/**
 * FillThat Admin Styles
 *
 * @version 2.3.0 - Global form element base styles; form layout polish
 * @version 2.2.1 - Applied Urbanist font throughout admin interface
 * @version 2.2.0 - Complete admin interface styling with authentication pages
 */

@import url('https://fonts.googleapis.com/css2?family=Urbanist:ital,wght@0,100..900;1,100..900&display=swap');

/* ========================================
   RESET & BASE STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    font-family: 'Urbanist', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--gray-900);
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

input,
textarea,
select,
button {
    font-family: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* Base styles for all form fields — no class names required */
input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="range"]):not([type="file"]),
textarea,
select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--gray-900);
    background: #fff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}

input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="range"]):not([type="file"]):focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.12);
}

input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="range"]):not([type="file"])::placeholder,
textarea::placeholder {
    color: var(--gray-400);
}

input[disabled],
textarea[disabled],
select[disabled] {
    background: var(--gray-100);
    color: var(--gray-500);
    cursor: not-allowed;
    border-color: var(--gray-200);
}

/* Restore checkbox & radio natural sizing */
input[type="checkbox"],
input[type="radio"] {
    width: auto;
    padding: 0;
    border: none;
    accent-color: var(--primary);
}

/* Select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

textarea {
    min-height: 90px;
    resize: vertical;
}

/* Small hint text under fields */
.form-group small,
.form-group .form-help {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.8rem;
    color: var(--gray-500);
    line-height: 1.4;
}

/* Form row — side-by-side fields */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Constrain form width inside cards */
.card-body form,
.card-body > form {
    max-width: 640px;
}

/* Full-width override when needed */
.card-body form.form-full {
    max-width: none;
}

:root {
    /* Primary Colors */
    --primary: #667eea;
    --primary-dark: #5568d3;
    --primary-light: #818cf8;

    /* Secondary Colors */
    --secondary: #764ba2;
    --secondary-dark: #5e3a82;

    /* Status Colors */
    --success: #10b981;
    --success-dark: #059669;
    --warning: #fbbf24;
    --warning-dark: #f59e0b;
    --error: #ef4444;
    --error-dark: #dc2626;
    --info: #3b82f6;

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

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;

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

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

/* ========================================
   AUTHENTICATION PAGES
   ======================================== */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    padding: var(--spacing-lg);
}

.auth-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 450px;
    padding: var(--spacing-2xl);
}

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

.auth-logo img {
    height: 48px;
    margin-bottom: var(--spacing-md);
}

.auth-logo h1 {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.auth-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.auth-header p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.auth-divider span {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.auth-footer p {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

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

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-toggle:hover {
    color: var(--gray-600);
}

.password-toggle svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   FORM ELEMENTS (named classes — mirrors global base above)
   ======================================== */

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: 1.25rem;
}

.form-group:last-of-type {
    margin-bottom: 0;
}

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    letter-spacing: 0.01em;
}

.form-group label.required::after {
    content: ' *';
    color: var(--error);
}

/* Explicit class versions keep same appearance as global base */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--gray-900);
    background: #fff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--error);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.form-error {
    color: var(--error);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-error svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.form-help {
    color: var(--gray-500);
    font-size: 0.8rem;
    line-height: 1.4;
}

.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-checkbox input,
.form-radio input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

.input-icon svg {
    width: 20px;
    height: 20px;
}

.input-group .form-input {
    padding-left: 40px;
}

.input-group .form-input.has-icon-right {
    padding-right: 40px;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    margin-top: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn:hover:not(:disabled) {
    background: var(--gray-300);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-300);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-1px);
    background: var(--gradient-success);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: var(--error-dark);
}

.btn-warning {
    background: var(--warning);
    color: var(--gray-900);
}

.btn-warning:hover:not(:disabled) {
    background: var(--warning-dark);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-link {
    background: transparent;
    color: var(--primary);
    padding: 0;
}

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

.btn-sm {
    margin-top: unset;
    padding: 0.4rem 0.875rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ========================================
   ALERTS & MESSAGES
   ======================================== */

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    /* display: flex;
    align-items: start; */
    /* gap: var(--spacing-md); */
    border-left: 4px solid;
}

.alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-success {
    background: #d1fae5;
    border-color: var(--success);
    color: #065f46;
}

.alert-error,
.alert-danger {
    background: #fee2e2;
    border-color: var(--error);
    color: #991b1b;
}

.alert-warning {
    background: #fef3c7;
    border-color: var(--warning);
    color: #92400e;
}

.alert-info {
    background: #dbeafe;
    border-color: var(--info);
    color: #1e40af;
}

.alert-dismissible {
    position: relative;
    padding-right: 3rem;
}

.alert-close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0.7;
    padding: 0;
    display: flex;
}

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

/* ========================================
   ADMIN LAYOUT
   ======================================== */

.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background: white;
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
}

.admin-sidebar-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
}

.admin-sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
}

.admin-sidebar-logo img {
    height: 36px;
}

.admin-sidebar-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg) 0;
}

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

.admin-nav li {
    margin-bottom: var(--spacing-xs);
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.75rem var(--spacing-xl);
    color: var(--gray-700);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

.admin-nav a:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.admin-nav a.active {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
    font-weight: 500;
}

.admin-nav a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
}

.admin-nav svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.admin-sidebar-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.admin-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.admin-user-details {
    flex: 1;
    min-width: 0;
}

.admin-user-name {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-user-role {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.admin-main {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
}

.admin-topbar {
    min-height: 64px;
    padding: 0 var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-200);
    background: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.admin-topbar-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.admin-topbar-nav a,
.admin-topbar-user a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

.admin-topbar-nav a:hover,
.admin-topbar-user a:hover {
    color: var(--primary);
}

.admin-topbar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--gray-500);
    font-size: 0.85rem;
    white-space: nowrap;
}

.admin-container {
    margin: 0 auto;
    padding: var(--spacing-2xl);
}

.admin-footer-nav {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    color: var(--gray-500);
    font-size: 0.85rem;
}

.admin-footer-nav a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
}

.admin-footer-nav a:hover {
    color: var(--primary);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-2xl);
}

.admin-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.admin-header p {
    color: var(--gray-600);
    font-size: 1rem;
}

/* ========================================
   STATS CARDS
   ======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all var(--transition-base);
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-label {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.stat-change {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--error);
}

.stat-change svg {
    width: 14px;
    height: 14px;
}

.stat-card.success { border-left: 4px solid var(--success); }
.stat-card.warning { border-left: 4px solid var(--warning); }
.stat-card.danger  { border-left: 4px solid var(--error); }
.stat-card.info    { border-left: 4px solid var(--info); }

/* ========================================
   CARDS & PANELS
   ======================================== */

.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2,
.card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

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

.card-footer {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

/* ========================================
   TABLES
   ======================================== */

.table-container {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

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

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

.table thead {
    background: var(--gray-50);
}

.table th {
    text-align: left;
    padding: 1rem;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--gray-200);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-900);
}

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

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

/* ========================================
   BADGES & TAGS
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-primary {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-error {
    background: #fee2e2;
    color: #991b1b;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

.badge-gray {
    background: var(--gray-200);
    color: var(--gray-700);
}

/* ========================================
   MODALS
   ======================================== */

/* .modal-overlay = backdrop (used in JS-driven modals with overlay class) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal-overlay.active {
    display: flex;
}

/* .modal = backdrop (alternative pattern used in admin pages) */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal.active {
    display: flex;
}

/* .modal-content = the white box inside .modal */
.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 580px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    margin: auto;
    animation: modalSlideIn 0.25s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.modal-close svg {
    width: 24px;
    height: 24px;
}

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

/* Forms rendered directly inside a modal (without .modal-body wrapper) */
.modal-content > form {
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
}

.modal-footer {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ========================================
   LOADING STATES
   ======================================== */

.spinner {
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: var(--radius-full);
    width: 24px;
    height: 24px;
    animation: spin 0.8s linear infinite;
}

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

.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ========================================
   UTILITIES
   ======================================== */

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

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

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

    .admin-topbar {
        padding: var(--spacing-md);
        align-items: flex-start;
        flex-direction: column;
    }

    .admin-container {
        padding: var(--spacing-lg);
    }

    .admin-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

    .auth-card {
        padding: var(--spacing-xl);
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .admin-sidebar,
    .btn,
    .alert,
    .modal {
        display: none;
    }

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

    body {
        background: white;
    }
}