/* ==========================================================================
   ZONIX PORTAL - Global Styles
   ========================================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
    /* Primary Colors */
    --color-primary-dark: #162b56;
    --color-primary-blue: #2f7bff;
    --color-primary-light: #ebebeb;

    /* Secondary Colors */
    --color-secondary-orange: #ee9731;
    --color-secondary-green: #84c16f;
    --color-secondary-red: #e85855;

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-heading: 'Arial Rounded MT Bold', 'Helvetica Rounded', Arial, sans-serif;
    --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    line-height: 1.3;
    margin-top: 0;
    margin-bottom: var(--space-4);
    color: var(--color-primary-dark);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

h1:focus {
    outline: none;
}

p {
    margin-top: 0;
    margin-bottom: var(--space-4);
}

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

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: 1.5;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(47, 123, 255, 0.3);
}

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

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

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

/* Secondary Button */
.btn-secondary {
    color: var(--color-primary-dark);
    background-color: var(--color-white);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

/* Success Button */
.btn-success {
    color: var(--color-white);
    background-color: var(--color-secondary-green);
    border-color: var(--color-secondary-green);
}

.btn-success:hover:not(:disabled) {
    background-color: #6ba858;
    border-color: #6ba858;
}

/* Danger Button */
.btn-danger {
    color: var(--color-white);
    background-color: var(--color-secondary-red);
    border-color: var(--color-secondary-red);
}

.btn-danger:hover:not(:disabled) {
    background-color: #d04542;
    border-color: #d04542;
}

/* Link Button */
.btn-link {
    color: var(--color-primary-blue);
    background-color: transparent;
    border-color: transparent;
    padding: var(--space-2) var(--space-3);
}

.btn-link:hover:not(:disabled) {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    background-clip: padding-box;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-primary-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(47, 123, 255, 0.15);
}

.form-control::placeholder {
    color: var(--color-gray-400);
}

.form-control:disabled {
    background-color: var(--color-gray-100);
    cursor: not-allowed;
}

/* Form validation states */
.form-control.valid,
.valid.modified:not([type=checkbox]) {
    border-color: var(--color-secondary-green);
}

.form-control.valid:focus {
    box-shadow: 0 0 0 3px rgba(132, 193, 111, 0.2);
}

.form-control.invalid,
.invalid {
    border-color: var(--color-secondary-red);
}

.form-control.invalid:focus {
    box-shadow: 0 0 0 3px rgba(232, 88, 85, 0.2);
}

.validation-message {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-secondary-red);
}

/* Input with icon */
.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper .form-control {
    padding-left: 2.75rem;
}

.input-icon-wrapper .input-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    pointer-events: none;
}

/* Checkbox */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    margin: 0;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

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

.form-check-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(47, 123, 255, 0.15);
}

.form-check-label {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    cursor: pointer;
}

.darker-border-checkbox.form-check-input {
    border-color: var(--color-gray-500);
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6 {
    margin-bottom: 0;
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-5) var(--space-6);
    border-top: 1px solid var(--color-gray-200);
    background-color: var(--color-gray-50);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* Stats Card */
.stats-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stats-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-xl);
}

.stats-card-icon.blue {
    background-color: rgba(47, 123, 255, 0.1);
    color: var(--color-primary-blue);
}

.stats-card-icon.green {
    background-color: rgba(132, 193, 111, 0.1);
    color: var(--color-secondary-green);
}

.stats-card-icon.orange {
    background-color: rgba(238, 151, 49, 0.1);
    color: var(--color-secondary-orange);
}

.stats-card-icon.red {
    background-color: rgba(232, 88, 85, 0.1);
    color: var(--color-secondary-red);
}

.stats-card-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-500);
    margin-bottom: var(--space-1);
}

.stats-card-value {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-primary-dark);
}

/* ==========================================================================
   Alerts
   ========================================================================== */
.alert {
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
}

.alert-success {
    background-color: rgba(132, 193, 111, 0.1);
    border: 1px solid rgba(132, 193, 111, 0.3);
    color: #4d7a3d;
}

.alert-danger {
    background-color: rgba(232, 88, 85, 0.1);
    border: 1px solid rgba(232, 88, 85, 0.3);
    color: #b34542;
}

.alert-warning {
    background-color: rgba(238, 151, 49, 0.1);
    border: 1px solid rgba(238, 151, 49, 0.3);
    color: #9c6420;
}

.alert-info {
    background-color: rgba(47, 123, 255, 0.1);
    border: 1px solid rgba(47, 123, 255, 0.3);
    color: var(--color-primary-dark);
}

/* ==========================================================================
   Badges
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    line-height: 1.4;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-success {
    background-color: rgba(132, 193, 111, 0.15);
    color: #4d7a3d;
}

.badge-danger {
    background-color: rgba(232, 88, 85, 0.15);
    color: #b34542;
}

.badge-warning {
    background-color: rgba(238, 151, 49, 0.15);
    color: #9c6420;
}

.badge-info {
    background-color: rgba(47, 123, 255, 0.15);
    color: var(--color-primary-blue);
}

.badge-secondary {
    background-color: var(--color-gray-200);
    color: var(--color-gray-600);
}

/* ==========================================================================
   Tables
   ========================================================================== */
.table-container {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

.table th {
    padding: var(--space-4) var(--space-5);
    font-weight: var(--font-semibold);
    text-align: left;
    color: var(--color-gray-600);
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.table td {
    padding: var(--space-4) var(--space-5);
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-100);
}

.table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ==========================================================================
   Page Content
   ========================================================================== */
.content {
    padding-top: 1.1rem;
}

.page-header {
    margin-bottom: var(--space-8);
}

.page-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-primary-dark);
    margin-bottom: var(--space-2);
}

.page-subtitle {
    font-size: var(--text-base);
    color: var(--color-gray-500);
    margin-bottom: 0;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary-blue); }
.text-success { color: var(--color-secondary-green); }
.text-danger { color: var(--color-secondary-red); }
.text-warning { color: var(--color-secondary-orange); }
.text-muted { color: var(--color-gray-500); }

.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Grid */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.empty-state-icon {
    font-size: 3rem;
    color: var(--color-gray-300);
    margin-bottom: var(--space-4);
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.empty-state-text {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--space-6);
}

/* ==========================================================================
   Loading Spinner
   ========================================================================== */
.spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 1rem;
    height: 1rem;
}

.spinner-lg {
    width: 2rem;
    height: 2rem;
}

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

/* ==========================================================================
   Modal
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    padding: var(--space-4);
}

.modal {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-primary-dark);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-xl);
    color: var(--color-gray-400);
    cursor: pointer;
    padding: var(--space-1);
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-gray-600);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-6);
    border-top: 1px solid var(--color-gray-200);
}

/* ==========================================================================
   Blazor Error UI
   ========================================================================== */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, var(--color-secondary-red);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--radius-lg);
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

/* ==========================================================================
   Admin Dashboard & Shared Components
   ========================================================================== */

/* Page Header */
.page-header {
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.page-header .text-muted {
    color: var(--color-gray-500);
    font-size: var(--text-sm);
    margin: 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background: var(--color-white);
    border-radius: var(--radius-lg, 12px);
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--color-gray-100);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.blue { background: #eff6ff; color: #3b82f6; }
.stat-icon.green { background: #f0fdf4; color: #22c55e; }
.stat-icon.orange { background: #fff7ed; color: #f97316; }
.stat-icon.red { background: #fef2f2; color: #ef4444; }

.stat-content {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.stat-label {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.3;
}

.stat-value small {
    font-size: var(--text-sm);
    font-weight: 400;
}

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg, 12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--color-gray-100);
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.card-header h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0;
}

.card-header .text-muted {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin: 0.25rem 0 0;
}

.card-body {
    padding: 1.5rem;
}

.card-body.p-0 {
    padding: 0;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead th {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-gray-200);
    text-align: left;
}

.table tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-gray-50);
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    vertical-align: middle;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table-responsive {
    overflow-x: auto;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1.4;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-secondary { background: var(--color-gray-100); color: var(--color-gray-600); }

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

/* Utility: d-flex, gap, etc. */
.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.align-items-center { align-items: center; }
.align-items-end { align-items: flex-end; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.ms-2 { margin-left: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.py-3 { padding-top: 1rem; padding-bottom: 1rem; }
.w-100 { width: 100%; }
.text-center { text-align: center; }
.text-muted { color: var(--color-gray-500); }
.text-danger { color: var(--color-secondary-red); }
.bg-light { background: var(--color-gray-50); }

/* Button groups */
.btn-group {
    display: inline-flex;
    gap: 0.25rem;
}

.btn-outline-primary {
    background: transparent;
    color: var(--color-primary-blue);
    border: 1px solid var(--color-primary-blue);
}
.btn-outline-primary:hover:not(:disabled) {
    background: var(--color-primary-blue);
    color: white;
}

.btn-outline-secondary {
    background: transparent;
    color: var(--color-gray-600);
    border: 1px solid var(--color-gray-300);
}
.btn-outline-secondary:hover:not(:disabled) {
    background: var(--color-gray-100);
}

.btn-outline-success {
    background: transparent;
    color: #16a34a;
    border: 1px solid #16a34a;
}
.btn-outline-success:hover:not(:disabled) {
    background: #16a34a;
    color: white;
}

.btn-outline-danger {
    background: transparent;
    color: var(--color-secondary-red);
    border: 1px solid var(--color-secondary-red);
}
.btn-outline-danger:hover:not(:disabled) {
    background: var(--color-secondary-red);
    color: white;
}

/* Loading & Empty States */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--color-gray-500);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

.spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

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

.empty-state {
    color: var(--color-gray-400);
    font-size: var(--text-sm);
}

/* Input group */
.input-group {
    display: flex;
}

.input-group .input-group-text {
    padding: 0.5rem 0.75rem;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-300);
    border-right: none;
    border-radius: var(--radius-md, 8px) 0 0 var(--radius-md, 8px);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
}

.input-group .form-control {
    border-radius: 0 var(--radius-md, 8px) var(--radius-md, 8px) 0;
}

.input-group-sm .input-group-text {
    padding: 0.25rem 0.5rem;
    font-size: var(--text-xs);
}

.input-group-sm .form-control {
    padding: 0.25rem 0.5rem;
    font-size: var(--text-sm);
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md, 8px);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
}

.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-danger { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* Form actions */
.form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Form text */
.form-text {
    font-size: var(--text-xs);
    margin-top: 0.25rem;
    display: block;
}

/* Form check */
.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.form-check-label {
    font-size: var(--text-sm);
    cursor: pointer;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    width: 100%;
    max-width: 500px;
    margin: 1rem;
}

.modal-dialog.modal-lg {
    max-width: 800px;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-lg, 12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin: 0;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-gray-100);
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-gray-400);
    padding: 0.25rem;
}

.btn-close:hover {
    color: var(--color-gray-700);
}

/* Table sm variant */
.table-sm td, .table-sm th {
    padding: 0.4rem 0.75rem;
}