/**
 * LGT Crestone Wealth Management - Main Stylesheet
 * Premium Professional Design
 */

/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    /* Primary Colors */
    --primary-color: #1a3a5c;
    --primary-dark: #0d2137;
    --primary-light: #2d5a8a;
    
    /* Secondary Colors */
    --secondary-color: #c9a227;
    --secondary-dark: #a68520;
    --secondary-light: #e6c455;
    
    /* Accent Colors */
    --accent-color: #4a90a4;
    --accent-dark: #357082;
    --accent-light: #6bb0c4;
    
    /* Status Colors */
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --text-color: #333333;
    --text-muted: #6c757d;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --gradient-gold: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Font Families */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-gray);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-dark);
    margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-white { color: var(--white) !important; }

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

.font-weight-bold { font-weight: 700; }
.font-weight-semibold { font-weight: 600; }
.font-weight-normal { font-weight: 400; }

/* ============================================
   Layout Components
   ============================================ */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
}

/* Grid System */
.grid {
    display: grid;
    gap: 20px;
}

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

@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

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

/* ============================================
   Authentication Pages
   ============================================ */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    padding: 40px 20px;
    position: relative;
    overflow: hidden;
}

.auth-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
}

.auth-wrapper::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(74, 144, 164, 0.1) 0%, transparent 70%);
    animation: pulse 20s ease-in-out infinite reverse;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.auth-container {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
}

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

.auth-header {
    background: var(--gradient-primary);
    padding: 40px 30px;
    text-align: center;
}

.auth-logo {
    height: 50px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.auth-title {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.auth-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.auth-body {
    padding: 40px 30px;
}

.auth-footer {
    padding: 20px 30px;
    background: var(--light-gray);
    text-align: center;
    border-top: 1px solid var(--medium-gray);
}

.auth-footer p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--primary-color);
    font-weight: 600;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.9rem;
}

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    font-family: var(--font-primary);
    color: var(--text-color);
    background-color: var(--white);
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

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

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

.form-control.is-valid {
    border-color: var(--success-color);
}

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

.input-group .form-control {
    flex: 1;
}

.input-group-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.input-group .form-control.has-icon {
    padding-left: 45px;
}

.input-group-append {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
}

.password-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
}

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

.form-text {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.invalid-feedback {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--danger-color);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.form-check-label {
    font-size: 0.9rem;
    color: var(--text-color);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gradient-gold);
    color: var(--primary-dark);
    border-color: var(--secondary-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-dark);
    color: var(--white);
    transform: translateY(-2px);
}

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

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

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

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

.btn-warning {
    background: var(--warning-color);
    color: var(--text-color);
    border-color: var(--warning-color);
}

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

.btn-light {
    background: var(--light-gray);
    color: var(--text-color);
    border-color: var(--medium-gray);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

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

.btn-icon {
    padding: 10px;
    border-radius: 50%;
}

/* ============================================
   Dashboard Layout
   ============================================ */
.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--gradient-primary);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    height: 40px;
    filter: brightness(0) invert(1);
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-section {
    margin-bottom: 10px;
}

.nav-section-title {
    padding: 10px 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 600;
}

.nav-item {
    display: block;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border-left-color: var(--secondary-color);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.nav-badge {
    margin-left: auto;
    background: var(--secondary-color);
    color: var(--primary-dark);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Header */
.top-header {
    background: var(--white);
    padding: 15px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-icon-btn {
    position: relative;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--dark-gray);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.header-icon-btn:hover {
    background: var(--light-gray);
    color: var(--primary-color);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger-color);
    color: var(--white);
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.user-dropdown-toggle:hover {
    background: var(--light-gray);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

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

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--text-color);
    font-size: 0.9rem;
    transition: background var(--transition-fast);
}

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

.dropdown-item i {
    width: 20px;
    color: var(--dark-gray);
}

.dropdown-divider {
    height: 1px;
    background: var(--medium-gray);
    margin: 10px 0;
}

/* Page Content */
.page-content {
    flex: 1;
    padding: 30px;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

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

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--medium-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 0;
}

.card-body {
    padding: 25px;
}

.card-footer {
    padding: 15px 25px;
    background: var(--light-gray);
    border-top: 1px solid var(--medium-gray);
}

/* Stat Cards */
.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.stat-card.gold {
    background: var(--gradient-gold);
    color: var(--primary-dark);
}

.stat-card.accent {
    background: var(--gradient-accent);
    color: var(--white);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.stat-card:not(.primary):not(.gold):not(.accent) .stat-icon {
    background: var(--light-gray);
    color: var(--primary-color);
}

.stat-card.primary .stat-icon,
.stat-card.gold .stat-icon,
.stat-card.accent .stat-icon {
    background: rgba(255, 255, 255, 0.2);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    margin-top: 10px;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.2);
}

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

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

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

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

.table th,
.table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--medium-gray);
}

.table th {
    background: var(--light-gray);
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

.table td {
    font-size: 0.95rem;
    color: var(--text-color);
}

/* ============================================
   Badges & Status
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(40, 167, 69, 0.15);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.15);
    color: #d39e00;
}

.badge-danger {
    background: rgba(220, 53, 69, 0.15);
    color: var(--danger-color);
}

.badge-info {
    background: rgba(23, 162, 184, 0.15);
    color: var(--info-color);
}

.badge-primary {
    background: rgba(26, 58, 92, 0.15);
    color: var(--primary-color);
}

.badge-secondary {
    background: rgba(108, 117, 125, 0.15);
    color: var(--dark-gray);
}

/* ============================================
   Investment Plan Cards
   ============================================ */
.plan-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.plan-card.featured {
    border: 2px solid var(--secondary-color);
}

.plan-card.featured::before {
    content: 'FEATURED';
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--secondary-color);
    color: var(--primary-dark);
    padding: 5px 40px;
    font-size: 0.7rem;
    font-weight: 700;
    transform: rotate(45deg);
}

.plan-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 30px;
    text-align: center;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.plan-category {
    font-size: 0.85rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-body {
    padding: 30px;
}

.plan-returns {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--medium-gray);
}

.plan-returns-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.plan-returns-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--success-color);
}

.plan-details {
    margin-bottom: 25px;
}

.plan-detail-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--light-gray);
}

.plan-detail-item:last-child {
    border-bottom: none;
}

.plan-detail-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.plan-detail-value {
    font-weight: 600;
    color: var(--text-color);
}

.plan-features {
    margin-bottom: 25px;
}

.plan-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
}

.plan-feature i {
    color: var(--success-color);
}

.plan-footer {
    padding: 0 30px 30px;
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.alert-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 5px;
}

.alert-message {
    font-size: 0.9rem;
    margin: 0;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border-left: 4px solid var(--warning-color);
    color: #856404;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    border-left: 4px solid var(--danger-color);
    color: var(--danger-color);
}

.alert-info {
    background: rgba(23, 162, 184, 0.1);
    border-left: 4px solid var(--info-color);
    color: var(--info-color);
}

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

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

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-fast);
}

.modal-overlay.show .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--medium-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-gray);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 15px 25px;
    border-top: 1px solid var(--medium-gray);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ============================================
   Progress & Steps
   ============================================ */
.progress {
    height: 8px;
    background: var(--medium-gray);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.progress-bar.success {
    background: var(--success-color);
}

.steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
}

.step::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--medium-gray);
}

.step:last-child::before {
    display: none;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--medium-gray);
    color: var(--dark-gray);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    position: relative;
    z-index: 1;
    margin-bottom: 10px;
}

.step.active .step-number,
.step.completed .step-number {
    background: var(--primary-color);
    color: var(--white);
}

.step.completed .step-number {
    background: var(--success-color);
}

.step-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

/* ============================================
   Tabs
   ============================================ */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--medium-gray);
    margin-bottom: 25px;
}

.tab {
    padding: 12px 24px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
}

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

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ============================================
   Utilities
   ============================================ */
.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }

.gap-1 { gap: 5px; }
.gap-2 { gap: 10px; }
.gap-3 { gap: 15px; }
.gap-4 { gap: 20px; }
.gap-5 { gap: 30px; }

.m-0 { margin: 0; }
.m-1 { margin: 5px; }
.m-2 { margin: 10px; }
.m-3 { margin: 15px; }
.m-4 { margin: 20px; }
.m-5 { margin: 30px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 5px; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 20px; }
.mt-5 { margin-top: 30px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 5px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 15px; }
.mb-4 { margin-bottom: 20px; }
.mb-5 { margin-bottom: 30px; }

.p-0 { padding: 0; }
.p-1 { padding: 5px; }
.p-2 { padding: 10px; }
.p-3 { padding: 15px; }
.p-4 { padding: 20px; }
.p-5 { padding: 30px; }

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

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-circle { border-radius: 50%; }

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

.bg-white { background-color: var(--white); }
.bg-light { background-color: var(--light-gray); }
.bg-primary { background-color: var(--primary-color); }
.bg-success { background-color: var(--success-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-danger { background-color: var(--danger-color); }

.border { border: 1px solid var(--medium-gray); }
.border-top { border-top: 1px solid var(--medium-gray); }
.border-bottom { border-bottom: 1px solid var(--medium-gray); }

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

.position-relative { position: relative; }
.position-absolute { position: absolute; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1200px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .page-content {
        padding: 20px 15px;
    }
    
    .top-header {
        padding: 15px;
    }
    
    .user-info {
        display: none;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .auth-body {
        padding: 30px 20px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 576px) {
    .auth-container {
        max-width: 100%;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .table th,
    .table td {
        padding: 10px;
        font-size: 0.85rem;
    }
    
    .steps {
        flex-direction: column;
        gap: 20px;
    }
    
    .step::before {
        display: none;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

.fade-in {
    animation: fadeIn var(--transition-normal);
}

.slide-up {
    animation: slideUp var(--transition-normal);
}

.slide-down {
    animation: slideDown var(--transition-normal);
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .sidebar,
    .top-header,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}