syscfg-prog-readonly {
    display: flex; justify-content: space-between;
    padding: .1rem .5rem .3rem; font-size: 11px;
    font-family: 'JetBrains Mono', monospace; color: #475569;
}

.syscfg-note {
    font-size: 11px; color: #64748b; line-height: 1.45;
    padding: .35rem .5rem; background: #f8fafc; border-left: 2px solid #cbd5e1;
    margin: .25rem .5rem;
}
.syscfg-note-warn {
    color: #b45309; background: rgba(255,138,0,.07); border-left-color: #ff8a00;
}
.syscfg-sep {
    font-family: 'JetBrains Mono', monospace; font-size: 9px;
    letter-spacing: .08em; color: #94a3b8;
    padding: .5rem .5rem .2rem; border-top: 1px dashed #e2e8f0; margin-top: .3rem;
}
.syscfg-machine-prices {
    border: 1px solid #e2e8f0; margin: .25rem .5rem; background: #fff;
}
/* On the THIẾT BỊ tab: the machine no longer shows a price, it shows whose
   prices it follows. */
.syscfg-profile-link {
    display: block; width: 100%; text-align: left;
    background: rgba(0,85,255,.05); border: 1px solid rgba(0,85,255,.2);
    color: #0055ff; padding: .2rem .4rem; margin: .2rem 0;
    font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .03em;
}
.syscfg-profile-link:hover { background: rgba(0,85,255,.12); }

/* ── Áp dụng: the diff shown before anything is written ─────────────────── */
.syscfg-delta {
    display: flex; align-items: center; gap: .4rem;
    padding: .2rem .5rem; font-size: 11px;
    border-bottom: 1px solid #f8fafc;
}
.syscfg-delta-mark { font-family: 'JetBrains Mono', monospace; color: #94a3b8; width: 1em; }
.syscfg-delta-name { flex: 0 0 40%; }
.syscfg-delta-text { font-family: 'JetBrains Mono', monospace; color: #475569; }
/* A course change is not a price change: a different byte means the drum runs a
   different programme. It is coloured like the risk it is. */
.syscfg-delta-course { background: rgba(255,72,0,.06); }
.syscfg-delta-course .syscfg-delta-text { color: #c2410c; font-weight: 600; }

/* ── PROFILE & GIÁ: one profile at a time, edited in a dialog ─────────────
   Rendering every profile and every machine down one page produced a tab
   nobody could scan. The kiosk picks one profile from a selector and shows a
   table; so does this. */
.syscfg-picker {
    display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
    padding: .4rem .5rem; margin-bottom: .5rem;
    background: #f1f5f9; border: 1px solid #e2e8f0;
}
.syscfg-picker-label {
    font-family: 'JetBrains Mono', monospace; font-size: 10px;
    letter-spacing: .06em; color: #64748b; margin: 0;
}
.syscfg-picker select { flex: 1 1 220px; max-width: 420px; }

.syscfg-meta {
    font-size: 11px; color: #475569; padding: .3rem .5rem;
    border-bottom: 1px solid #f1f5f9;
}
/* One programme, or one machine, as a scannable line rather than a stack of
   labelled boxes. */
.syscfg-line {
    display: flex; align-items: center; gap: .4rem; flex-wrap: wrap;
    padding: .25rem .5rem; font-size: 11px;
    border-bottom: 1px solid #f8fafc;
}
.syscfg-line:last-child { border-bottom: 0; }
.syscfg-line.is-drift { background: rgba(255, 138, 0, .08); }
.syscfg-line-name { flex: 1 1 40%; min-width: 120px; font-weight: 600; }
.syscfg-line-state {
    font-family: 'JetBrains Mono', monospace; font-size: 9px;
    letter-spacing: .05em; color: #00a352;
}
.syscfg-line-state.is-off { color: #94a3b8; text-decoration: line-through; }
.syscfg-cell { font-family: 'JetBrains Mono', monospace; color: #111; }
.syscfg-cell.is-drift {
    color: #b45309; border-bottom: 1px dashed #ff8a00; cursor: help;
}

/* Dialog bodies. Editing is a dialog because a page of inputs is not a table,
   and the operator came here to read a table. */
.syscfg-dlg-field {
    display: flex; align-items: center; gap: .5rem; padding: .2rem .5rem;
}
.syscfg-dlg-field > label {
    flex: 0 0 40%; margin: 0; font-size: 11px; color: #475569;
}
.syscfg-dlg-field > input, .syscfg-dlg-field > select { flex: 1 1 auto; min-width: 0; }
.syscfg-dlg-prog {
    border: 1px solid #e2e8f0; margin: .3rem .5rem; background: #fff;
}