/**
 * NEQ Tracker - Main Stylesheet
 *
 * Design System based on NEQ branding:
 * - Primary: Olive Green #5c6b3c
 * - Secondary: Charcoal #666666
 * - Clean, modern, industrial feel
 */

/* ============================================
   CSS VARIABLES (Design Tokens)
   ============================================ */
:root {
    /* Primary Brand Colors */
    --color-primary: #5c6b3c;
    --color-primary-hover: #4a5630;
    --color-primary-light: #e8ebdf;

    /* Secondary Brand Colors (Charcoal) */
    --color-charcoal: #666666;
    --color-charcoal-dark: #555555;
    --color-charcoal-light: #7a7a7a;

    /* Neutral Colors */
    --color-background: #f5f5f4;
    --color-surface: #ffffff;
    --color-border: #e0e0e0;
    --color-border-hover: #cccccc;

    /* Text Colors */
    --color-text: #2d2d2d;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    --color-text-inverse: #ffffff;

    /* Semantic Colors */
    --color-success: #5c6b3c;
    --color-success-light: #e8ebdf;
    --color-warning: #b8860b;
    --color-warning-light: #fef3c7;
    --color-danger: #b91c1c;
    --color-danger-light: #fee2e2;
    --color-info: #666666;
    --color-info-light: #f0f0f0;

    /* Hazard Type Colors */
    --color-hazard-1: #dc2626;
    --color-hazard-1-bg: #fee2e2;
    --color-hazard-2: #ea580c;
    --color-hazard-2-bg: #ffedd5;
    --color-hazard-3: #ca8a04;
    --color-hazard-3-bg: #fef3c7;
    --color-hazard-4: #16a34a;
    --color-hazard-4-bg: #dcfce7;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-pill: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-focus: 0 0 0 3px rgba(92, 107, 60, 0.2);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;

    /* Layout */
    --sidebar-width: 240px;
    --header-height: 60px;
    --content-max-width: 1200px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

h1 { font-size: var(--font-size-xl); }
h2 { font-size: var(--font-size-lg); }
h3 { font-size: var(--font-size-md); }
h4, h5, h6 { font-size: var(--font-size-base); }

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

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

.label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
}

/* ============================================
   APP LAYOUT (Sidebar + Main)
   ============================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--color-charcoal);
    color: var(--color-text-inverse);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-charcoal-light);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-inverse);
    text-decoration: none;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.brand-logo-text {
    font-size: 14px;
    font-weight: 800;
    color: white;
    letter-spacing: 1px;
}

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

.brand-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 10px;
    color: var(--color-text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) 0;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px var(--spacing-lg);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background-color: var(--color-charcoal-dark);
    color: var(--color-text-inverse);
}

.nav-link.active {
    background-color: var(--color-charcoal-dark);
    color: var(--color-text-inverse);
    border-left-color: var(--color-primary);
}

.nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    flex-shrink: 0;
}

.nav-text {
    font-size: var(--font-size-base);
}

.nav-divider {
    height: 1px;
    background-color: var(--color-charcoal-light);
    margin: var(--spacing-sm) var(--spacing-lg);
}

.nav-section-title {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-charcoal-light);
}

.logout-link {
    color: rgba(255, 255, 255, 0.6);
}

.logout-link:hover {
    color: var(--color-danger);
    background-color: transparent;
}

/* Sidebar Overlay (mobile) */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

/* Main Content Wrapper */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top Header */
.top-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sidebar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
}

.toggle-icon {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
}

.toggle-icon::before,
.toggle-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    left: 0;
}

.toggle-icon::before { top: -6px; }
.toggle-icon::after { bottom: -6px; }

.page-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
    border-color: var(--color-border-hover);
    background-color: var(--color-background);
}

.user-name {
    font-weight: var(--font-weight-medium);
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.dropdown-arrow {
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.user-menu.open .dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-xs);
    min-width: 160px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.user-menu.open .user-dropdown {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--color-background);
}

.dropdown-item-danger {
    color: var(--color-danger);
}

.dropdown-item-danger:hover {
    background-color: var(--color-danger-light);
}

/* Breadcrumbs */
.breadcrumb-wrapper {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumbs ol {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-sm);
}

.breadcrumb-item {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-sm);
    color: var(--color-border);
}

.breadcrumb-item a {
    color: var(--color-text-secondary);
}

.breadcrumb-item a:hover {
    color: var(--color-primary);
}

.breadcrumb-item.active {
    color: var(--color-text);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-lg);
    max-width: var(--content-max-width);
    width: 100%;
}

/* Footer */
.main-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.card + .card {
    margin-top: var(--spacing-lg);
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-background);
}

/* Dashboard Cards (clickable) */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.dashboard-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

.dashboard-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.dashboard-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.dashboard-card-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.dashboard-card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:focus {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--color-border-hover);
    background-color: var(--color-background);
}

/* Danger Button */
.btn-danger {
    background-color: var(--color-danger);
    color: var(--color-text-inverse);
    border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    background-color: #991b1b;
    border-color: #991b1b;
}

/* Charcoal Button */
.btn-charcoal {
    background-color: var(--color-charcoal);
    color: var(--color-text-inverse);
    border-color: var(--color-charcoal);
}

.btn-charcoal:hover:not(:disabled) {
    background-color: var(--color-charcoal-dark);
    border-color: var(--color-charcoal-dark);
}

/* Button Sizes */
.btn-sm {
    padding: 6px 12px;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--font-size-md);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.form-label .required {
    color: var(--color-danger);
}

.form-label-link {
    font-weight: var(--font-weight-normal);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    text-decoration: none;
    margin-left: var(--spacing-xs);
}

.form-label-link:hover {
    text-decoration: underline;
}

.form-control {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: var(--font-size-base);
    font-family: inherit;
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

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

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--color-background);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.2);
}

/* Select */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2.5 4.5L6 8L9.5 4.5' stroke='%23666666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* Textarea */
textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Form Help Text */
.form-text {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Validation Feedback */
.invalid-feedback {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-danger);
}

/* Form Row (for inline fields) */
.form-row {
    display: flex;
    gap: var(--spacing-md);
}

.form-row .form-group {
    flex: 1;
}

/* ============================================
   TABLES
   ============================================ */
.table-wrapper {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-base);
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    background-color: var(--color-background);
}

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

.table tbody tr:hover {
    background-color: #f0f0ef;
}

.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-pill);
}

.badge-active {
    background-color: var(--color-success-light);
    color: var(--color-success);
}

.badge-inactive {
    background-color: var(--color-info-light);
    color: var(--color-info);
}

.badge-suspended {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-maintenance {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
}

/* Hazard Badges */
.badge-hazard-1 {
    background-color: var(--color-hazard-1-bg);
    color: var(--color-hazard-1);
}

.badge-hazard-2 {
    background-color: var(--color-hazard-2-bg);
    color: var(--color-hazard-2);
}

.badge-hazard-3 {
    background-color: var(--color-hazard-3-bg);
    color: var(--color-hazard-3);
}

.badge-hazard-4 {
    background-color: var(--color-hazard-4-bg);
    color: var(--color-hazard-4);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    border-left: 4px solid transparent;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background-color: var(--color-success-light);
    border-left-color: var(--color-success);
    color: var(--color-success);
}

.alert-danger {
    background-color: var(--color-danger-light);
    border-left-color: var(--color-danger);
    color: var(--color-danger);
}

.alert-warning {
    background-color: var(--color-warning-light);
    border-left-color: var(--color-warning);
    color: #92400e;
}

.alert-info {
    background-color: var(--color-info-light);
    border-left-color: var(--color-info);
    color: var(--color-info);
}

/* Compatibility warning list */
.compatibility-warning-list {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
    list-style-type: disc;
}

.compatibility-warning-list li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.compatibility-warning-list li:last-child {
    margin-bottom: 0;
}

.compatibility-warning-list em {
    font-style: italic;
    color: inherit;
    opacity: 0.9;
}

/* ============================================
   CAPACITY BAR
   ============================================ */
.capacity-bar {
    width: 100%;
    height: 8px;
    background-color: var(--color-border);
    border-radius: var(--radius-pill);
    overflow: hidden;
}

.capacity-bar-fill {
    height: 100%;
    border-radius: var(--radius-pill);
    transition: width var(--transition-normal);
}

.capacity-bar-fill.capacity-normal {
    background-color: var(--color-success);
}

.capacity-bar-fill.capacity-warning {
    background-color: var(--color-warning);
}

.capacity-bar-fill.capacity-danger {
    background-color: var(--color-danger);
}

.capacity-bar-fill.capacity-over {
    background-color: var(--color-danger);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.capacity-text {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Mini capacity bar for table views */
.capacity-bar-inline {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 150px;
}

.capacity-bar-mini {
    width: 100%;
    height: 6px;
    background-color: var(--color-border);
    border-radius: var(--radius-pill);
    overflow: hidden;
}

.capacity-bar-mini .capacity-bar-fill {
    height: 100%;
    border-radius: var(--radius-pill);
}

.capacity-text-mini {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination-link.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.pagination-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-charcoal);
    padding: var(--spacing-lg);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(92, 107, 60, 0.3);
    margin-bottom: var(--spacing-md);
}

.login-logo-text {
    font-size: 20px;
    font-weight: 800;
    color: white;
    letter-spacing: 2px;
}

.login-brand {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-xs);
}

.login-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    letter-spacing: 1px;
}

.login-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.login-form .btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ============================================
   UTILITIES
   ============================================ */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.text-center { text-align: center; }
.text-right { text-align: right; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

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

    .main-wrapper {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .main-content {
        padding: var(--spacing-md);
    }

    .card-body {
        padding: var(--spacing-md);
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .table th,
    .table td {
        padding: var(--spacing-sm) 12px;
    }

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

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.page-header-content {
    flex: 1;
}

.page-description {
    color: var(--color-text-secondary);
    margin: 0;
}

.page-header-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* ============================================
   LOCATION GRID (Storage Locations)
   ============================================ */
.location-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    align-items: stretch;
}

.location-grid > .location-card {
    height: 100%;
}

.location-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.location-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.location-card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.location-info {
    flex: 1;
    min-width: 0;
}

.location-name {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    line-height: 1.3;
}

.location-name a {
    color: inherit;
    text-decoration: none;
}

.location-name a:hover {
    color: var(--color-primary);
}

.location-type {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.location-usage {
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-border);
    margin: 0;
}

.capacity-bar-wrapper {
    padding: var(--spacing-md) var(--spacing-lg);
}

.capacity-stats {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

.location-hazard {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.location-card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.location-card-body {
    padding: var(--spacing-lg);
    flex: 1;
}

.location-card-usage {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.location-card-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.location-stat {
    text-align: center;
}

.location-stat-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

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

/* ============================================
   CAPACITY COMPONENTS
   ============================================ */
.capacity-bar-sm {
    height: 6px;
}

.capacity-bar-lg {
    height: 12px;
}

.capacity-overview {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.capacity-numbers {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.capacity-number {
    text-align: center;
}

.capacity-number-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.capacity-number-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.capacity-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

.capacity-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-pill);
}

.capacity-badge.capacity-normal {
    background-color: var(--color-success-light);
    color: var(--color-success);
}

.capacity-badge.capacity-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
}

.capacity-badge.capacity-danger,
.capacity-badge.capacity-over {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

/* Capacity Summary (for reports) */
.capacity-summary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.capacity-summary-stats {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.capacity-stat {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.capacity-stat-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.capacity-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   HAZARD LIMITS GRID
   ============================================ */
.hazard-limits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.hazard-limit-card {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    text-align: center;
}

.hazard-limit-card.type-1 {
    background-color: var(--color-hazard-1-bg);
    border: 1px solid var(--color-hazard-1);
}

.hazard-limit-card.type-2 {
    background-color: var(--color-hazard-2-bg);
    border: 1px solid var(--color-hazard-2);
}

.hazard-limit-card.type-3 {
    background-color: var(--color-hazard-3-bg);
    border: 1px solid var(--color-hazard-3);
}

.hazard-limit-card.type-4 {
    background-color: var(--color-hazard-4-bg);
    border: 1px solid var(--color-hazard-4);
}

.hazard-limit-type {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.hazard-limit-value {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   STATS GRID (Reports)
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-card-warning {
    border-left: 4px solid var(--color-warning);
}

.stat-card-danger {
    border-left: 4px solid var(--color-danger);
}

.stat-card-success {
    border-left: 4px solid var(--color-success);
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   REPORTS GRID
   ============================================ */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.report-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

.report-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.report-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.report-card-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.report-card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

/* ============================================
   FILTERS FORM
   ============================================ */
.filters-form {
    padding: var(--spacing-lg);
}

.filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 150px;
    max-width: 200px;
}

.filter-group-lg {
    max-width: 300px;
}

.filter-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.filter-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-left: auto;
}

@media (max-width: 768px) {
    .filters-row {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group,
    .filter-group-lg {
        max-width: none;
    }

    .filter-actions {
        margin-left: 0;
        margin-top: var(--spacing-md);
    }
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    padding: var(--spacing-2xl);
    text-align: center;
}

.empty-state h3 {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   TABLE ENHANCEMENTS
   ============================================ */
.table-responsive {
    overflow-x: auto;
}

.table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-background);
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.table-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.table-link:hover {
    color: var(--color-primary);
}

.text-sm {
    font-size: var(--font-size-sm);
}

/* ============================================
   INFO LIST (Detail Pages)
   ============================================ */
.info-list {
    display: grid;
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

/* ============================================
   STOCK DISPLAY
   ============================================ */
.stock-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stock-summary-card {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
}

.stock-summary-type {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.stock-summary-weight {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   TRANSACTION TYPE BADGES
   ============================================ */
.badge-success {
    background-color: var(--color-success-light);
    color: var(--color-success);
}

.badge-danger {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
}

/* ============================================
   BUTTON VARIANTS
   ============================================ */
.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-background);
    color: var(--color-text);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    align-items: start;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    align-items: start;
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   INPUT GROUP
   ============================================ */
.input-group {
    display: flex;
}

.input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group-append {
    display: flex;
}

.input-group-append .btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* ============================================
   DETAIL LISTS
   ============================================ */
.detail-section {
    margin-bottom: var(--spacing-xl);
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-section-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

/* Client/Keyholder/Location Lists on detail pages */
.item-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.item-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
}

.item-list-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.item-list-link:hover {
    color: var(--color-primary);
}

.item-list-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Location list (client detail page) */
.location-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.location-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
}

.location-list li a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.location-list li a:hover {
    color: var(--color-primary);
}

/* Keyholder list (client detail page) */
.keyholder-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.keyholder-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
}

.keyholder-list .keyholder-name {
    font-weight: var(--font-weight-medium);
}

.keyholder-list .keyholder-phone {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Client list (storage location detail page) */
.client-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.client-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
}

.client-list li a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.client-list li a:hover {
    color: var(--color-primary);
}

/* ============================================
   CAPACITY DISPLAY (Transaction Forms)
   ============================================ */
.capacity-display {
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
}

.capacity-display.loading {
    opacity: 0.6;
}

.capacity-display-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.capacity-display-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.capacity-display-item {
    flex: 1;
    min-width: 120px;
}

.capacity-display-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    display: block;
}

.capacity-display-value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}

.capacity-warning-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-warning-light);
    border-left: 3px solid var(--color-warning);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: #92400e;
}

/* ============================================
   STOCK AVAILABILITY (Book Out Form)
   ============================================ */
.stock-availability {
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
}

.stock-availability-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.stock-availability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-sm);
}

.stock-availability-item {
    padding: var(--spacing-sm);
    background-color: var(--color-surface);
    border-radius: var(--radius-sm);
    text-align: center;
}

.stock-availability-type {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stock-availability-weight {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   FORM SECTIONS
   ============================================ */
.form-section {
    margin-bottom: var(--spacing-xl);
}

.form-section-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

/* ============================================
   DELETE CONFIRMATION
   ============================================ */
.delete-warning {
    padding: var(--spacing-lg);
    background-color: var(--color-danger-light);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
}

.delete-warning h3 {
    color: var(--color-danger);
    margin-bottom: var(--spacing-sm);
}

.delete-warning p {
    color: #991b1b;
    margin: 0;
}

.delete-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* ============================================
   CHECKBOX GROUPS
   ============================================ */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.checkbox-item label {
    cursor: pointer;
    user-select: none;
}

/* ============================================
   SUMMARY BOXES
   ============================================ */
.summary-box {
    padding: var(--spacing-lg);
    background-color: var(--color-primary-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-primary);
}

.summary-box-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.summary-box-content {
    display: grid;
    gap: var(--spacing-sm);
}

.summary-item {
    display: flex;
    justify-content: space-between;
}

.summary-item-label {
    color: var(--color-text-secondary);
}

.summary-item-value {
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   INPUT GROUP ADDON
   ============================================ */
.input-group-addon {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   FORM HINTS & ERRORS
   ============================================ */
.form-hint {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.form-error {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-danger);
}

/* ============================================
   FORM ACTIONS
   ============================================ */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* ============================================
   CHECKBOX LABEL
   ============================================ */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* ============================================
   TABLE VARIANTS
   ============================================ */
.table-sm th,
.table-sm td {
    padding: var(--spacing-sm) var(--spacing-md);
}

/* ============================================
   REQUIRED FIELD INDICATOR
   ============================================ */
.form-label.required::after {
    content: " *";
    color: var(--color-danger);
}

/* ============================================
   KEYHOLDER VIEW PAGE
   ============================================ */
.keyholder-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.keyholder-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-body p {
    margin: 0 0 var(--spacing-sm) 0;
}

.modal-body p:last-child {
    margin-bottom: 0;
}

.modal-footer {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-background);
}