/* ===== 원주 테마 CSS Variables ===== */
:root {
    /* 원주 컬러 팔레트 - 치악산 초록 & 소금산 하늘 */
    --primary-color: #2d8a4e;
    --primary-hover: #236b3d;
    --primary-light: #4eca73;
    --secondary-color: #3b82c4;
    --accent-color: #d4a853;

    /* Gradients - 치악산 ~ 하늘 */
    --gradient-primary: linear-gradient(135deg, #2d8a4e 0%, #3b82c4 100%);
    --gradient-hero: linear-gradient(135deg, #1a5c32 0%, #2d8a4e 30%, #3b82c4 70%, #87ceeb 100%);
    --gradient-card: linear-gradient(135deg, rgba(45, 138, 78, 0.08) 0%, rgba(59, 130, 196, 0.08) 100%);
    --gradient-mountain: linear-gradient(180deg, #87ceeb 0%, #b8e6d0 40%, #2d8a4e 100%);

    /* Background - 한지 느낌의 따뜻한 배경 */
    --bg-primary: #faf8f5;
    --bg-secondary: #f3efe9;
    --bg-tertiary: #ebe5db;
    --bg-glass: rgba(250, 248, 245, 0.85);
    --bg-overlay: rgba(0, 0, 0, 0.5);

    /* Text */
    --text-primary: #2c2416;
    --text-secondary: #6b5e4f;
    --text-tertiary: #9c8e7c;

    /* Border */
    --border-color: #e0d8cc;
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --border-radius-lg: 24px;

    /* Shadow - 따뜻한 톤 */
    --shadow-sm: 0 1px 3px rgba(44, 36, 22, 0.06);
    --shadow-md: 0 4px 12px rgba(44, 36, 22, 0.08);
    --shadow-lg: 0 8px 24px rgba(44, 36, 22, 0.1);
    --shadow-xl: 0 16px 40px rgba(44, 36, 22, 0.12);
    --shadow-green: 0 4px 20px rgba(45, 138, 78, 0.25);

    /* 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 - 치악산 밤하늘 */
[data-theme="dark"] {
    --primary-color: #4eca73;
    --primary-hover: #3db860;
    --primary-light: #6fdc8e;

    --bg-primary: #1a1f16;
    --bg-secondary: #242b1e;
    --bg-tertiary: #2e3726;
    --bg-glass: rgba(26, 31, 22, 0.85);
    --bg-overlay: rgba(0, 0, 0, 0.7);

    --text-primary: #e8e4dc;
    --text-secondary: #b0a896;
    --text-tertiary: #7d7466;

    --border-color: #3a4230;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.4);
    --shadow-green: 0 4px 20px rgba(78, 202, 115, 0.2);
}

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

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 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 - 한지 질감 ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 2px 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: 36px;
    height: 36px;
    color: var(--primary-color);
    filter: drop-shadow(0 2px 4px rgba(45, 138, 78, 0.3));
}

.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 */
.theme-toggle {
    width: 44px; height: 44px; border: none;
    background: var(--bg-secondary);
    border-radius: 50%;
    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(1.1) rotate(15deg); }
.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: 600; 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;
    box-shadow: var(--shadow-green);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(45,138,78,0.35); }

.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border: 2px solid var(--border-color); }
.btn-secondary:hover { background: var(--bg-tertiary); border-color: var(--primary-color); }

.btn-back {
    display: inline-flex; align-items: center; gap: var(--spacing-xs);
    padding: 0.5rem 1rem; background: var(--bg-secondary);
    border: 2px solid var(--border-color); 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); border-color: var(--primary-color); }
.btn-back svg { width: 18px; height: 18px; }

/* ===== Hero Section - 치악산 풍경 ===== */
.hero {
    position: relative;
    padding: var(--spacing-xl) 0 calc(var(--spacing-xl) + 60px);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.12;
    z-index: 0;
}

/* 산 실루엣 */
.hero-bg::before {
    content: '';
    position: absolute;
    bottom: 0; left: -5%; right: -5%;
    height: 80px;
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%232d8a4e' fill-opacity='0.15' d='M0,80 C120,20 240,60 360,40 C480,20 600,70 720,50 C840,30 960,75 1080,55 C1200,35 1320,65 1440,45 L1440,120 L0,120 Z'/%3E%3Cpath fill='%232d8a4e' fill-opacity='0.1' d='M0,90 C180,40 360,80 540,55 C720,30 900,70 1080,45 C1260,20 1380,60 1440,50 L1440,120 L0,120 Z'/%3E%3C/svg%3E") no-repeat bottom center;
    background-size: cover;
    z-index: 1;
}

/* 구름 애니메이션 */
.hero-bg::after {
    content: '☁️';
    position: absolute;
    top: 20%; left: -10%;
    font-size: 3rem;
    opacity: 0.3;
    animation: floatCloud 20s linear infinite;
    z-index: 2;
}

@keyframes floatCloud {
    0% { left: -10%; } 100% { left: 110%; }
}

.hero-content { position: relative; z-index: 3; 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 - 돌 모양 카드 */
.stats {
    display: flex; justify-content: center;
    gap: var(--spacing-lg); flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.stat-item {
    text-align: center;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--border-color);
    min-width: 120px;
    transition: transform var(--transition-base);
}
.stat-item:hover { transform: translateY(-4px) scale(1.03); }

.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); font-weight: 500; }

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

/* ===== Category Filter - 나뭇잎 스타일 ===== */
.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: 4px; }
.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 1.5rem;
    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);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.category-chip.active {
    background: var(--gradient-primary);
    color: white; border-color: transparent;
    box-shadow: var(--shadow-green);
}

/* ===== 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(45,138,78,0.1);
}
.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; height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.post-card:hover::before { opacity: 1; }
.post-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(45,138,78,0.3);
}
.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: 0.3rem 0.85rem;
    background: var(--gradient-primary); color: white;
    font-size: 0.75rem; font-weight: 600;
    border-radius: 50px;
    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: 28px; height: 28px; border-radius: 50%;
    background: var(--gradient-primary);
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 0.75rem; font-weight: 600;
    box-shadow: 0 2px 8px rgba(45,138,78,0.3);
}

.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(--primary-color); opacity: 0.4; margin-bottom: var(--spacing-md); }
.empty-state h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: var(--spacing-sm); }
.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 0.85rem; 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, #ee5a24); color: white; }
.best-badge { background: linear-gradient(135deg, #ffd93d, #d4a853); color: #2c2416; }

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

/* ===== Location Tags - 나뭇잎 ===== */
.location-tag {
    display: inline-flex; align-items: center; gap: 0.25rem;
    padding: 0.3rem 0.85rem;
    background: rgba(45,138,78,0.08);
    border: 1.5px solid rgba(45,138,78,0.3);
    border-radius: 50px;
    font-size: 0.78rem; font-weight: 500;
    color: var(--primary-color);
    margin-top: var(--spacing-xs);
}
.location-tag svg { width: 12px; height: 12px; }

/* ===== Image Upload ===== */
.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 */
.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;
    border: 2px solid var(--border-color);
}
.vote-question { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--spacing-md); }
.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-bar {
    position: absolute; top: 0; left: 0; height: 100%;
    background: linear-gradient(90deg, rgba(45,138,78,0.1), rgba(45,138,78,0.2));
    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; }
.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 & Share Buttons ===== */
.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(--accent-color); color: var(--accent-color); transform: translateY(-2px); }
.scrap-btn.active { background: var(--accent-color); border-color: var(--accent-color); color: white; }
.scrap-btn svg { width: 18px; height: 18px; }

.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(--secondary-color); color: var(--secondary-color); transform: translateY(-2px); }
.share-btn svg { width: 18px; height: 18px; }

/* ===== Hot Posts - 불꽃 섹션 ===== */
.hot-posts-section {
    background: linear-gradient(135deg, rgba(255,107,107,0.06), rgba(212,168,83,0.06));
    border: 2px solid rgba(212,168,83,0.25);
    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: #d4a853; animation: flame 1.5s ease-in-out infinite; }

@keyframes flame {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.15) rotate(5deg); }
}

.hot-posts-header h3 {
    font-size: 1.25rem; font-weight: 700;
    background: linear-gradient(135deg, #d4a853, #ee5a24);
    -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);
    border: 1px solid transparent;
}
.hot-post-item:hover { transform: translateX(8px); box-shadow: var(--shadow-md); border-color: var(--border-color); }

.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; 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: 1.5px 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; }

/* ===== Admin Styles ===== */
.admin-badge {
    position: fixed; bottom: 20px; right: 20px;
    width: 56px; height: 56px;
    background: linear-gradient(135deg, #d4a853, #ee5a24);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; box-shadow: 0 4px 20px rgba(212,168,83,0.4);
    transition: all var(--transition-base); z-index: 999;
}
.admin-badge:hover { transform: scale(1.1); }
.admin-badge svg { width: 28px; height: 28px; color: white; }
.admin-badge.logged-in { background: linear-gradient(135deg, #2d8a4e, #1a5c32); box-shadow: 0 4px 20px rgba(45,138,78,0.4); }

.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 1rem 1rem 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(45,138,78,0.1); }
.password-input-wrapper svg { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; color: var(--text-tertiary); }

.admin-panel {
    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); 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; border: 1px solid var(--border-color); }
.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 { 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; 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(--primary-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: var(--primary-hover); transform: scale(1.05); }

.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 { 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-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);
    border: 2px solid var(--border-color);
}
.modal-large { max-width: 800px; }
.modal-content::-webkit-scrollbar { width: 6px; }
.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: 2px solid var(--border-color);
    background: linear-gradient(135deg, rgba(45,138,78,0.04), rgba(59,130,196,0.04));
}
.modal-header h3 { font-size: 1.5rem; font-weight: 600; }
.modal-close {
    width: 40px; height: 40px; border: none;
    background: var(--bg-secondary); border-radius: 50%;
    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(45,138,78,0.1);
}
.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);
    border: 1px solid var(--border-color);
}
.author-info svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--primary-color); }
.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); }
.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; 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; box-shadow: var(--shadow-green); }
.action-btn svg { width: 18px; height: 18px; }

/* ===== Comments ===== */
.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(45,138,78,0.1); }

.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); border-left: 3px solid var(--primary-color); }
.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; }
.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 ===== */
.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(--primary-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(--primary-color); flex-shrink: 0; }

/* ===== Responsive ===== */
@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 calc(var(--spacing-lg) + 40px); }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    .stats { gap: var(--spacing-sm); }
    .stat-item { padding: var(--spacing-sm) var(--spacing-md); }
    .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; }
}