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

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, sans-serif;
    line-height: 1.6;
    color: #d9e0ea;
    background:
        radial-gradient(
            circle at 15% 20%,
            rgba(121, 170, 255, 0.18) 0%,
            rgba(121, 170, 255, 0) 35%
        ),
        radial-gradient(
            circle at 85% 0%,
            rgba(79, 214, 255, 0.14) 0%,
            rgba(79, 214, 255, 0) 30%
        ),
        linear-gradient(180deg, #0f141d 0%, #0c1118 55%, #0a0f15 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 24px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px 20px;
    background: linear-gradient(155deg, rgba(25, 34, 47, 0.8), rgba(17, 24, 34, 0.72));
    border-radius: 22px;
    color: #f7fbff;
    border: 1px solid rgba(137, 169, 212, 0.22);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(3px);
    position: relative;
}

.header-tools {
    position: absolute;
    top: 16px;
    right: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.home-btn {
    position: absolute;
    top: 16px;
    left: 16px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(164, 190, 228, 0.3);
    border-radius: 20px;
    color: #e8f1ff;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.home-btn:hover {
    background: rgba(255, 255, 255, 0.16);
    transform: translateX(-2px);
}

.home-btn svg {
    flex-shrink: 0;
}

h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.subtitle {
    font-size: 1rem;
    color: #b4c0cf;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.stat-item {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(164, 190, 228, 0.24);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.stat-item strong {
    font-size: 1.2rem;
}

.search-bar {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    padding: 16px;
    border-radius: 16px;
    background: linear-gradient(165deg, rgba(25, 34, 48, 0.9), rgba(17, 24, 35, 0.9));
    border: 1px solid rgba(134, 164, 205, 0.2);
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.22);
}

.filter-group {
    display: flex;
    gap: 6px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(142, 170, 211, 0.16);
    border-radius: 28px;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: 12px 16px;
    border: 1px solid rgba(142, 170, 211, 0.24);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 25px;
    font-size: 1rem;
    color: #edf4ff;
    outline: none;
    transition: border-color 0.2s;
}

.search-input::placeholder {
    color: #9fb0c7;
}

.search-input:focus {
    border-color: #5fafff;
}

.filter-btn {
    padding: 12px 20px;
    border: 1px solid transparent;
    border-radius: 25px;
    background: transparent;
    color: #b7c4d6;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: rgba(111, 174, 255, 0.42);
    color: #dbe9ff;
}

.filter-btn.active {
    background: linear-gradient(135deg, #4a77ff, #35b8ff);
    border-color: transparent;
    color: #f6f9ff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.card {
    background: linear-gradient(160deg, rgba(34, 47, 66, 0.84), rgba(23, 32, 46, 0.82));
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
    transition: all 0.2s ease;
    border: 1px solid rgba(142, 170, 211, 0.16);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.28);
    border-color: rgba(86, 157, 255, 0.45);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    background: rgba(225, 232, 237, 0.16);
    flex-shrink: 0;
}

.avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.avatar-fallback {
    background: #1da1f2;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.nickname {
    font-weight: 700;
    font-size: 1rem;
    color: #edf4ff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    text-decoration: none;
}

.nickname:hover {
    color: #7cc8ff;
}

.handle {
    font-size: 0.85rem;
    color: #94a7bf;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bio {
    font-size: 0.9rem;
    color: #9fb0c7;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.profile-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    padding: 8px 16px;
    background: rgba(111, 174, 255, 0.14);
    border: 1px solid rgba(111, 174, 255, 0.32);
    border-radius: 20px;
    color: #8fd1ff;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: background 0.2s;
}

.profile-link:hover {
    background: rgba(111, 174, 255, 0.22);
}

.profile-link svg {
    width: 16px;
    height: 16px;
}

/* 微博卡片样式 */
.card.weibo-card:hover {
    border-color: #ff8200;
}

.card.weibo-card .nickname:hover {
    color: #ff8200;
}

.card.weibo-card .profile-link {
    color: #ffc17f;
    border-color: rgba(255, 130, 0, 0.3);
    background: rgba(255, 130, 0, 0.14);
}

.card.weibo-card .profile-link:hover {
    background: rgba(255, 130, 0, 0.24);
}

.card.weibo-card .profile-link svg {
    fill: #ff8200;
}

.card.weibo-card .avatar-fallback {
    background: #ff8200;
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: #9fb0c7;
}

.no-results svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.back-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4a77ff, #35b8ff);
    color: #f6f9ff;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(53, 129, 255, 0.36);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.back-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(53, 129, 255, 0.46);
}

.result-count {
    margin-bottom: 16px;
    color: #9fb0c7;
    font-size: 0.9rem;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #9fb0c7;
}

.loading-spinner {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 3px solid rgba(126, 199, 255, 0.22);
    border-top-color: #7ec7ff;
    margin: 0 auto 14px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.delete-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: rgba(244, 67, 54, 0.2);
    color: #ff9188;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.2s;
}

.card {
    position: relative;
}

.card:hover .delete-btn.visible {
    opacity: 1;
}

.delete-btn:hover {
    background: #f44336;
    color: #fff;
    transform: scale(1.1);
}

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

.export-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #f6fffb;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.export-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

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

.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
    padding: 0 4px;
}

.deleted-count {
    color: #f44336;
    font-size: 0.9rem;
}

.load-more-wrap {
    margin-top: 18px;
    display: flex;
    justify-content: center;
}

.load-more-btn {
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid rgba(126, 199, 255, 0.34);
    background: rgba(126, 199, 255, 0.12);
    color: #bfe4ff;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.load-more-btn:hover {
    background: rgba(126, 199, 255, 0.2);
    border-color: rgba(126, 199, 255, 0.5);
    transform: translateY(-1px);
}

footer {
    text-align: center;
    padding: 30px 0;
    color: #8fa2bc;
    font-style: italic;
    margin-top: 40px;
}

.repo-link {
    margin-top: 15px;
    font-style: normal;
}

.repo-link a {
    color: #9cb0c8;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: color 0.2s ease;
}

.repo-link a:hover {
    color: #d6e7ff;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(164, 190, 228, 0.3);
    border-radius: 20px;
    color: #e8f1ff;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s;
}

.lang-switch:hover {
    background: rgba(255, 255, 255, 0.16);
}

.theme-switch {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(164, 190, 228, 0.3);
    background: rgba(255, 255, 255, 0.08);
    color: #e8f1ff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: all 0.2s;
}

.theme-switch:hover {
    background: rgba(255, 255, 255, 0.16);
    transform: translateY(-1px);
}

.en {
    display: none;
}

.zh {
    display: inline;
}

body.lang-en .en {
    display: inline;
}

body.lang-en .zh {
    display: none;
}

body.theme-light {
    color: #0f1419;
    background: #f7f9fa;
}

body.theme-light header {
    background: linear-gradient(135deg, #1da1f2 0%, #0d8ecf 100%);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 20px rgba(29, 161, 242, 0.3);
}

body.theme-light .subtitle {
    color: rgba(255, 255, 255, 0.9);
}

body.theme-light .home-btn,
body.theme-light .lang-switch,
body.theme-light .theme-switch,
body.theme-light .stat-item {
    background: rgba(255, 255, 255, 0.2);
    border-color: transparent;
    color: #fff;
}

body.theme-light .theme-switch:hover,
body.theme-light .lang-switch:hover,
body.theme-light .home-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

body.theme-light .search-bar {
    background: #fff;
    border-color: #e1e8ed;
    box-shadow: none;
}

body.theme-light .filter-group {
    background: #f0f3f5;
    border-color: transparent;
}

body.theme-light .search-input {
    background: #fff;
    border-color: #e1e8ed;
    color: #0f1419;
}

body.theme-light .search-input::placeholder {
    color: #536471;
}

body.theme-light .search-input:focus {
    border-color: #1da1f2;
}

body.theme-light .filter-btn {
    color: #536471;
}

body.theme-light .filter-btn:hover {
    border-color: #1da1f2;
    color: #1da1f2;
}

body.theme-light .filter-btn.active {
    background: #1da1f2;
    color: #fff;
}

body.theme-light .card {
    background: #fff;
    border-color: #e1e8ed;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

body.theme-light .card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #1da1f2;
}

body.theme-light .nickname {
    color: #0f1419;
}

body.theme-light .nickname:hover {
    color: #1da1f2;
}

body.theme-light .handle,
body.theme-light .bio,
body.theme-light .result-count,
body.theme-light .loading,
body.theme-light .no-results {
    color: #536471;
}

body.theme-light .profile-link {
    background: #f7f9fa;
    border-color: transparent;
    color: #1da1f2;
}

body.theme-light .profile-link:hover {
    background: #e8f5fe;
}

body.theme-light .card.weibo-card .profile-link {
    color: #ff8200;
    background: #fff7ef;
    border-color: transparent;
}

body.theme-light .card.weibo-card .profile-link:hover {
    background: #fff1e3;
}

body.theme-light .card.weibo-card:hover {
    border-color: #ff8200;
}

body.theme-light footer {
    color: #95a5a6;
}

body.theme-light .repo-link a {
    color: #7f8c8d;
}

body.theme-light .repo-link a:hover {
    color: #1da1f2;
}

body.theme-light .theme-switch {
    box-shadow: 0 2px 10px rgba(17, 84, 128, 0.18);
}

body.theme-light .load-more-btn {
    color: #157fc9;
    background: #eaf6ff;
    border-color: rgba(29, 161, 242, 0.35);
}

body.theme-light .load-more-btn:hover {
    background: #ddf0ff;
}

.search-input:focus-visible,
.filter-btn:focus-visible,
.home-btn:focus-visible,
.lang-switch:focus-visible,
.theme-switch:focus-visible,
.profile-link:focus-visible,
.export-btn:focus-visible,
.load-more-btn:focus-visible,
.back-top:focus-visible,
.delete-btn:focus-visible {
    outline: 2px solid #7ec7ff;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 14px;
    }

    h1 {
        font-size: 1.5rem;
    }

    .stats {
        gap: 15px;
    }

    .stat-item {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .search-bar {
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
    }

    .filter-group {
        width: 100%;
        justify-content: center;
    }

    header {
        border-radius: 18px;
        padding: 64px 14px 20px;
    }

    .home-btn {
        top: 12px;
        left: 12px;
    }

    .header-tools {
        top: 12px;
        right: 12px;
    }

    .filter-btn {
        text-align: center;
        flex: 1;
    }

    .back-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}