/**
 * KDS Fiber Customer Portal - Main Stylesheet
 * Design System matching kdsmt.com
 */

/* ============================================
   1. CSS VARIABLES (Design Tokens)
============================================ */
:root {
    /* Primary Colors */
    --primary: #7e3084;
    --primary-dark: #581c5c;
    --primary-light: #9333ea;
    --primary-gradient: linear-gradient(135deg, #7e3084, #581c5c);
    
    /* Accent Colors */
    --accent: #9333ea;
    --secondary: #f59e0b;
    
    /* Status Colors */
    --success: #16a34a;
    --success-bg: #dcfce7;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --info: #3b82f6;
    --info-bg: #dbeafe;
    
    /* Neutral Colors */
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-dark: #110e1d;
    --border-subtle: #e2e8f0;
    --border-focus: #7e3084;
    
    /* Text Colors */
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px -10px rgba(126, 48, 132, 0.15);
    --shadow-hover: 0 20px 40px -10px rgba(126, 48, 132, 0.25);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Space Grotesk', var(--font-main);
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
}

/* ============================================
   2. RESET & BASE STYLES
============================================ */
*, *::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: var(--font-main);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg-main);
    min-height: 100vh;
}

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

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

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

/* ============================================
   3. TYPOGRAPHY
============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

.text-gradient {
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ============================================
   4. LAYOUT COMPONENTS
============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-sm {
    max-width: 500px;
}

.container-md {
    max-width: 800px;
}

/* ============================================
   5. BUTTONS
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--primary);
    color: var(--text-white) !important;
    box-shadow: 0 4px 12px rgba(126, 48, 132, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(126, 48, 132, 0.4);
}

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

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

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
}

.btn-ghost:hover:not(:disabled) {
    background: rgba(126, 48, 132, 0.1);
    color: var(--primary);
}

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

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

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

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

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ============================================
   6. FORM ELEMENTS
============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

.form-input {
    display: block;
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--text-main);
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(126, 48, 132, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

.form-input.is-invalid {
    border-color: var(--danger);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23dc2626' viewBox='0 0 16 16'%3E%3Cpath d='M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14zm0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16z'/%3E%3Cpath d='M7.002 11a1 1 0 1 1 2 0 1 1 0 0 1-2 0zM7.1 4.995a.905.905 0 1 1 1.8 0l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 4.995z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    padding-right: 45px;
}

.form-input.is-valid {
    border-color: var(--success);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2316a34a' viewBox='0 0 16 16'%3E%3Cpath d='M16 8A8 8 0 1 1 0 8a8 8 0 0 1 16 0zm-3.97-3.03a.75.75 0 0 0-1.08.022L7.477 9.417 5.384 7.323a.75.75 0 0 0-1.06 1.06L6.97 11.03a.75.75 0 0 0 1.079-.02l3.992-4.99a.75.75 0 0 0-.01-1.05z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    padding-right: 45px;
}

.form-input.is-valid:focus {
    border-color: var(--success);
    box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.1);
}

.form-input.is-invalid:focus {
    border-color: var(--danger);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
}

.form-helper {
    margin-top: var(--space-xs);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.form-error {
    margin-top: var(--space-xs);
    font-size: 0.85rem;
    color: var(--danger);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-check input {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

/* ============================================
   7. CARDS
============================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

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

.card-header {
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(248, 250, 252, 0.5);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

.card-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--border-subtle);
    background: rgba(248, 250, 252, 0.5);
}

.card-hover {
    transition: all var(--transition-normal);
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

/* ============================================
   8. ALERTS & BADGES
============================================ */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.alert-success {
    background: var(--success-bg);
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-warning {
    background: var(--warning-bg);
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-danger {
    background: var(--danger-bg);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-info {
    background: var(--info-bg);
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-pill {
    background: #f3e8ff;
    color: var(--primary);
    border: 1px solid rgba(126, 48, 132, 0.1);
}

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

.badge-warning {
    background: var(--warning-bg);
    color: #b45309;
}

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

.badge-gray {
    background: #f1f5f9;
    color: var(--text-muted);
}

/* ============================================
   9. STATUS INDICATORS
============================================ */
.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: var(--space-sm);
}

.status-dot.green { background: var(--success); }
.status-dot.red { background: var(--danger); }
.status-dot.orange { background: var(--warning); }
.status-dot.purple { background: var(--primary); }
.status-dot.darkblue { background: #1e3a8a; }
.status-dot.yellow { background: #eab308; }

/* ============================================
   10. TABLES
============================================ */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.table th,
.table td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
}

.table th {
    background: rgba(248, 250, 252, 0.8);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr:hover {
    background: rgba(126, 48, 132, 0.02);
}

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

/* ============================================
   11. AUTH LAYOUT (Login/Register Pages)
============================================ */
.auth-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.auth-header {
    padding: var(--space-lg);
    text-align: center;
}

.auth-logo img {
    height: 50px;
}

.auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.auth-card {
    width: 100%;
    max-width: 440px;
}

.auth-card .card-body {
    padding: var(--space-2xl);
}

.auth-title {
    text-align: center;
    margin-bottom: var(--space-sm);
}

.auth-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
}

.auth-footer {
    text-align: center;
    padding: var(--space-lg);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

/* ============================================
   12. DASHBOARD LAYOUT
============================================ */
.dashboard-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Dashboard Header */
.dashboard-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}

.dashboard-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-logo img {
    height: 40px;
}

.dashboard-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.dashboard-nav a {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    padding: var(--space-sm) 0;
    position: relative;
}

.dashboard-nav a:hover,
.dashboard-nav a.active {
    color: var(--primary);
}

.dashboard-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.dashboard-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

/* Mobile menu toggle */
.mobile-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-main);
    background: none;
    border: none;
}

/* Dashboard Main Content */
.dashboard-main {
    flex: 1;
    padding: var(--space-xl) var(--space-lg);
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* Dashboard Welcome Banner */
.welcome-banner {
    background: linear-gradient(135deg, #1e1b4b 0%, #581c5c 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    color: white;
    margin-bottom: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.welcome-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 50%;
    background: radial-gradient(circle at center, rgba(147, 51, 234, 0.3) 0%, transparent 70%);
}

.welcome-banner h1 {
    color: white;
    margin-bottom: var(--space-sm);
    position: relative;
}

.welcome-banner p {
    color: #e9d5ff;
    font-size: 1.1rem;
    margin: 0;
    position: relative;
}

/* Dashboard Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

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

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

.stat-icon.purple {
    background: #f3e8ff;
    color: var(--primary);
}

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

.stat-icon.blue {
    background: var(--info-bg);
    color: var(--info);
}

.stat-icon.orange {
    background: var(--warning-bg);
    color: var(--warning);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--text-main);
    line-height: 1;
}

.stat-value.balance-due { color: var(--danger); }
.stat-value.balance-credit { color: var(--success); }

/* Dashboard Sections */
.dashboard-section {
    margin-bottom: var(--space-xl);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Service Cards */
.service-card {
    display: flex;
    align-items: center;
    padding: var(--space-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    margin-bottom: var(--space-md);
}

.service-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: #f3e8ff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--space-lg);
    font-size: 1.5rem;
}

.service-details {
    flex: 1;
}

.service-name {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: var(--space-xs);
}

.service-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.service-price {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

/* ============================================
   13. MFA CODE INPUT
============================================ */
.mfa-input-group {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    margin: var(--space-xl) 0;
}

.mfa-digit {
    width: 50px;
    height: 60px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mfa-digit:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(126, 48, 132, 0.1);
}

/* ============================================
   14. LOADING STATES
============================================ */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.btn .spinner {
    width: 18px;
    height: 18px;
    border-width: 2px;
    border-color: rgba(255,255,255,0.3);
    border-top-color: white;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ============================================
   15. EMPTY STATES
============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    color: var(--text-muted);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: #f3e8ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.empty-state-icon svg {
    width: 40px;
    height: 40px;
}

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

/* ============================================
   16. INVOICE SPECIFIC
============================================ */
.invoice-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.invoice-status.paid {
    background: var(--success-bg);
    color: var(--success);
}

.invoice-status.due {
    background: var(--warning-bg);
    color: #b45309;
}

.invoice-status.overdue {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ============================================
   17. FOOTER
============================================ */
.dashboard-footer {
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-subtle);
    margin-top: auto;
}

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

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

/* ============================================
   18. UTILITY CLASSES
============================================ */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

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

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   19. RESPONSIVE
============================================ */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .dashboard-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        border-bottom: 1px solid var(--border-subtle);
        box-shadow: var(--shadow-lg);
        display: none;
    }
    
    .dashboard-nav.open {
        display: flex;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .welcome-banner {
        padding: var(--space-xl);
    }
    
    .auth-card .card-body {
        padding: var(--space-xl);
    }
    
    .mfa-digit {
        width: 42px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .table th,
    .table td {
        padding: var(--space-sm) var(--space-md);
    }
    
    .service-card {
        flex-direction: column;
        text-align: center;
    }
    
    .service-icon {
        margin-right: 0;
        margin-bottom: var(--space-md);
    }
    
    .service-price {
        margin-top: var(--space-md);
    }
}

@media (max-width: 480px) {
    .auth-card .card-body {
        padding: var(--space-lg);
    }
    
    .btn-block-mobile {
        width: 100%;
    }
}

/* ============================================
   20. ANIMATIONS
============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

.animate-slide-up {
    animation: slideUp 0.4s ease;
}