/* ===== CSS Variables ===== */
:root {
    /* Colors - Light Mode */
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --accent-color: #10b981;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-card: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);

    /* Background */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f5;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-overlay: rgba(0, 0, 0, 0.5);

    /* Text */
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;

    /* Border */
    --border-color: #e5e7eb;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;

    /* Shadow */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-glass: rgba(30, 41, 59, 0.7);
    --bg-overlay: rgba(0, 0, 0, 0.7);

    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;

    --border-color: #334155;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Header ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.theme-toggle {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    position: relative;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
    position: absolute;
    transition: all var(--transition-base);
}

.sun-icon {
    opacity: 1;
    transform: rotate(0deg);
}

.moon-icon {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
    transform: rotate(0deg);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn svg {
    width: 20px;
    height: 20px;
    position: relative;
    z-index: 1;
}

.btn span {
    position: relative;
    z-index: 1;
}

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

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

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-back:hover {
    background: var(--bg-tertiary);
    transform: translateX(-4px);
}

.btn-back svg {
    width: 18px;
    height: 18px;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.1;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease 0.1s backwards;
}

.stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Category Filter ===== */
.category-filter {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-secondary);
}

.category-filter::-webkit-scrollbar {
    height: 6px;
}

.category-filter::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 10px;
}

.category-filter::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.category-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.625rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-base);
}

.category-chip:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-chip.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

/* ===== Search Bar ===== */
.search-bar {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-bar input {
    width: 100%;
    padding: 1rem 1rem 1rem 3.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.search-bar input::placeholder {
    color: var(--text-tertiary);
}

/* ===== Posts Container ===== */
.posts-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.post-card {
    position: relative;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    animation: fadeIn 0.5s ease;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--border-radius);
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.post-card:hover::before {
    opacity: 1;
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.post-card>* {
    position: relative;
    z-index: 1;
}

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

.post-category {
    display: inline-flex;
    padding: 0.25rem 0.75rem;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-time {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.post-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-content {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.post-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
}

.post-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.stat svg {
    width: 16px;
    height: 16px;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.empty-state svg {
    width: 120px;
    height: 120px;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.empty-state p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ===== HOT & BEST Badges ===== */
.hot-badge,
.best-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
    animation: pulse-badge 2s ease-in-out infinite;
}

.hot-badge {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff5252 100%);
    color: white;
}

.best-badge {
    background: linear-gradient(135deg, #ffd93d 0%, #ffb627 100%);
    color: #1a1a1a;
}

@keyframes pulse-badge {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* ===== Location Tags ===== */
.location-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-top: var(--spacing-xs);
}

.location-tag svg {
    width: 12px;
    height: 12px;
}

/* ===== Image Upload Preview ===== */
.image-upload-wrapper {
    margin-top: var(--spacing-sm);
}

.image-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1rem;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.image-upload-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.image-upload-btn svg {
    width: 20px;
    height: 20px;
}

.image-preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.image-preview {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.image-preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.image-preview-remove:hover {
    background: #ff5252;
    transform: scale(1.1);
}

.image-preview-remove svg {
    width: 14px;
    height: 14px;
}

/* ===== Post Images in Cards ===== */
.post-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-xs);
    margin: var(--spacing-sm) 0;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.post-images img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.post-images img:hover {
    transform: scale(1.05);
}

.post-images.single-image img {
    height: 250px;
}

/* ===== Vote System ===== */
.vote-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.vote-question {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.vote-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.vote-option {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
}

.vote-option:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.vote-option.selected {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.vote-option-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0.2) 100%);
    transition: width 0.5s ease;
    z-index: 0;
}

.vote-option-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.vote-option-text {
    font-weight: 500;
    color: var(--text-primary);
}

.vote-option-count {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.vote-total {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-sm);
}

/* ===== Scrap Button ===== */
.scrap-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
}

.scrap-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.scrap-btn.active {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.scrap-btn svg {
    width: 18px;
    height: 18px;
}

/* ===== Hot Posts Section ===== */
.hot-posts-section {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.05) 0%, rgba(255, 82, 82, 0.05) 100%);
    border: 2px solid rgba(255, 107, 107, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.hot-posts-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.hot-posts-header svg {
    width: 24px;
    height: 24px;
    color: #ff6b6b;
    animation: flame 1.5s ease-in-out infinite;
}

@keyframes flame {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }

    50% {
        transform: scale(1.1) rotate(5deg);
    }
}

.hot-posts-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff5252 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hot-posts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hot-post-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.hot-post-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.hot-post-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.hot-post-title {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hot-post-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

/* ===== Sort Options ===== */
.sort-options {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    justify-content: flex-end;
}

.sort-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
}

.sort-btn:hover {
    background: var(--bg-tertiary);
}

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

/* ===== Share Button ===== */
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
}

.share-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.share-btn svg {
    width: 18px;
    height: 18px;
}

/* ===== Admin Panel ===== */
.admin-badge {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.4);
    transition: all var(--transition-base);
    z-index: 999;
}

.admin-badge:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(255, 107, 107, 0.6);
}

.admin-badge svg {
    width: 28px;
    height: 28px;
    color: white;
}

.admin-badge.logged-in {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

.admin-badge.logged-in:hover {
    box-shadow: 0 6px 30px rgba(16, 185, 129, 0.6);
}

/* Admin Login Modal */
.admin-login {
    text-align: center;
}

.admin-login svg {
    width: 80px;
    height: 80px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.admin-login h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.admin-login p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.password-input-wrapper {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.password-input-wrapper input {
    width: 100%;
    padding: 1rem;
    padding-left: 3rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
}

.password-input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.password-input-wrapper svg {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
}

/* Admin Panel */
.admin-panel {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 400px;
    max-height: calc(100vh - 100px);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow-y: auto;
    z-index: 998;
    display: none;
    animation: slideInRight 0.3s ease;
}

.admin-panel.active {
    display: block;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.admin-panel-header {
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.admin-panel-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.admin-panel-header p {
    font-size: 0.85rem;
    opacity: 0.9;
}

.admin-panel-body {
    padding: var(--spacing-lg);
}

.admin-section {
    margin-bottom: var(--spacing-lg);
}

.admin-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.admin-section h4 svg {
    width: 18px;
    height: 18px;
}

.admin-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.admin-stat-card {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    text-align: center;
}

.admin-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.admin-stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Ban List */
.ban-list {
    max-height: 200px;
    overflow-y: auto;
}

.ban-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-xs);
}

.ban-user-info {
    flex: 1;
}

.ban-user-nickname {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.ban-user-ip {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: monospace;
}

.unban-btn {
    padding: 0.25rem 0.75rem;
    background: var(--accent-color);
    border: none;
    border-radius: var(--border-radius-sm);
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.unban-btn:hover {
    background: #059669;
    transform: scale(1.05);
}

/* Admin Buttons on Posts */
.admin-controls {
    display: none;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.admin-mode .admin-controls {
    display: flex;
}

.admin-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.admin-btn svg {
    width: 16px;
    height: 16px;
}

.admin-btn-delete {
    background: #ff6b6b;
    color: white;
}

.admin-btn-delete:hover {
    background: #ff5252;
    transform: translateY(-2px);
}

.admin-btn-ban {
    background: #fbbf24;
    color: #1a1a1a;
}

.admin-btn-ban:hover {
    background: #f59e0b;
    transform: translateY(-2px);
}

/* IP Display */
.ip-display {
    display: none;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: monospace;
    margin-top: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 107, 107, 0.1);
    border-radius: var(--border-radius-sm);
    width: fit-content;
}

.admin-mode .ip-display {
    display: inline-block;
}

/* Admin Logout Button */
.admin-logout-btn {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
}

.admin-logout-btn:hover {
    background: #ff6b6b;
    border-color: #ff6b6b;
    color: white;
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-secondary);
}

.modal-large {
    max-width: 800px;
}

.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
}

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

/* ===== Form Styles ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

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

.char-count {
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

.author-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.author-info svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.author-info strong {
    color: var(--primary-color);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* ===== Post Detail ===== */
.post-detail {
    animation: fadeIn 0.3s ease;
}

.post-detail-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.post-detail-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.post-detail-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.post-detail-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    white-space: pre-wrap;
}

.post-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.action-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

.action-btn svg {
    width: 18px;
    height: 18px;
}

/* ===== Comments Section ===== */
.comments-section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.comment-form {
    margin-bottom: var(--spacing-lg);
}

.comment-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
}

.comment-input-wrapper textarea {
    flex: 1;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    resize: none;
    transition: all var(--transition-base);
}

.comment-input-wrapper textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.comment {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
}

.comment:hover {
    background: var(--bg-tertiary);
}

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

.comment-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.comment-time {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.comment-content {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.comment-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.comment-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.comment-btn svg {
    width: 14px;
    height: 14px;
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: bottom var(--transition-slow);
}

.toast.show {
    bottom: var(--spacing-lg);
}

.toast svg {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
    flex-shrink: 0;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .header-content {
        padding: var(--spacing-sm) 0;
    }

    .logo h1 {
        font-size: 1.25rem;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }

    .btn span {
        display: none;
    }

    .hero {
        padding: var(--spacing-lg) 0;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .stats {
        gap: var(--spacing-lg);
    }

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

    .posts-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .modal-content {
        max-width: 100%;
        border-radius: var(--border-radius);
    }

    .modal-header,
    .modal-body {
        padding: var(--spacing-md);
    }

    .post-detail-title {
        font-size: 1.5rem;
    }

    .post-actions {
        flex-wrap: wrap;
    }

    .action-btn {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .category-filter {
        gap: var(--spacing-xs);
    }

    .category-chip {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .modal-actions {
        flex-direction: column-reverse;
    }

    .modal-actions .btn {
        width: 100%;
        justify-content: center;
    }
}