/*
 * Pick Up My Things - Modern Admin Panel Stylesheet
 * Brand Colors: Pink #E7D1F1, Purple #D396ED, Teal #46BBED
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Brand Colors */
    --brand-pink: #E7D1F1;
    --brand-purple: #D396ED;
    --brand-teal: #46BBED;
    
    /* Extended Palette */
    --brand-pink-light: #F5EAF9;
    --brand-pink-dark: #C9A8D9;
    --brand-purple-light: #E8C5F5;
    --brand-purple-dark: #B56AD4;
    --brand-teal-light: #7DD1F5;
    --brand-teal-dark: #2A9BC9;
    
    /* Neutrals */
    --white: #FFFFFF;
    --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;
    
    /* Status Colors */
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --info: #3B82F6;
    --info-light: #DBEAFE;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--brand-purple) 0%, var(--brand-teal) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--brand-pink) 0%, var(--brand-purple) 100%);
    --gradient-accent: linear-gradient(135deg, var(--brand-teal) 0%, var(--brand-purple) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
    --header-height: 64px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-700);
    background-color: var(--gray-100);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

a {
    color: var(--brand-teal-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--brand-purple);
}

/* ========================================
   Login Page Styles
   ======================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    position: relative;
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo img {
    max-width: 180px;
    height: auto;
}

.login-logo h1 {
    font-size: 1.5rem;
    color: var(--gray-800);
    margin-top: 16px;
    font-weight: 700;
}

.login-logo p {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-top: 4px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.login-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-form label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.login-form input[type="text"],
.login-form input[type="email"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--white);
}

.login-form input:focus {
    outline: none;
    border-color: var(--brand-purple);
    box-shadow: 0 0 0 3px rgba(211, 150, 237, 0.2);
}

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

.login-remember {
    display: flex;
    align-items: center;
    gap: 8px;
}

.login-remember input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-purple);
    cursor: pointer;
}

.login-remember label {
    font-size: 0.875rem;
    color: var(--gray-600);
    cursor: pointer;
}

.login-btn {
    width: 100%;
    padding: 14px 24px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

.login-error {
    background: var(--danger-light);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    text-align: center;
    margin-bottom: 16px;
}

.login-success {
    background: var(--success-light);
    color: var(--success);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    text-align: center;
    margin-bottom: 16px;
}

/* ========================================
   Main Layout Structure
   ======================================== */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ========================================
   Sidebar Navigation
   ======================================== */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: width var(--transition-slow);
    overflow-x: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-logo img {
    max-width: 28px;
    max-height: 28px;
}

.sidebar-brand {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    white-space: nowrap;
}

.sidebar.collapsed .sidebar-brand {
    display: none;
}

.sidebar-nav {
    padding: 16px 0;
    overflow-y: auto;
    height: calc(100vh - 80px);
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    padding: 8px 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-400);
    font-weight: 600;
}

.sidebar.collapsed .nav-section-title {
    display: none;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--gray-300);
    transition: all var(--transition-fast);
    gap: 12px;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--white);
}

.nav-item.active {
    background: rgba(211, 150, 237, 0.15);
    color: var(--brand-purple-light);
    border-left-color: var(--brand-purple);
}

.nav-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.nav-text {
    white-space: nowrap;
}

.sidebar.collapsed .nav-text {
    display: none;
}

.nav-badge {
    margin-left: auto;
    background: var(--brand-teal);
    color: var(--white);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.sidebar.collapsed .nav-badge {
    display: none;
}

/* ========================================
   Main Content Area
   ======================================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-slow);
}

.sidebar.collapsed + .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* ========================================
   Top Header
   ======================================== */
.top-header {
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-search {
    position: relative;
}

.header-search input {
    width: 280px;
    padding: 10px 16px 10px 40px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    background: var(--gray-50);
    transition: all var(--transition-fast);
}

.header-search input:focus {
    outline: none;
    border-color: var(--brand-purple);
    background: var(--white);
}

.header-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    position: relative;
}

.header-btn:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.header-btn .badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 18px;
    height: 18px;
    background: var(--danger);
    color: var(--white);
    font-size: 0.625rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px 6px 6px;
    background: var(--gray-50);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu:hover {
    background: var(--gray-100);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.875rem;
}

.user-info {
    text-align: left;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ========================================
   Page Content
   ======================================== */
.page-content {
    padding: 24px;
}

/* ========================================
   Dashboard Cards
   ======================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all var(--transition);
}

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

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

.stat-icon.pink {
    background: var(--brand-pink-light);
    color: var(--brand-purple);
}

.stat-icon.purple {
    background: var(--brand-purple-light);
    color: var(--brand-purple-dark);
}

.stat-icon.teal {
    background: rgba(70, 187, 237, 0.15);
    color: var(--brand-teal-dark);
}

.stat-icon.success {
    background: var(--success-light);
    color: var(--success);
}

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

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

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

.stat-change.negative {
    background: var(--danger-light);
    color: var(--danger);
}

/* ========================================
   Cards & Panels
   ======================================== */
.card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
}

.card-actions {
    display: flex;
    gap: 8px;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* ========================================
   Modern Data Tables
   ======================================== */
.data-table-wrapper {
    overflow-x: auto;
}

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

.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.875rem;
    color: var(--gray-700);
}

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

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

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

.table-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.table-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.table-user-info {
    display: flex;
    flex-direction: column;
}

.table-user-name {
    font-weight: 600;
    color: var(--gray-800);
}

.table-user-email {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ========================================
   Status Badges
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

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

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

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

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

.badge-purple {
    background: var(--brand-purple-light);
    color: var(--brand-purple-dark);
}

.badge-teal {
    background: rgba(70, 187, 237, 0.15);
    color: var(--brand-teal-dark);
}

/* ========================================
   Modern Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

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

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

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #DC2626;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--brand-purple);
    color: var(--brand-purple);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius);
}

/* ========================================
   Modern Form Styles
   ======================================== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-label.required::after {
    content: '*';
    color: var(--danger);
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.875rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--gray-800);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--brand-purple);
    box-shadow: 0 0 0 3px rgba(211, 150, 237, 0.2);
}

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

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

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

.form-control.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 4px;
}

.form-error {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 4px;
}

.form-row {
    display: flex;
    gap: 16px;
}

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

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-purple);
    cursor: pointer;
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--gray-700);
}

/* Switch Toggle */
.form-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.form-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.form-switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gray-300);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.form-switch-slider::before {
    position: absolute;
    content: '';
    width: 20px;
    height: 20px;
    left: 3px;
    bottom: 3px;
    background: var(--white);
    border-radius: var(--radius-full);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.form-switch input:checked + .form-switch-slider {
    background: var(--brand-purple);
}

.form-switch input:checked + .form-switch-slider::before {
    transform: translateX(22px);
}

/* ========================================
   Action Buttons for Tables
   ======================================== */
.action-buttons {
    display: flex;
    gap: 8px;
}

.action-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.action-btn.edit:hover {
    background: var(--info-light);
    color: var(--info);
}

.action-btn.delete:hover {
    background: var(--danger-light);
    color: var(--danger);
}

.action-btn.view:hover {
    background: var(--brand-purple-light);
    color: var(--brand-purple-dark);
}

/* ========================================
   Alerts & Notifications
   ======================================== */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.alert-icon {
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.alert-message {
    font-size: 0.875rem;
}

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

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

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

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

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination-btn {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-700);
    font-size: 0.875rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--brand-purple);
    color: var(--brand-purple);
}

.pagination-btn.active {
    background: var(--brand-purple);
    border-color: var(--brand-purple);
    color: var(--white);
}

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

/* ========================================
   Modal
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: all var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--gray-400);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.empty-state-desc {
    color: var(--gray-500);
    margin-bottom: 24px;
}

/* ========================================
   Loading States
   ======================================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--brand-purple);
    border-radius: var(--radius-full);
    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);
}

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

/* ========================================
   Dropdown Menu
   ======================================== */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 50;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--gray-700);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--gray-900);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-100);
    margin: 8px 0;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .header-search {
        display: none;
    }
}

@media (max-width: 768px) {
    .page-content {
        padding: 16px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .user-info {
        display: none;
    }
    
    .data-table th,
    .data-table td {
        padding: 12px 8px;
    }
    
    .modal {
        margin: 16px;
        max-width: calc(100% - 32px);
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 24px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 10px 16px;
    }
}

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

.text-muted { color: var(--gray-500); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mt-5 { margin-top: 32px; }

.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mb-5 { margin-bottom: 32px; }

.p-1 { padding: 4px; }
.p-2 { padding: 8px; }
.p-3 { padding: 16px; }
.p-4 { padding: 24px; }
.p-5 { padding: 32px; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.gap-4 { gap: 24px; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

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

.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }