/*
 * Modern Wedding Platform Design 2025
 * ClipeUnice - Wedding Planning Platform
 * Responsive Design: Mobile First
 * Theme: Elegant & Romantic
 */

/* ===== FONTS & GLOBALS ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;800&family=Poppins:wght@300;400;500;600;700&family=Great+Vibes&display=swap');

:root {
    /* Wedding Color Palette 2025 */
    --primary-pink: #d63384;
    --primary-purple: #e7c6ff;
    --accent-rose: #ff6b9d;
    --accent-lavender: #c8a2d9;

    /* Neutral Colors */
    --white: #ffffff;
    --off-white: #fefefe;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --text-dark: #333333;
    --text-medium: #555555;
    --text-light: #999999;

    /* Status Colors */
    --success-green: #48bb78;
    --warning-orange: #f6ad55;
    --danger-red: #fc8181;
    --info-blue: #667eea;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #d63384 0%, #e7c6ff 100%);
    --gradient-rose: linear-gradient(135deg, #ff6b9d 0%, #ffa4c4 100%);
    --gradient-purple: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    --gradient-success: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    --gradient-warning: linear-gradient(135deg, #f6ad55 0%, #ed8936 100%);
    --gradient-danger: linear-gradient(135deg, #fc8181 0%, #f56565 100%);

    /* Spacing - Compact Design */
    --space-xs: 0.375rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.25rem;
    --space-xl: 1.75rem;

    /* Border Radius */
    --radius-sm: 10px;
    --radius-md: 15px;
    --radius-lg: 20px;
    --radius-xl: 25px;
    --radius-pill: 50px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(214, 51, 132, 0.15);
    --shadow-xl: 0 15px 40px rgba(214, 51, 132, 0.2);
    --shadow-pink: 0 4px 15px rgba(214, 51, 132, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #fef5f9 0%, #fef9fc 50%, #f8f3ff 100%);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

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;
}

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

a:hover {
    color: var(--accent-rose);
}

/* ===== LAYOUT ===== */
.dashboard {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--space-lg) var(--space-md);
    transition: margin-left var(--transition-normal);
    width: 100%;
    max-width: 1400px;
    margin-right: auto;
}

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: 280px;
    background: var(--gradient-primary);
    z-index: 1000;
    transition: transform var(--transition-normal);
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.sidebar-header {
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.sidebar-header h3 {
    font-family: 'Great Vibes', cursive;
    font-size: 2.2rem;
    color: var(--white);
    margin-bottom: var(--space-xs);
    font-weight: 400;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.sidebar-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin: 0;
}

.sidebar-menu {
    list-style: none;
    padding: var(--space-lg);
}

.sidebar-menu li {
    margin-bottom: var(--space-xs);
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 0.95rem 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.sidebar-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--white);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.sidebar-menu a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.sidebar-menu a:hover::before {
    transform: scaleY(1);
}

.sidebar-menu a.active {
    background: var(--white);
    color: var(--primary-pink);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    font-weight: 600;
}

.sidebar-menu a.active::before {
    transform: scaleY(1);
    background: var(--primary-pink);
}

.sidebar-menu a i {
    margin-right: 12px;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-pink);
    transition: all var(--transition-normal);
}

.mobile-menu-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(214, 51, 132, 0.4);
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

.mobile-menu-toggle i {
    font-size: 1.3rem;
    display: block;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    backdrop-filter: blur(3px);
}

/* ===== HERO SECTION ===== */
.wedding-hero {
    position: relative;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
    margin-bottom: var(--space-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.08;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Floating hearts animation */
.hero-background::after {
    content: '💕';
    position: absolute;
    font-size: 3rem;
    opacity: 0.1;
    animation: float 6s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translate(10%, 0) rotate(0deg); }
    25% { transform: translate(20%, -20px) rotate(5deg); }
    50% { transform: translate(10%, -40px) rotate(-5deg); }
    75% { transform: translate(0%, -20px) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}

.couple-names {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    font-family: 'Playfair Display', serif;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1);
}

.name-first, .name-second {
    animation: fadeInUp 0.8s ease;
}

.name-first {
    animation-delay: 0.2s;
}

.name-second {
    animation-delay: 0.4s;
}

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

.heart-divider {
    font-size: 0.75em;
    animation: heartBeat 1.5s ease-in-out infinite;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(0.9); }
    20%, 40%, 60%, 80% { transform: scale(1.1); }
    50%, 70% { transform: scale(1.15); }
}

.wedding-date-display,
.wedding-venue {
    font-size: 1.1rem;
    margin: var(--space-xs) 0;
    opacity: 0.95;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.wedding-date-display i,
.wedding-venue i {
    margin-right: var(--space-sm);
    font-size: 1.2em;
}

.welcome-title {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    font-family: 'Playfair Display', serif;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1);
}

.welcome-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    font-weight: 400;
}

.hero-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--white);
    color: var(--primary-pink);
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border: 2px solid transparent;
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.hero-btn i {
    margin-right: var(--space-xs);
}

/* Countdown Timer */
.countdown-timer {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 2px solid rgba(255, 255, 255, 0.2);
}

.countdown-item {
    text-align: center;
    min-width: 80px;
}

.countdown-number {
    font-size: 2.2rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    line-height: 1;
    margin-bottom: var(--space-xs);
    display: block;
}

.countdown-label {
    font-size: 0.9rem;
    opacity: 0.85;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}

.wedding-day-message {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    animation: pulse 2s infinite;
    backdrop-filter: blur(10px);
}

.wedding-day-message h2 {
    color: var(--white);
    font-size: 2rem;
    margin: 0;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(255, 255, 255, 0);
        transform: scale(1.02);
    }
}

/* ===== SECTION TITLES ===== */
.section-title {
    font-size: 1.5rem;
    color: var(--primary-pink);
    margin-bottom: var(--space-md);
    font-family: 'Playfair Display', serif;
    text-align: center;
    position: relative;
    padding-bottom: var(--space-sm);
}

.section-title::after {
    content: '💕';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
}

/* ===== STATS CARDS ===== */
.stats-container {
    margin-bottom: var(--space-lg);
}

.modern-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.modern-stat-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.modern-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
    transform-origin: left;
}

.modern-stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.modern-stat-card:hover::before {
    transform: scaleX(1);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
    transition: all var(--transition-normal);
}

.modern-stat-card:hover .stat-icon {
    transform: rotate(10deg) scale(1.1);
}

.guests-card .stat-icon {
    background: var(--gradient-purple);
    color: var(--white);
}

.confirmed-card .stat-icon {
    background: var(--gradient-success);
    color: var(--white);
}

.waiting-card .stat-icon {
    background: var(--gradient-warning);
    color: var(--white);
}

.expenses-card .stat-icon {
    background: var(--gradient-danger);
    color: var(--white);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
    font-family: 'Playfair Display', serif;
}

.stat-label {
    color: var(--text-medium);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--medium-gray);
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    transition: width var(--transition-slow);
    border-radius: 0 4px 4px 0;
}

/* ===== QUICK ACTIONS ===== */
.quick-actions {
    margin-bottom: var(--space-lg);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-sm);
}

.action-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-sm);
    text-align: center;
    text-decoration: none;
    color: var(--text-dark);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.action-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.action-card:hover::before {
    opacity: 0.05;
}

.action-icon {
    width: 55px;
    height: 55px;
    margin: 0 auto var(--space-sm);
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    transition: all var(--transition-normal);
    position: relative;
}

.action-card:hover .action-icon {
    transform: rotate(360deg) scale(1.1);
}

.action-text {
    font-weight: 600;
    color: var(--text-medium);
    font-size: 0.85rem;
    transition: var(--transition-normal);
}

.action-card:hover .action-text {
    color: var(--primary-pink);
}

/* ===== ACTIVITY TIMELINE ===== */
.activity-timeline {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-lg);
}

.timeline-container {
    position: relative;
    padding-left: 40px;
    margin-top: var(--space-md);
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-md);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -30px;
    top: 6px;
    width: 12px;
    height: 12px;
    background: var(--primary-pink);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px rgba(214, 51, 132, 0.2);
    z-index: 1;
    animation: dotPulse 2s infinite;
}

@keyframes dotPulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(214, 51, 132, 0.2); }
    50% { box-shadow: 0 0 0 8px rgba(214, 51, 132, 0.1); }
}

.timeline-content {
    background: var(--light-gray);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    background: var(--medium-gray);
    transform: translateX(5px);
}

.timeline-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
    font-size: 1rem;
}

.timeline-text {
    flex: 1;
}

.timeline-text strong {
    color: var(--primary-pink);
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.empty-timeline {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-light);
}

.empty-timeline i {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    opacity: 0.3;
    color: var(--primary-pink);
}

.text-muted {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: var(--space-xs);
}

/* ===== CHARTS & VISUALIZATIONS ===== */
.charts-container {
    margin-bottom: var(--space-lg);
}

.chart-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.chart-card h3 {
    margin-bottom: var(--space-lg);
    color: var(--text-dark);
    font-size: 1.4rem;
    display: flex;
    align-items: center;
}

.chart-card h3 i {
    margin-right: var(--space-sm);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

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

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

.btn-primary:hover {
    box-shadow: var(--shadow-pink);
}

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

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

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

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

.btn-outline:hover {
    background: var(--primary-pink);
    color: var(--white);
}

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

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1.125rem;
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: 'Poppins', sans-serif;
    transition: all var(--transition-normal);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-pink);
    box-shadow: 0 0 0 4px rgba(214, 51, 132, 0.1);
}

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

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

select.form-control {
    cursor: pointer;
}

/* ===== TABLES ===== */
.table-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

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

thead th {
    padding: var(--space-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

thead th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

thead th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

tbody tr {
    transition: all var(--transition-normal);
}

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

tbody td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--medium-gray);
}

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

/* ===== BADGES & LABELS ===== */
.badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

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

.badge-info {
    background: var(--gradient-purple);
    color: var(--white);
}

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-lg);
    transition: all var(--transition-normal);
}

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

.card-header {
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--medium-gray);
}

.card-title {
    font-size: 1.5rem;
    color: var(--primary-pink);
    margin: 0;
}

.card-body {
    padding: var(--space-md) 0;
}

.card-footer {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 2px solid var(--medium-gray);
}

/* ===== ALERTS ===== */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.alert i {
    font-size: 1.5rem;
}

.alert-success {
    background: rgba(72, 187, 120, 0.1);
    color: var(--success-green);
    border-left: 4px solid var(--success-green);
}

.alert-warning {
    background: rgba(246, 173, 85, 0.1);
    color: var(--warning-orange);
    border-left: 4px solid var(--warning-orange);
}

.alert-danger {
    background: rgba(252, 129, 129, 0.1);
    color: var(--danger-red);
    border-left: 4px solid var(--danger-red);
}

.alert-info {
    background: rgba(102, 126, 234, 0.1);
    color: var(--info-blue);
    border-left: 4px solid var(--info-blue);
}

/* ===== MODALS ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: var(--space-lg);
    border-bottom: 2px solid var(--medium-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.75rem;
    color: var(--primary-pink);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition-normal);
}

.modal-close:hover {
    color: var(--primary-pink);
    transform: rotate(90deg);
}

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

.modal-footer {
    padding: var(--space-lg);
    border-top: 2px solid var(--medium-gray);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

/* ===== LOADING SPINNER ===== */
.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--medium-gray);
    border-top-color: var(--primary-pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--space-lg);
}

.loading-text {
    color: var(--primary-pink);
    font-size: 1.2rem;
    font-weight: 600;
}

/* ===== UTILITY CLASSES ===== */
.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(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-lg); }

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

/* Tablets (768px - 992px) */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }

    .sidebar {
        width: 240px;
    }

    .main-content {
        margin-left: 240px;
        padding: var(--space-lg);
    }

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

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

/* Mobile devices (up to 768px) */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar-overlay.active {
        display: block;
    }

    .main-content {
        margin-left: 0;
        padding: 80px var(--space-md) var(--space-lg);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .wedding-hero {
        padding: var(--space-lg) var(--space-md);
    }

    .couple-names {
        font-size: 2.2rem;
        flex-direction: column;
        gap: var(--space-sm);
    }

    .countdown-timer {
        gap: var(--space-md);
    }

    .countdown-number {
        font-size: 2rem;
    }

    .countdown-label {
        font-size: 0.75rem;
    }

    .modern-stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .actions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .section-title {
        font-size: 1.75rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }

    .timeline-container {
        padding-left: 40px;
    }

    .timeline-dot {
        left: -32px;
    }

    .chart-card {
        padding: var(--space-md);
    }

    .modal {
        margin: var(--space-md);
    }
}

/* Small mobile devices (up to 480px) */
@media (max-width: 480px) {
    .sidebar {
        width: 85%;
        max-width: 300px;
    }

    .main-content {
        padding: 70px var(--space-sm) var(--space-md);
    }

    .couple-names {
        font-size: 1.8rem;
    }

    .welcome-title {
        font-size: 2rem;
    }

    .countdown-timer {
        gap: var(--space-sm);
    }

    .countdown-item {
        min-width: 60px;
    }

    .countdown-number {
        font-size: 1.75rem;
    }

    .countdown-label {
        font-size: 0.7rem;
        letter-spacing: 0.5px;
    }

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

    .stat-value {
        font-size: 2rem;
    }

    .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .action-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .sidebar,
    .mobile-menu-toggle,
    .sidebar-overlay,
    .action-card,
    .hero-btn {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
        padding: 0;
    }

    .wedding-hero {
        background: none;
        border: 2px solid var(--primary-pink);
    }

    body {
        background: white;
    }

    .modern-stat-card,
    .card,
    .chart-card {
        box-shadow: none;
        border: 1px solid var(--medium-gray);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease;
}

.slide-in-right {
    animation: slideInRight 0.6s ease;
}

/* ===== DARK MODE SUPPORT (Optional) ===== */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles here if needed in future */
}