/* Wedding Photo Platform - Modern CSS */
@import url('https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables for Easy Theme Management */
:root {
    --primary-color: #2d5016;
    --primary-light: #4a7a2a;
    --primary-dark: #1d3409;
    --background-color: #f8f6f0;
    --card-background: #ffffff;
    --text-primary: #2c2c2c;
    --text-secondary: #666666;
    --text-light: #888888;
    --accent-gold: #d4af37;
    --accent-gold-light: #e6c960;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 25px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 10px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Dancing Script', cursive;
    --font-body: 'Inter', sans-serif;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--primary-color);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary-color);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Container and Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-fluid {
    width: 100%;
    padding: 0 1rem;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--card-background) 0%, rgba(248, 246, 240, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(45, 80, 22, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-light);
    background: rgba(255, 255, 255, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    color: var(--primary-light);
    transform: scale(1.05);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(45, 80, 22, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    background: var(--card-background);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.lang-btn {
    padding: 0.25rem 0.75rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
    font-size: 0.875rem;
    font-weight: 500;
}

.lang-btn:hover,
.lang-btn.active {
    background: var(--primary-color);
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--background-color) 0%, rgba(212, 175, 55, 0.1) 100%);
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url("data:image/svg+xml,%3csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3e%3cg fill='none' fill-rule='evenodd'%3e%3cg fill='%232d5016' fill-opacity='0.03'%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") repeat;
    animation: float 20s ease-in-out infinite;
    opacity: 0.5;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: var(--shadow-medium);
}

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

.btn-secondary {
    background: var(--card-background);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-light);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-gold {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
    color: white;
    box-shadow: var(--shadow-medium);
}

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

/* Action Buttons Container */
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Photo Gallery */
.gallery {
    padding: 4rem 0;
}

.gallery-header {
    text-align: center;
    margin-bottom: 3rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Photo Cards */
.photo-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.photo-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.photo-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
    cursor: pointer;
}

.photo-card:hover img {
    transform: scale(1.1);
}

.photo-card-content {
    padding: 1.5rem;
}

.photo-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.guest-name {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.upload-date {
    font-size: 0.875rem;
    color: var(--text-light);
}

.photo-message {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* Reactions */
.reactions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.reaction-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid rgba(45, 80, 22, 0.2);
    background: var(--card-background);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    position: relative;
    overflow: hidden;
}

.reaction-btn:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-light);
}

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

.reaction-btn.animating {
    animation: reactionPulse 0.6s ease-out;
}

@keyframes reactionPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@keyframes float-reaction {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translateY(-30px) scale(1.2);
    }
    100% {
        opacity: 0;
        transform: translateY(-60px) scale(0.8);
    }
}

@keyframes confetti-fall {
    0% {
        opacity: 1;
        transform: translateY(0) rotate(0deg) scale(1);
    }
    50% {
        opacity: 1;
        transform: translateY(40px) rotate(180deg) scale(1.2);
    }
    100% {
        opacity: 0;
        transform: translateY(80px) rotate(360deg) scale(0.5);
    }
}

.reaction-emoji {
    font-size: 1.2rem;
    transition: var(--transition);
}

.reaction-btn:hover .reaction-emoji {
    transform: scale(1.2);
}

.reaction-count {
    font-weight: 600;
    min-width: 1rem;
    text-align: center;
}

/* Upload Form */
.upload-section {
    padding: 4rem 0;
    background: var(--card-background);
}

.upload-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-background);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(45, 80, 22, 0.1);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--background-color);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
}

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

/* File Upload */
.file-upload {
    border: 2px dashed rgba(45, 80, 22, 0.3);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    background: var(--background-color);
    transition: var(--transition);
    cursor: pointer;
}

.file-upload:hover,
.file-upload.dragover {
    border-color: var(--primary-color);
    background: rgba(45, 80, 22, 0.05);
}

.file-upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
}

.file-upload-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.file-upload-hint {
    font-size: 0.875rem;
    color: var(--text-light);
}

.file-input {
    display: none;
}

/* Selected Files Preview */
.selected-files {
    margin-top: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
}

.file-preview {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 1;
}

.file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-remove {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--transition);
}

.file-remove:hover {
    background: #ef4444;
    transform: scale(1.1);
}
.overflow-new {
    overflow: auto;
    padding: 30rem 0;
}
/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow: auto;
}

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

.modal-content {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 900px;
    overflow: auto;
    position: relative;
    transform: scale(0.8);
    transition: var(--transition);
    box-shadow: var(--shadow-heavy);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(45, 80, 22, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.modal-body {
    padding: 1.5rem;
}

/* Photo Viewer Modal */
.photo-viewer .modal-content {
    /* max-width: 95vw;
    max-height: 100vh; */
    background: transparent;
    display: flex;
    flex-direction: column;
}

.photo-viewer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
}

.photo-viewer-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
    flex-shrink: 0;
}

.photo-viewer-info {
    background: var(--card-background);
    padding: 1rem;
    border-radius: var(--border-radius);
    min-width: 300px;
    max-width: 600px;
    width: 100%;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.photo-viewer-top {
    text-align: center;
}

.photo-viewer-guest {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.photo-viewer-message {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 0;
}

.photo-viewer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.photo-viewer-reactions {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex: 1;
}

.photo-viewer-nav {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.photo-viewer-nav .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    white-space: nowrap;
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(45, 80, 22, 0.1);
    border-left: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

.skeleton-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    padding: 1rem;
}

.skeleton-image {
    width: 100%;
    height: 250px;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-text.long {
    width: 80%;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 3rem 0 1rem;
    text-align: center;
}

.footer-content {
    margin-bottom: 2rem;
}

.footer h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .upload-form {
        margin: 0 0.5rem;
    }
    
    .photo-viewer-info {
        min-width: auto;
        width: 100%;
        padding: 0.75rem;
    }
    
    .photo-viewer-bottom {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    .photo-viewer-reactions {
        justify-content: center;
    }
    
    .photo-viewer-nav {
        justify-content: center;
        width: 100%;
    }
    
    .photo-viewer-nav .btn {
        flex: 1;
        max-width: 120px;
    }
    
    .photo-viewer-image {
        max-height: 60vh;
    }
    
    .photo-viewer-content {
        padding-top: 100px;
        height: calc(100vh - 100px);
        max-height: calc(100vh - 100px);
    }
    
    .reactions {
        justify-content: center;
    }
    
    .modal-content {
        margin: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .photo-card img {
        height: 200px;
    }
    
    .upload-form,
    .modal-content {
        margin: 0.5rem;
    }
    
    .file-upload {
        padding: 1rem;
    }
    
    .selected-files {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
    
    .photo-viewer-image {
        max-height: 50vh;
    }
    
    .photo-viewer-nav .btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }
    .upload-form {
        padding: 0.5rem;
    }
    .modal-body {
        padding: 0.2rem;
    }
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden { display: none; }
.visible { display: block; }

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-up {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
    0% { opacity: 0; transform: scale(0.3); }
    50% { opacity: 1; transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
}

/* Floating particles animation */
.floating-hearts {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
}

.heart {
    position: absolute;
    color: var(--accent-gold);
    font-size: 1.5rem;
    animation: float-heart 4s ease-out forwards;
}

@keyframes float-heart {
    0% {
        opacity: 1;
        transform: translateY(0) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(-200px) rotate(360deg);
    }
}