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

:root {
    --primary: #00FFD2;
    --primary-glow: rgba(0, 255, 210, 0.4);
    --accent: #FF00E5;
    --accent-glow: rgba(255, 0, 229, 0.4);
    --bg-glass: rgba(25, 25, 40, 0.6);
    --bg-glass-light: rgba(40, 40, 60, 0.4);
    --bg: #0a0a12;
    --text: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --success: #22C55E;
    --danger: #EF4444;
    
    --glass-blur: blur(20px);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    --card-width: 320px;
    --card-height: 440px;
    
    --font-display: 'Fredoka', sans-serif;
    --font-body: 'Nunito', 'Microsoft YaHei', sans-serif;
}

/* ========================================
   方案1: 霓虹紫夜
======================================== */
[data-theme="neon"] {
    --primary: #A855F7;
    --primary-glow: rgba(168, 85, 247, 0.4);
    --accent: #06B6D4;
    --accent-glow: rgba(6, 182, 212, 0.4);
    --bg-glass: rgba(30, 20, 50, 0.7);
    --bg-glass-light: rgba(20, 15, 35, 0.8);
    --bg: #0f0a15;
    --bg-gradient: linear-gradient(135deg, #0f0a15 0%, #1a1025 50%, #0f0a15 100%);
}

/* ========================================
   方案2: 极光冰川
======================================== */
[data-theme="aurora"] {
    --primary: #22D3EE;
    --primary-glow: rgba(34, 211, 238, 0.4);
    --accent: #818CF8;
    --accent-glow: rgba(129, 140, 248, 0.4);
    --bg-glass: rgba(15, 25, 35, 0.8);
    --bg-glass-light: rgba(10, 15, 25, 0.6);
    --bg: #0a0f12;
    --bg-gradient: linear-gradient(135deg, #0a0f12 0%, #101820 50%, #0a0f12 100%);
}

/* ========================================
   方案3: 樱花物语
======================================== */
[data-theme="sakura"] {
    --primary: #F472B6;
    --primary-glow: rgba(244, 114, 182, 0.4);
    --accent: #FB7185;
    --accent-glow: rgba(251, 113, 133, 0.4);
    --bg-glass: rgba(30, 20, 30, 0.8);
    --bg-glass-light: rgba(20, 15, 25, 0.7);
    --bg: #120a0f;
    --bg-gradient: linear-gradient(135deg, #120a0f 0%, #1a1018 50%, #120a0f 100%);
}

/* ========================================
   方案4: 春日翠语
======================================== */
[data-theme="spring-jade"] {
    --primary: #45C4B0;
    --primary-glow: rgba(69, 196, 176, 0.4);
    --accent: #9AEBA3;
    --accent-glow: rgba(154, 235, 163, 0.4);
    --bg-glass: rgba(1, 32, 48, 0.7);
    --bg-glass-light: rgba(19, 103, 138, 0.8);
    --bg: #012030;
    --bg-gradient: linear-gradient(135deg, #012030 0%, #13678A 50%, #012030 100%);
}

body {
    font-family: var(--font-body);
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    user-select: none;
    color: var(--text);
}

.app-container {
    display: flex;
    width: 100%;
    height: 100vh;
}

.sidebar {
    width: 200px;
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.3);
}

.sidebar-logo {
    padding: 0 20px 20px;
    border-bottom: var(--glass-border);
    margin-bottom: 20px;
}

.sidebar-logo h1 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-logo h1 .logo-icon {
    font-size: 28px;
}

.sidebar-nav {
    flex: 1;
    padding: 0 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s ease-out;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-weight: 500;
}

.nav-item .nav-icon {
    font-size: 20px;
}

.nav-item:hover {
    background: var(--bg-glass);
    color: var(--text);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg);
}

.nav-item-wrapper {
    position: relative;
}

.nav-item-wrapper .nav-item {
    width: 100%;
}

.nav-item-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    padding: 3px 8px;
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    font-family: var(--font-display);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.5);
    animation: badge-pulse 2s ease-in-out infinite;
    z-index: 10;
    white-space: nowrap;
}

@keyframes badge-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(255, 107, 107, 0.5);
    }
    50% {
        transform: scale(1.08);
        box-shadow: 0 4px 16px rgba(255, 107, 107, 0.7);
    }
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.header {
    height: 64px;
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 24px;
    gap: 16px;
    position: relative;
    z-index: 100;
}

.style-switch-btn {
    padding: 10px 18px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease-out;
    box-shadow: 0 4px 15px var(--primary-glow);
    display: flex;
    align-items: center;
    gap: 8px;
}

.style-switch-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--primary-glow);
}

.style-switch-btn .btn-icon {
    font-size: 16px;
}

.upgrade-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg);
    border: none;
    border-radius: 14px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease-out;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.upgrade-icon {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.upgrade-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--primary-glow);
}

.user-avatar-wrapper {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease-out;
    overflow: hidden;
    border: 2px solid var(--primary);
}

.user-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--primary-glow);
}

.user-avatar .avatar-icon {
    font-size: 24px;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-card {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 300px;
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--glass-shadow);
    display: none;
    z-index: 1000;
}

.user-card.show {
    display: block;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: var(--glass-border);
}

.user-card-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--bg-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    border: 2px solid var(--primary);
}

.user-card-avatar:hover::after {
    content: '更换';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.user-card-avatar .card-avatar-icon {
    font-size: 32px;
}

.user-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.user-card-phone {
    font-size: 14px;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 4px;
}

.user-card-badge {
    display: inline-flex;
    padding: 4px 10px;
    background: var(--bg-glass-light);
    border-radius: 8px;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

.user-card-badge.premium {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg);
}

.user-card-field {
    margin-bottom: 16px;
}

.user-card-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 500;
}

.user-card-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-glass);
    border: var(--glass-border);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text);
    transition: all 0.2s ease-out;
}

.user-card-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.user-card-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: var(--glass-border);
}

.user-card-btn {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease-out;
}

.user-card-btn.secondary {
    background: var(--bg-glass);
    color: var(--text);
    border: var(--glass-border);
}

.user-card-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.user-card-btn.danger {
    background: linear-gradient(135deg, var(--danger), #DC2626);
    color: white;
}

.user-card-btn.danger:hover {
    transform: translateY(-2px);
}

.content-area {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.page-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
}

.pet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

/* ========================================
   宠物卡片 - 霓虹紫夜风格
======================================== */
[data-theme="neon"] .pet-card {
    width: 320px;
    height: 440px;
    position: relative;
    background: rgba(30, 20, 50, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid transparent;
    border-radius: 24px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

[data-theme="neon"] .pet-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(135deg, #A855F7, #06B6D4);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
    transition: opacity 0.3s;
}

[data-theme="neon"] .pet-card:hover::before {
    opacity: 1;
}

[data-theme="neon"] .pet-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(168, 85, 247, 0.3), 0 0 60px rgba(168, 85, 247, 0.2);
}

[data-theme="neon"] .pet-card.active {
    box-shadow: 0 8px 32px rgba(168, 85, 247, 0.4);
}

[data-theme="neon"] .pet-card.active::before {
    opacity: 1;
}

[data-theme="neon"] .pet-preview {
    height: 65%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
}

[data-theme="neon"] .pet-preview-icon {
    width: 90px;
    height: 90px;
    color: var(--primary);
    filter: drop-shadow(0 0 30px rgba(168, 85, 247, 0.5));
    transition: all 0.3s;
}

[data-theme="neon"] .pet-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

[data-theme="neon"] .pet-card:hover .pet-preview-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 40px rgba(168, 85, 247, 0.7));
}

[data-theme="neon"] .pet-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-display);
}

[data-theme="neon"] .pet-badge.free {
    background: linear-gradient(135deg, #A855F7, #7C3AED);
    color: #fff;
}

[data-theme="neon"] .pet-badge.premium {
    background: linear-gradient(135deg, #06B6D4, #0891B2);
    color: #fff;
}

[data-theme="neon"] .pet-badge.using {
    background: linear-gradient(135deg, #22C55E, #16A34A);
    color: #fff;
}

[data-theme="neon"] .pet-info {
    height: 35%;
    padding: 20px;
    background: rgba(20, 15, 35, 0.8);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

[data-theme="neon"] .pet-name {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    color: #fff;
}

[data-theme="neon"] .pet-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

[data-theme="neon"] .pet-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="neon"] .pet-stat svg {
    width: 14px;
    height: 14px;
    color: #A855F7;
}

[data-theme="neon"] .pet-apply-btn {
    margin-top: auto;
    padding: 12px;
    background: linear-gradient(135deg, #A855F7, #7C3AED);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    z-index: 10;
}

[data-theme="neon"] .pet-apply-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.4);
}

[data-theme="neon"] .pet-apply-btn.using {
    background: linear-gradient(135deg, #06B6D4, #0891B2);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

/* ========================================
   宠物卡片 - 极光冰川风格
======================================== */
[data-theme="aurora"] .pet-card {
    width: 320px;
    height: 440px;
    position: relative;
    background: linear-gradient(180deg, rgba(15, 25, 35, 0.8) 0%, rgba(10, 20, 30, 0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(34, 211, 238, 0.15);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

[data-theme="aurora"] .pet-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.5), transparent);
}

[data-theme="aurora"] .pet-card:hover {
    transform: translateY(-6px);
    border-color: rgba(34, 211, 238, 0.4);
    box-shadow: 0 20px 50px rgba(34, 211, 238, 0.15);
}

[data-theme="aurora"] .pet-card.active {
    border-color: rgba(34, 211, 238, 0.5);
    box-shadow: 0 8px 32px rgba(34, 211, 238, 0.2);
}

[data-theme="aurora"] .aurora-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 70%;
    background: linear-gradient(180deg, rgba(34, 211, 238, 0.08) 0%, rgba(129, 140, 248, 0.05) 50%, transparent 100%);
    pointer-events: none;
}

[data-theme="aurora"] .pet-preview {
    height: 70%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="aurora"] .pet-preview-icon {
    width: 85px;
    height: 85px;
    color: var(--primary);
    filter: drop-shadow(0 0 20px rgba(34, 211, 238, 0.3));
    transition: all 0.3s;
}

[data-theme="aurora"] .pet-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

[data-theme="aurora"] .pet-card:hover .pet-preview-icon {
    transform: translateY(-8px);
    filter: drop-shadow(0 0 30px rgba(34, 211, 238, 0.5));
}

[data-theme="aurora"] .pet-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

[data-theme="aurora"] .pet-badge.free {
    background: rgba(34, 211, 238, 0.15);
    color: #22D3EE;
    border: 1px solid rgba(34, 211, 238, 0.3);
}

[data-theme="aurora"] .pet-badge.premium {
    background: rgba(129, 140, 248, 0.15);
    color: #818CF8;
    border: 1px solid rgba(129, 140, 248, 0.3);
}

[data-theme="aurora"] .pet-badge.using {
    background: rgba(34, 211, 238, 0.3);
    color: #22D3EE;
    border: 1px solid #22D3EE;
}

[data-theme="aurora"] .pet-info {
    height: 30%;
    padding: 16px 20px;
    background: rgba(10, 15, 25, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

[data-theme="aurora"] .pet-name {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.5px;
}

[data-theme="aurora"] .pet-stats {
    display: flex;
    gap: 12px;
}

[data-theme="aurora"] .pet-stat {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    gap: 6px;
}

[data-theme="aurora"] .pet-stat::before {
    content: '•';
    color: #22D3EE;
}

[data-theme="aurora"] .pet-stat svg {
    width: 12px;
    height: 12px;
    color: #22D3EE;
    display: none;
}

[data-theme="aurora"] .pet-apply-btn {
    margin-top: auto;
    padding: 10px;
    background: transparent;
    color: #22D3EE;
    border: 1px solid rgba(34, 211, 238, 0.4);
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 10;
}

[data-theme="aurora"] .pet-apply-btn:hover {
    background: rgba(34, 211, 238, 0.1);
    border-color: #22D3EE;
}

[data-theme="aurora"] .pet-apply-btn.using {
    background: linear-gradient(135deg, #22D3EE, #06B6D4);
    border-color: #22D3EE;
    color: #0a0f12;
    box-shadow: 0 4px 15px rgba(34, 211, 238, 0.4);
}

/* ========================================
   宠物卡片 - 樱花物语风格
======================================== */
[data-theme="sakura"] .pet-card {
    width: 320px;
    height: 440px;
    position: relative;
    background: linear-gradient(180deg, rgba(30, 20, 30, 0.8) 0%, rgba(25, 15, 25, 0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(244, 114, 182, 0.2);
    border-radius: 28px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

[data-theme="sakura"] .pet-card:hover {
    transform: translateY(-8px) rotate(1deg);
    border-color: rgba(244, 114, 182, 0.5);
    box-shadow: 0 25px 60px rgba(244, 114, 182, 0.2);
}

[data-theme="sakura"] .pet-card.active {
    border-color: rgba(244, 114, 182, 0.5);
    box-shadow: 0 8px 32px rgba(244, 114, 182, 0.3);
}

[data-theme="sakura"] .sakura-petals {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 70%;
    pointer-events: none;
    overflow: hidden;
}

[data-theme="sakura"] .petal {
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(244, 114, 182, 0.3);
    border-radius: 50% 0 50% 50%;
    animation: fall 4s linear infinite;
    opacity: 0;
}

[data-theme="sakura"] .pet-card:hover .petal {
    opacity: 1;
}

@keyframes fall {
    0% { transform: translateY(-10px) rotate(0deg); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(300px) rotate(360deg); opacity: 0; }
}

[data-theme="sakura"] .pet-preview {
    height: 70%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center bottom, rgba(244, 114, 182, 0.1) 0%, transparent 70%);
}

[data-theme="sakura"] .pet-preview-icon {
    width: 85px;
    height: 85px;
    color: var(--primary);
    filter: drop-shadow(0 0 25px rgba(244, 114, 182, 0.4));
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="sakura"] .pet-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

[data-theme="sakura"] .pet-card:hover .pet-preview-icon {
    transform: scale(1.1) rotate(-3deg);
}

[data-theme="sakura"] .pet-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-display);
}

[data-theme="sakura"] .pet-badge.free {
    background: linear-gradient(135deg, #F472B6, #EC4899);
    color: #fff;
}

[data-theme="sakura"] .pet-badge.premium {
    background: linear-gradient(135deg, #FB7185, #F43F5E);
    color: #fff;
}

[data-theme="sakura"] .pet-badge.using {
    background: linear-gradient(135deg, #22C55E, #16A34A);
    color: #fff;
}

[data-theme="sakura"] .pet-info {
    height: 30%;
    padding: 18px 20px;
    background: rgba(20, 15, 25, 0.7);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

[data-theme="sakura"] .pet-name {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: #fff;
}

[data-theme="sakura"] .pet-stats {
    display: flex;
    gap: 14px;
}

[data-theme="sakura"] .pet-stat {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 4px;
}

[data-theme="sakura"] .pet-stat svg {
    width: 14px;
    height: 14px;
    color: #F472B6;
}

[data-theme="sakura"] .pet-apply-btn {
    margin-top: auto;
    padding: 10px;
    background: linear-gradient(135deg, #F472B6, #EC4899);
    color: #fff;
    border: none;
    border-radius: 14px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    z-index: 10;
}

[data-theme="sakura"] .pet-apply-btn:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 25px rgba(244, 114, 182, 0.4);
}

[data-theme="sakura"] .pet-apply-btn.using {
    background: linear-gradient(135deg, #FB7185, #F43F5E);
    box-shadow: 0 4px 15px rgba(251, 113, 133, 0.4);
}

/* ========================================
   宠物卡片 - 二次元绿风格
======================================== */
[data-theme="spring-jade"] .pet-card {
    width: 320px;
    height: 440px;
    position: relative;
    background: rgba(1, 32, 48, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid transparent;
    border-radius: 24px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

[data-theme="spring-jade"] .pet-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(135deg, #45C4B0, #9AEBA3);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
    transition: opacity 0.3s;
}

[data-theme="spring-jade"] .pet-card:hover::before {
    opacity: 1;
}

[data-theme="spring-jade"] .pet-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(69, 196, 176, 0.3), 0 0 60px rgba(69, 196, 176, 0.2);
}

[data-theme="spring-jade"] .pet-card.active {
    box-shadow: 0 8px 32px rgba(69, 196, 176, 0.4);
}

[data-theme="spring-jade"] .pet-card.active::before {
    opacity: 1;
}

[data-theme="spring-jade"] .pet-preview {
    height: 65%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, rgba(69, 196, 176, 0.1) 0%, transparent 70%);
}

[data-theme="spring-jade"] .pet-preview-icon {
    width: 90px;
    height: 90px;
    color: var(--primary);
    filter: drop-shadow(0 0 30px rgba(69, 196, 176, 0.5));
    transition: all 0.3s;
}

[data-theme="spring-jade"] .pet-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

[data-theme="spring-jade"] .pet-card:hover .pet-preview-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 40px rgba(69, 196, 176, 0.7));
}

[data-theme="spring-jade"] .pet-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-display);
}

[data-theme="spring-jade"] .pet-badge.free {
    background: linear-gradient(135deg, #45C4B0, #13678A);
    color: #fff;
}

[data-theme="spring-jade"] .pet-badge.premium {
    background: linear-gradient(135deg, #9AEBA3, #45C4B0);
    color: #fff;
}

[data-theme="spring-jade"] .pet-badge.using {
    background: linear-gradient(135deg, #9AEBA3, #DAFDBA);
    color: #012030;
}

[data-theme="spring-jade"] .pet-info {
    height: 35%;
    padding: 20px;
    background: rgba(19, 103, 138, 0.8);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

[data-theme="spring-jade"] .pet-name {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    color: #fff;
}

[data-theme="spring-jade"] .pet-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

[data-theme="spring-jade"] .pet-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="spring-jade"] .pet-stat svg {
    width: 14px;
    height: 14px;
    color: #45C4B0;
}

[data-theme="spring-jade"] .pet-apply-btn {
    margin-top: auto;
    padding: 12px;
    background: linear-gradient(135deg, #45C4B0, #13678A);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    z-index: 10;
}

[data-theme="spring-jade"] .pet-apply-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(69, 196, 176, 0.4);
}

[data-theme="spring-jade"] .pet-apply-btn.using {
    background: linear-gradient(135deg, #9AEBA3, #45C4B0);
    box-shadow: 0 4px 15px rgba(154, 235, 163, 0.4);
}

/* ========================================
   设置页面
======================================== */
.settings-section {
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--glass-shadow);
}

.settings-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: var(--glass-border);
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-item-label {
    font-size: 14px;
    color: var(--text);
    font-weight: 500;
}

.settings-item-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.settings-btn {
    padding: 10px 20px;
    background: var(--bg-glass);
    color: var(--text);
    border: var(--glass-border);
    border-radius: 12px;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease-out;
}

.settings-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.settings-btn.danger {
    background: linear-gradient(135deg, var(--danger), #DC2626);
    color: white;
    border: none;
}

/* ========================================
   弹窗
======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 24px;
    padding: 32px;
    width: 400px;
    max-width: 90%;
    box-shadow: var(--glass-shadow);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    text-align: center;
}

.modal-field {
    margin-bottom: 16px;
}

.modal-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: block;
    font-weight: 500;
}

.modal-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: var(--glass-border);
    border-radius: 14px;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text);
    transition: all 0.2s ease-out;
}

.modal-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.modal-input-row {
    display: flex;
    gap: 12px;
}

.modal-input-row .modal-input {
    flex: 1;
}

.code-btn {
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.2s ease-out;
}

.code-btn:hover {
    transform: scale(1.02);
}

.code-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.modal-btn {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s ease-out;
}

.modal-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.modal-btn.secondary {
    background: var(--bg-glass);
    color: var(--text);
    border: var(--glass-border);
}

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

/* ========================================
   风格选择弹窗
======================================== */
.style-modal {
    width: 520px;
}

.style-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.style-option {
    background: var(--bg-glass);
    border: 2px solid transparent;
    border-radius: 16px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease-out;
}

.style-option:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--primary-glow);
}

.style-option.active {
    border-color: var(--primary);
    box-shadow: 0 4px 16px var(--primary-glow);
}

.style-preview {
    height: 60px;
    border-radius: 12px;
    margin-bottom: 12px;
}

.style-preview.cyber {
    background: linear-gradient(135deg, #00FFD2, #FF00E5);
}

.style-preview.neon {
    background: linear-gradient(135deg, #A855F7, #06B6D4);
}

.style-preview.aurora {
    background: linear-gradient(135deg, #22D3EE, #818CF8);
}

.style-preview.sakura {
    background: linear-gradient(135deg, #F472B6, #FB7185);
}

.style-preview.spring-jade {
    background: linear-gradient(135deg, #45C4B0, #9AEBA3);
}

.style-info {
    text-align: center;
}

.style-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.style-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* ========================================
   Toast
======================================== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 24px;
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    color: var(--text);
    border-radius: 14px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease-out;
    z-index: 3000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* ========================================
   空状态
======================================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state svg {
    width: 80px;
    height: 80px;
    color: var(--primary);
    opacity: 0.5;
    margin-bottom: 16px;
}

.empty-state h2 {
    font-family: var(--font-display);
    color: var(--text);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
}

/* ========================================
   宠物定制页面
======================================== */
.customize-container {
    max-width: 800px;
    margin: 0 auto;
}

.customize-form {
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--glass-shadow);
}

.form-section {
    margin-bottom: 32px;
}

.form-section:last-of-type {
    margin-bottom: 24px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.required-star {
    color: var(--danger);
    margin-left: 4px;
}

.section-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.hover-text {
    position: relative;
    cursor: help;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.3);
    transition: all 0.2s ease-out;
    color: #ffffff;
}

.hover-text:hover {
    border-bottom-color: var(--primary);
    color: #ffffff;
}

.hover-image-tooltip {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease-out;
    transform: translate(-50%, -100%);
}

.hover-image-tooltip.show {
    opacity: 1;
}

.tooltip-image {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-out;
}

.success-modal.show {
    opacity: 1;
    pointer-events: auto;
}

.success-content {
    background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
    border-radius: 24px;
    padding: 48px 64px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    transform: scale(0.5);
    transition: transform 0.3s ease-out;
    position: relative;
    overflow: visible;
}

.success-modal.show .success-content {
    animation: pop-in 0.6s ease-out forwards;
}

@keyframes pop-in {
    0% {
        transform: perspective(1000px) rotateX(-120deg) scale(0.2);
    }
    60% {
        transform: perspective(1000px) rotateX(20deg) scale(1.3);
    }
    100% {
        transform: perspective(1000px) rotateX(0deg) scale(1);
    }
}

.success-modal.show .success-content:hover {
    transform: scale(1.02);
}

.confetti-container {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    pointer-events: none;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    opacity: 0;
}

.success-modal.show .confetti {
    animation: confetti-fall 3s ease-out infinite;
}

@keyframes confetti-fall {
    0% {
        opacity: 1;
        transform: translateY(0) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(400px) rotate(720deg);
    }
}

.success-icon {
    font-size: 64px;
    margin: 0 auto 24px;
    animation: bounce 0.6s ease-out;
}

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

.success-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.success-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.success-button {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: #ffffff;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    padding: 14px 48px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease-out;
    backdrop-filter: blur(10px);
}

.success-button:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.success-button:active {
    transform: translateY(0);
}

.exclusive-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #ffffff;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
    z-index: 10;
}

.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
}

.form-label.required::after {
    content: ' *';
    color: var(--danger);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: var(--glass-border);
    border-radius: 14px;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text);
    transition: all 0.2s ease-out;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.video-upload-list {
    display: flex;
    flex-wrap: nowrap;
    gap: 16px;
    align-items: center;
    overflow-x: auto;
    padding-bottom: 8px;
}

.video-upload-item {
    position: relative;
    flex-shrink: 0;
}

.upload-box {
    width: 120px;
    height: 90px;
    background: var(--bg-glass);
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease-out;
}

.upload-box:hover {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
}

.upload-box.has-video {
    border-style: solid;
    border-color: var(--primary);
    position: relative;
    overflow: hidden;
}

.upload-box .video-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 14px;
}

.upload-box.has-processed-video {
    background-image:
        linear-gradient(45deg, #ccc 25%, transparent 25%),
        linear-gradient(-45deg, #ccc 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #ccc 75%),
        linear-gradient(-45deg, transparent 75%, #ccc 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #fff;
}

.upload-box.has-processed-video .video-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: normal;
}

.upload-box .video-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 10px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.upload-box .remove-video {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(239, 68, 68, 0.9);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}

.upload-box.has-video:hover .remove-video {
    opacity: 1;
}

.upload-icon {
    width: 32px;
    height: 32px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.upload-text {
    font-size: 12px;
    color: var(--text-muted);
}

.add-video-btn {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    border-radius: 50%;
    color: var(--bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease-out;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.add-video-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px var(--primary-glow);
}

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

.add-video-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.form-actions {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    padding-top: 24px;
    border-top: var(--glass-border);
}

.form-btn {
    padding: 14px 32px;
    border: none;
    border-radius: 14px;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease-out;
}

.form-btn.secondary {
    background: var(--bg-glass);
    color: var(--text);
    border: var(--glass-border);
}

.form-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.form-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.form-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--primary-glow);
}

/* ========================================
   响应式
======================================== */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
        padding: 10px 0;
    }
    
    .sidebar-logo h1 span {
        display: none;
    }
    
    .nav-item span {
        display: none;
    }
    
    .pet-grid {
        grid-template-columns: 1fr;
    }
    
    .style-options {
        grid-template-columns: 1fr;
    }
    
    .style-modal {
        width: 90%;
    }
}