/**
 * Frontend styles for Digital Photo Album
 */

/* CSS Variables for Light/Dark Theme */
:root {
    /* Light Theme (Default) */
    --dpa-bg-primary: #ffffff;
    --dpa-bg-secondary: #f8f9fa;
    --dpa-bg-tertiary: #e9ecef;
    --dpa-text-primary: #212529;
    --dpa-text-secondary: #6c757d;
    --dpa-text-muted: #868e96;
    --dpa-border-color: #dee2e6;
    --dpa-shadow: rgba(0, 0, 0, 0.1);
    --dpa-shadow-hover: rgba(0, 0, 0, 0.15);
    --dpa-overlay: rgba(0, 0, 0, 0.6);
    --dpa-modal-bg: rgba(0, 0, 0, 0.9);
    --dpa-accent: #007bff;
    --dpa-accent-hover: #0056b3;
    --dpa-success: #28a745;
    --dpa-danger: #dc3545;
}

[data-theme="dark"] {
    /* Dark Theme */
    --dpa-bg-primary: #000000;
    --dpa-bg-secondary: #121212;
    --dpa-bg-tertiary: #1e1e1e;
    --dpa-text-primary: #ffffff;
    --dpa-text-secondary: #b3b3b3;
    --dpa-text-muted: #8e8e8e;
    --dpa-border-color: #333333;
    --dpa-shadow: rgba(255, 255, 255, 0.1);
    --dpa-shadow-hover: rgba(255, 255, 255, 0.15);
    --dpa-overlay: rgba(0, 0, 0, 0.8);
    --dpa-modal-bg: rgba(0, 0, 0, 0.95);
    --dpa-accent: #1da1f2;
    --dpa-accent-hover: #1a91da;
    --dpa-success: #1db954;
    --dpa-danger: #e1306c;
}

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

body.dpa-shared-album,
body.dpa-homepage,
body.dpa-owner-album {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--dpa-text-primary);
    background: var(--dpa-bg-secondary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container */
.dpa-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Dark Mode Toggle */
.dpa-theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--dpa-bg-primary);
    border: 2px solid var(--dpa-border-color);
    border-radius: 50px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--dpa-shadow);
    backdrop-filter: blur(10px);
}

.dpa-theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px var(--dpa-shadow-hover);
}

.dpa-theme-toggle-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 50px;
    background: var(--dpa-bg-tertiary);
    transition: all 0.3s ease;
    position: relative;
    width: 40px;
    height: 40px;
}

.dpa-theme-icon {
    width: 20px;
    height: 20px;
    transition: all 0.3s ease;
    fill: var(--dpa-text-primary);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.dpa-theme-toggle[data-theme="light"] .dpa-sun-icon {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

.dpa-theme-toggle[data-theme="light"] .dpa-moon-icon {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(180deg);
}

.dpa-theme-toggle[data-theme="dark"] .dpa-sun-icon {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-180deg);
}

.dpa-theme-toggle[data-theme="dark"] .dpa-moon-icon {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

/* Header */
.dpa-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 20px;
    background: var(--dpa-bg-primary);
    border-radius: 12px;
    box-shadow: 0 2px 10px var(--dpa-shadow);
    transition: all 0.3s ease;
}

.dpa-header h1 {
    margin: 0 0 10px 0;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--dpa-text-primary);
    letter-spacing: -0.5px;
    transition: color 0.3s ease;
}

.dpa-photo-count {
    margin: 0;
    font-size: 1.1rem;
    color: var(--dpa-text-secondary);
    font-weight: 400;
    transition: color 0.3s ease;
}

/* No Photos Message */
.dpa-no-photos {
    text-align: center;
    padding: 60px 20px;
    background: var(--dpa-bg-primary);
    border-radius: 12px;
    box-shadow: 0 2px 10px var(--dpa-shadow);
    transition: all 0.3s ease;
}

.dpa-no-photos p {
    font-size: 1.2rem;
    color: var(--dpa-text-secondary);
    margin: 0;
    transition: color 0.3s ease;
}

/* Gallery Grid */
.dpa-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

/* Photo Items */
.dpa-photo-item {
    background: var(--dpa-bg-primary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--dpa-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    /* Disable text selection */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.dpa-photo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--dpa-shadow-hover);
}

/* Protection for images */
.dpa-protected-image {
    /* Disable drag */
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    
    /* Disable selection */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    
    /* Disable touch callout on mobile */
    -webkit-touch-callout: none;
    
    /* Disable highlighting */
    -webkit-tap-highlight-color: transparent;
}

.dpa-photo-wrapper {
    position: relative;
    padding-bottom: 66.67%; /* 3:2 aspect ratio */
    overflow: hidden;
    cursor: pointer;
    background: var(--dpa-bg-tertiary);
}

.dpa-photo-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.dpa-photo-item:hover .dpa-photo-wrapper img {
    transform: scale(1.05);
}

/* Loading Placeholder */
.dpa-loading-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dpa-bg-tertiary);
    z-index: 2;
}

.dpa-error {
    color: var(--dpa-danger);
    font-size: 14px;
    text-align: center;
    padding: 20px;
}

/* Photo Overlay */
.dpa-photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dpa-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease, background-color 0.3s ease;
}

.dpa-photo-wrapper:hover .dpa-photo-overlay {
    opacity: 1;
}

.dpa-view-full {
    background: var(--dpa-bg-primary);
    border: 2px solid var(--dpa-accent);
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    color: var(--dpa-accent);
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.dpa-view-full:hover {
    background: var(--dpa-accent);
    color: var(--dpa-bg-primary);
    transform: scale(1.05);
}

.dpa-download-photo {
    background: var(--dpa-success);
    border: 2px solid var(--dpa-success);
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    color: var(--dpa-bg-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    margin-left: 10px;
}

.dpa-download-photo:hover {
    background: var(--dpa-bg-primary);
    color: var(--dpa-success);
    transform: scale(1.05);
}

.dpa-download-photo:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Protection Notice */
.dpa-protection-notice {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--dpa-danger);
    color: var(--dpa-bg-primary);
    padding: 15px 25px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 16px;
    z-index: 10002;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: protectionNotice 0.3s ease-out;
}

@keyframes protectionNotice {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Photo Info */
.dpa-photo-info {
    padding: 20px;
}

.dpa-photo-title {
    margin: 0 0 8px 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dpa-text-primary);
    line-height: 1.3;
    transition: color 0.3s ease;
}

.dpa-photo-description {
    margin: 0 0 12px 0;
    color: var(--dpa-text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.dpa-photo-date {
    margin: 0;
    font-size: 0.85rem;
    color: var(--dpa-text-muted);
    font-weight: 400;
    transition: color 0.3s ease;
}

/* Modal Styles */
.dpa-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dpa-modal-bg);
    animation: fadeIn 0.3s ease;
    transition: background-color 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.dpa-modal-content {
    position: relative;
    margin: 2% auto;
    padding: 0;
    width: 90%;
    max-width: 1000px;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: slideIn 0.3s ease;
}

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

#dpa-modal-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 10px 30px var(--dpa-shadow-hover);
    transition: box-shadow 0.3s ease;
}

.dpa-modal-close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: var(--dpa-text-primary);
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    background: var(--dpa-bg-tertiary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    border: 2px solid var(--dpa-border-color);
}

.dpa-modal-close:hover {
    background: var(--dpa-accent);
    color: var(--dpa-bg-primary);
    transform: scale(1.1);
}

/* Modal Navigation */
.dpa-modal-nav {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10001;
}

.dpa-modal-nav button {
    background: var(--dpa-bg-primary);
    border: 2px solid var(--dpa-accent);
    color: var(--dpa-accent);
    padding: 12px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.dpa-modal-nav button:hover {
    background: var(--dpa-accent);
    color: var(--dpa-bg-primary);
    transform: translateY(-2px);
}

.dpa-modal-nav button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: var(--dpa-text-muted);
    color: var(--dpa-text-muted);
}

.dpa-modal-nav button:disabled:hover {
    transform: none;
    background: var(--dpa-bg-primary);
    color: var(--dpa-text-muted);
}

/* Footer */
.dpa-footer {
    text-align: center;
    padding: 30px 20px;
    margin-top: 40px;
    border-top: 1px solid var(--dpa-border-color);
    transition: border-color 0.3s ease;
}

.dpa-footer p {
    margin: 0;
    color: var(--dpa-text-muted);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

/* Loading States */
.dpa-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--dpa-border-color);
    border-top: 3px solid var(--dpa-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transition: border-color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .dpa-container {
        padding: 30px 15px;
        margin-top: 20px;
    }
    
    .dpa-header {
        padding: 30px 15px;
        margin-bottom: 30px;
    }
    
    .dpa-header h1 {
        font-size: 2rem;
    }
    
    .dpa-gallery {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .dpa-photo-info {
        padding: 15px;
    }
    
    .dpa-photo-title {
        font-size: 1.2rem;
    }
    
    .dpa-modal-content {
        width: 95%;
        margin: 5% auto;
    }
    
    .dpa-modal-close {
        top: 10px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    
    .dpa-modal-nav {
        bottom: 15px;
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .dpa-modal-nav button {
        padding: 10px 16px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .dpa-header h1 {
        font-size: 1.7rem;
    }
    
    .dpa-photo-count {
        font-size: 1rem;
    }
    
    .dpa-gallery {
        gap: 15px;
    }
    
    .dpa-photo-item {
        border-radius: 8px;
    }
    
    .dpa-photo-info {
        padding: 12px;
    }
    
    .dpa-view-full {
        padding: 10px 20px;
        font-size: 13px;
    }
}

/* Print Styles */
@media print {
    .dpa-modal,
    .dpa-photo-overlay,
    .dpa-footer {
        display: none !important;
    }
    
    .dpa-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .dpa-photo-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .dpa-photo-overlay {
        background: rgba(0, 0, 0, 0.8);
    }
    
    .dpa-view-full {
        background: #fff;
        border: 2px solid #000;
    }
    
    .dpa-modal {
        background-color: #000;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .dpa-photo-item,
    .dpa-photo-wrapper img,
    .dpa-photo-overlay,
    .dpa-view-full,
    .dpa-modal,
    .dpa-modal-content,
    .dpa-modal-nav button {
        transition: none;
        animation: none;
    }
    
    .dpa-photo-item:hover {
        transform: none;
    }
    
    .dpa-photo-item:hover .dpa-photo-wrapper img {
        transform: none;
    }
}

/* ========================================
   HOMEPAGE STYLES
======================================== */

/* Hero Section */
.dpa-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dpa-bg-primary) 0%, var(--dpa-bg-secondary) 100%);
    padding: 80px 20px 40px;
    position: relative;
    overflow: hidden;
}

.dpa-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.dpa-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.dpa-hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin: 0 0 24px 0;
    color: var(--dpa-text-primary);
}

.dpa-hero-accent {
    background: linear-gradient(135deg, var(--dpa-accent), var(--dpa-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dpa-hero-subtitle {
    font-size: 1.3rem;
    color: var(--dpa-text-secondary);
    margin: 0 0 32px 0;
    line-height: 1.6;
}

.dpa-hero-features {
    display: flex;
    gap: 24px;
    margin: 0 0 40px 0;
    flex-wrap: wrap;
}

.dpa-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    padding: 8px 0;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dpa-text-primary);
    transition: all 0.3s ease;
}

.dpa-feature-item:hover {
    color: var(--dpa-success);
}

.dpa-feature-icon {
    width: 20px;
    height: 20px;
    background: var(--dpa-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.dpa-feature-icon::before {
    content: "✓";
}

.dpa-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Visual */
.dpa-hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.dpa-hero-gallery {
    position: relative;
    width: 400px;
    height: 400px;
}

.dpa-hero-photo {
    position: absolute;
    width: 180px;
    height: 120px;
    border-radius: 12px;
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.dpa-photo-1 {
    top: 20px;
    left: 20px;
    transform: rotate(-5deg);
    background: linear-gradient(45deg, #ff7e5f 0%, #feb47b 100%);
}

.dpa-photo-2 {
    top: 80px;
    right: 20px;
    transform: rotate(8deg);
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
}

.dpa-photo-3 {
    bottom: 40px;
    left: 60px;
    transform: rotate(-3deg);
    background: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
}

.dpa-hero-gallery:hover .dpa-hero-photo {
    transform: scale(1.05) rotate(0deg);
}

.dpa-security-badge {
    position: absolute;
    bottom: -10px;
    right: -10px;
    background: var(--dpa-success);
    color: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Buttons */
.dpa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 4px;
}

.dpa-btn-primary {
    background: linear-gradient(135deg, var(--dpa-accent), var(--dpa-accent-hover));
    color: white;
    border-color: var(--dpa-accent);
}

.dpa-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--dpa-accent), 0.3);
    color: white;
    text-decoration: none;
}

.dpa-btn-secondary {
    background: transparent;
    color: var(--dpa-text-primary);
    border-color: var(--dpa-border-color);
}

.dpa-btn-secondary:hover {
    background: var(--dpa-bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--dpa-shadow);
    color: var(--dpa-text-primary);
    text-decoration: none;
}

.dpa-btn-outline {
    background: transparent;
    color: var(--dpa-text-secondary);
    border-color: var(--dpa-border-color);
}

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

.dpa-btn-full {
    width: 100%;
}

/* Features Section */
.dpa-features {
    padding: 100px 20px;
    background: var(--dpa-bg-primary);
}

.dpa-section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 60px 0;
    color: var(--dpa-text-primary);
}

.dpa-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.dpa-feature-card {
    background: var(--dpa-bg-secondary);
    padding: 30px 25px;
    border-radius: 20px;
    text-align: left;
    border: 1px solid var(--dpa-border-color);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.dpa-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--dpa-shadow);
}

.dpa-feature-card .dpa-feature-icon {
    position: absolute;
    top: 25px;
    right: 25px;
    width: 20px;
    height: 20px;
    background: var(--dpa-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.dpa-feature-card .dpa-feature-icon::before {
    content: "✓";
}

.dpa-feature-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0 40px 16px 0;
    color: var(--dpa-text-primary);
    line-height: 1.3;
}

.dpa-feature-card p {
    color: var(--dpa-text-secondary);
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

/* Login Modal */
.dpa-login-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(10px);
}

.dpa-login-content {
    background: var(--dpa-bg-primary);
    border-radius: 20px;
    padding: 40px;
    width: 90%;
    max-width: 450px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--dpa-border-color);
}

.dpa-login-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dpa-text-secondary);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.dpa-login-close:hover {
    background: var(--dpa-bg-tertiary);
    color: var(--dpa-text-primary);
}

.dpa-login-header {
    text-align: center;
    margin-bottom: 30px;
}

.dpa-login-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--dpa-text-primary);
}

.dpa-login-header p {
    color: var(--dpa-text-secondary);
    margin: 0;
}

.dpa-form-group {
    margin-bottom: 20px;
}

.dpa-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dpa-text-primary);
}

.dpa-form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--dpa-border-color);
    border-radius: 12px;
    font-size: 1rem;
    background: var(--dpa-bg-secondary);
    color: var(--dpa-text-primary);
    transition: all 0.3s ease;
}

.dpa-form-group input:focus {
    outline: none;
    border-color: var(--dpa-accent);
    box-shadow: 0 0 0 3px rgba(var(--dpa-accent), 0.1);
}

.dpa-login-result {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.dpa-login-result.success {
    background: rgba(var(--dpa-success), 0.1);
    color: var(--dpa-success);
    border: 1px solid rgba(var(--dpa-success), 0.2);
}

.dpa-login-result.error {
    background: rgba(var(--dpa-danger), 0.1);
    color: var(--dpa-danger);
    border: 1px solid rgba(var(--dpa-danger), 0.2);
}

/* Sign Up and Forgot Password Results */
.dpa-signup-result,
.dpa-forgot-result {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.dpa-signup-result.success,
.dpa-forgot-result.success {
    background: rgba(var(--dpa-success), 0.1);
    color: var(--dpa-success);
    border: 1px solid rgba(var(--dpa-success), 0.2);
}

.dpa-signup-result.error,
.dpa-forgot-result.error {
    background: rgba(var(--dpa-danger), 0.1);
    color: var(--dpa-danger);
    border: 1px solid rgba(var(--dpa-danger), 0.2);
}

/* Login Footer */
.dpa-login-footer {
    text-align: center;
    padding: 20px 0 0;
    border-top: 1px solid var(--dpa-border-color);
    margin-top: 20px;
}

.dpa-login-footer p {
    margin: 0;
    color: var(--dpa-text-secondary);
    font-size: 0.9rem;
}

.dpa-signup-link {
    color: var(--dpa-accent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.dpa-signup-link:hover {
    color: var(--dpa-accent-hover);
    text-decoration: underline;
}

/* Owner Album Styles */
.dpa-owner-header {
    background: var(--dpa-bg-primary);
    padding: 40px;
    border-radius: 16px;
    margin: 100px 0 40px 0; /* Much larger top margin to prevent cutoff */
    box-shadow: 0 4px 20px var(--dpa-shadow);
}

.dpa-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.dpa-header-content h1 {
    font-size: 2.2rem;
    font-weight: 600;
    margin: 0;
    color: var(--dpa-text-primary);
}

.dpa-header-actions {
    display: flex;
    gap: 12px;
}

.dpa-album-stats {
    color: var(--dpa-text-secondary);
    margin: 0;
    font-size: 1.1rem;
}

.dpa-empty-state {
    text-align: center;
    padding: 80px 40px;
    background: var(--dpa-bg-primary);
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--dpa-shadow);
}

.dpa-empty-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.7;
}

.dpa-empty-state h3 {
    font-size: 1.5rem;
    margin: 0 0 12px 0;
    color: var(--dpa-text-primary);
}

.dpa-empty-state p {
    color: var(--dpa-text-secondary);
    margin: 0 0 30px 0;
    line-height: 1.6;
}

/* URL Notice */
.dpa-url-notice {
    background: rgba(var(--dpa-accent), 0.1);
    border: 1px solid rgba(var(--dpa-accent), 0.2);
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 16px;
}

.dpa-url-notice p {
    margin: 0;
    color: var(--dpa-text-primary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dpa-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .dpa-hero-title {
        font-size: 2.8rem;
    }
    
    .dpa-features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }
    
    .dpa-feature-card {
        padding: 25px 20px;
    }
    
    .dpa-feature-card h3 {
        margin: 0 35px 14px 0;
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .dpa-hero {
        padding: 60px 15px 30px;
    }
    
    .dpa-hero-title {
        font-size: 2.2rem;
    }
    
    .dpa-hero-subtitle {
        font-size: 1.1rem;
    }
    
    .dpa-hero-features {
        justify-content: center;
        gap: 16px;
        flex-direction: column;
        align-items: center;
    }
    
    .dpa-feature-item {
        font-size: 0.85rem;
        padding: 6px 0;
        justify-content: center;
    }
    
    .dpa-hero-actions {
        justify-content: center;
    }
    
    .dpa-btn {
        padding: 10px 18px;
        font-size: 0.8rem;
    }
    
    .dpa-hero-gallery {
        width: 300px;
        height: 300px;
    }
    
    .dpa-hero-photo {
        width: 140px;
        height: 90px;
    }
    
    .dpa-features {
        padding: 60px 15px;
    }
    
    .dpa-section-title {
        font-size: 2rem;
    }
    
    .dpa-features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .dpa-feature-card {
        padding: 25px 20px;
        text-align: left;
    }
    
    .dpa-feature-card .dpa-feature-icon {
        top: 20px;
        right: 20px;
    }
    
    .dpa-feature-card h3 {
        margin: 0 35px 12px 0;
        font-size: 1.2rem;
    }
    
    .dpa-login-content {
        padding: 30px 20px;
        margin: 20px;
    }
    
    .dpa-owner-header {
        padding: 30px 20px;
        margin-top: 80px; /* Much larger margin to prevent cutoff on mobile */
    }
    
    .dpa-header-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        align-items: center;
    }
    
    .dpa-header-content h1 {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }
    
    .dpa-header-actions {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
        width: auto;
    }
}

/* ========================================
   UPLOAD MODAL STYLES
======================================== */

/* Upload Modal */
.dpa-upload-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    backdrop-filter: blur(10px);
}

.dpa-upload-content {
    background: var(--dpa-bg-primary);
    border-radius: 20px;
    padding: 0;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--dpa-border-color);
}

.dpa-upload-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 40px 20px;
    border-bottom: 1px solid var(--dpa-border-color);
}

.dpa-upload-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
    color: var(--dpa-text-primary);
}

.dpa-upload-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dpa-text-secondary);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.dpa-upload-close:hover {
    background: var(--dpa-bg-tertiary);
    color: var(--dpa-text-primary);
}

.dpa-upload-form {
    padding: 40px;
}

/* Upload Zone */
.dpa-upload-zone {
    border: 2px dashed var(--dpa-border-color);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 30px;
}

.dpa-upload-zone:hover,
.dpa-upload-zone.dpa-drag-over {
    border-color: var(--dpa-accent);
    background: rgba(var(--dpa-accent), 0.05);
}

.dpa-upload-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.7;
}

.dpa-upload-zone h3 {
    font-size: 1.3rem;
    margin: 0 0 12px 0;
    color: var(--dpa-text-primary);
}

.dpa-upload-zone p {
    color: var(--dpa-text-secondary);
    margin: 0 0 30px 0;
    line-height: 1.6;
}

/* File List */
.dpa-file-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 30px;
}

.dpa-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--dpa-bg-secondary);
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1px solid var(--dpa-border-color);
}

.dpa-file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.dpa-file-icon {
    font-size: 1.2rem;
}

.dpa-file-details {
    flex: 1;
}

.dpa-file-name {
    font-weight: 500;
    color: var(--dpa-text-primary);
    margin: 0 0 4px 0;
    font-size: 0.9rem;
}

.dpa-file-size {
    color: var(--dpa-text-secondary);
    font-size: 0.8rem;
    margin: 0;
}

.dpa-file-remove {
    background: var(--dpa-danger);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
}

.dpa-file-remove:hover {
    background: #c62828;
    transform: scale(1.1);
}

/* Upload Actions */
.dpa-upload-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-bottom: 20px;
}

/* Progress Bar */
.dpa-upload-progress {
    margin-bottom: 20px;
}

.dpa-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--dpa-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.dpa-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--dpa-accent), var(--dpa-success));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.dpa-progress-text {
    text-align: center;
    font-size: 0.9rem;
    color: var(--dpa-text-secondary);
}

/* Upload Results */
.dpa-upload-results {
    max-height: 150px;
    overflow-y: auto;
}

.dpa-upload-result {
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 6px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dpa-upload-result.success {
    background: rgba(var(--dpa-success), 0.1);
    color: var(--dpa-success);
    border: 1px solid rgba(var(--dpa-success), 0.2);
}

.dpa-upload-result.error {
    background: rgba(var(--dpa-danger), 0.1);
    color: var(--dpa-danger);
    border: 1px solid rgba(var(--dpa-danger), 0.2);
}

.dpa-upload-result-icon {
    font-size: 1rem;
}

/* Upload Button Enhancement */
.dpa-upload-icon {
    margin-right: 8px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .dpa-upload-content {
        width: 95%;
        margin: 20px;
        max-height: 85vh;
    }
    
    .dpa-upload-header {
        padding: 20px 25px 15px;
    }
    
    .dpa-upload-header h2 {
        font-size: 1.4rem;
    }
    
    .dpa-upload-form {
        padding: 25px;
    }
    
    .dpa-upload-zone {
        padding: 40px 20px;
    }
    
    .dpa-upload-zone h3 {
        font-size: 1.1rem;
    }
    
    .dpa-upload-actions {
        flex-direction: column;
    }
    
    .dpa-file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .dpa-file-info {
        width: 100%;
    }
}