/* ═══════════════════════════════════════════════════════
   牛哥精选网址 · 主样式
   移动优先 · 干净简洁
   ═══════════════════════════════════════════════════════ */

/* ─── Reset & Base ─── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #faf9f7;
    --color-surface: #ffffff;
    --color-text: #1a1a2e;
    --color-text-secondary: #6b7280;
    --color-border: #e5e7eb;
    --color-accent: #e85d04;
    --color-accent-light: #fff4ed;
    --color-link: #2563eb;
    --color-link-hover: #1d4ed8;
    --color-success: #059669;
    --color-error: #dc2626;
    --color-warning: #d97706;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --max-width: min(1200px, 100% - 40px);
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    color: var(--color-link-hover);
}

/* ─── Container ─── */
.container {
    margin: 0 auto;
    padding: 0 20px;
}

/* ─── Header ─── */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 12px 0;
}

.site-header .container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-text);
    flex-shrink: 0;
}

.logo-icon {
    font-size: 1.4rem;
}

.module-nav {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
    margin: 0 8px;
}

.module-nav-link {
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all 0.15s;
}

.module-nav-link:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.module-nav-link.active {
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-weight: 600;
}

.nav {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.nav-link {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: all 0.15s;
}

.nav-link:hover,
.nav-link.active {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.admin-link {
    border: 1px solid var(--color-border);
}

.admin-link:hover {
    border-color: var(--color-accent);
}

/* ─── Search ─── */
.search-form {
    flex: 1;
    min-width: 0;
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.search-input {
    width: 100%;
    max-width: 280px;
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.85rem;
    background: var(--color-bg);
    outline: none;
    transition: border-color 0.15s;
}

.search-input:focus {
    border-color: var(--color-accent);
    background: var(--color-surface);
}

/* ─── Main ─── */
.main-content {
    flex: 1;
    padding: 32px 0;
}

/* ─── Page Header ─── */
.page-header {
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.subtitle {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.date-badge {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    padding: 2px 10px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

/* ─── Link Card ─── */
.link-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 768px) {
    .link-list {
        grid-template-columns: 1fr 1fr;
    }
}

/* 工具模块：卡片紧凑样式 */
.link-grid-tools .link-card {
    padding: 12px 14px;
}

.link-grid-tools .card-desc {
    display: none;
}

.link-grid-tools .card-title {
    font-size: 0.95rem;
}

.link-grid-tools .card-rank {
    display: none;
}

/* 工具模块：4 列宫格 */
@media (min-width: 1200px) {
    .link-grid-tools {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (min-width: 768px) and (max-width: 1199px) {
    .link-grid-tools {
        grid-template-columns: repeat(2, 1fr);
    }
}

.link-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    gap: 16px;
    padding: 20px;
    transition: box-shadow 0.15s, transform 0.15s;
    border: 1px solid var(--color-border);
}

.link-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.link-card.picked {
    border-left: 3px solid var(--color-accent);
}

.card-rank {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent);
    min-width: 28px;
    text-align: center;
    flex-shrink: 0;
    padding-top: 2px;
}

.card-body {
    flex: 1;
    min-width: 0;
}

.card-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 6px;
    align-items: center;
}

.category-tag,
.source-tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 6px;
    background: var(--color-bg);
    color: var(--color-text-secondary);
}

.card-title {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 6px;
}

.card-title a {
    color: var(--color-text);
}

.card-title a:hover {
    color: var(--color-accent);
}

.card-review {
    font-size: 0.9rem;
    color: var(--color-accent);
    background: var(--color-accent-light);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    line-height: 1.5;
}

.card-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    word-break: break-all;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
}
.tag {
    font-size: 0.72rem;
    color: var(--color-accent);
    background: var(--color-accent-light);
    padding: 1px 8px;
    border-radius: 4px;
    line-height: 1.6;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.12s;
}
.tag:hover {
    background: var(--color-accent);
    color: white;
}

/* ─── Category Grid ─── */
.categories-section {
    margin-bottom: 20px;
}

.categories-section h2 {
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
}

.category-card {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 6px;
    margin: 0 auto;
    background: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: all 0.15s;
    color: var(--color-text);
}

.category-card:hover,
.category-card.active {
    border-color: var(--color-accent);
    color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.category-card.active {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
}

.category-more {
    margin-top: 14px;
    text-align: center;
}

.category-more a {
    font-size: 0.88rem;
    color: var(--color-accent);
    font-weight: 500;
}

.category-more a:hover {
    text-decoration: underline;
}

.cat-icon {
    font-size: 1rem;
}

.cat-name {
    font-weight: 500;
    font-size: 0.9rem;
}

/* ─── Module Tabs ─── */
.module-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
}

.module-tab {
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.15s;
}

.module-tab:hover {
    color: var(--color-text);
}

.module-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* ─── Range Tabs ─── */
.range-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0;
}

.range-tab {
    padding: 8px 16px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.15s;
}

.range-tab:hover {
    color: var(--color-text);
}

.range-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    font-weight: 600;
}

.date-tag {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.fb-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0;
    opacity: 0.6;
    transition: opacity 0.15s;
    margin-left: auto;
    line-height: 1;
}
.fb-btn:hover { opacity: 1; }

/* ─── Modal Overlay（通用）─── */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.modal-box { background: var(--color-surface); border-radius: var(--radius); padding: 24px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); max-width:420px; width:90%; }
.modal-title { font-size: 1.1rem; font-weight: 700; }

/* 反馈弹窗覆盖 */
#fb-modal .modal-box { background: var(--color-surface); border-radius: var(--radius); padding: 24px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); max-width:420px; width:90%; }
#fb-modal .form-input { width:100%; padding:8px 12px; border:1px solid var(--color-border); border-radius:var(--radius-sm); font-size:0.9rem; font-family:var(--font); outline:none; box-sizing:border-box; }
#fb-modal .form-input:focus { border-color:var(--color-accent); }
#fb-modal .form-group { margin-bottom:12px; }
#fb-modal .form-group label { display:block; font-weight:600; font-size:0.85rem; margin-bottom:4px; }

.new-badge {
    font-size: 0.7rem;
    font-weight: 800;
    color: white;
    background: #dc2626;
    padding: 2px 8px;
    border-radius: 4px;
    line-height: 1.3;
    letter-spacing: 0.5px;
    box-shadow: 0 1px 4px rgba(220,38,38,0.4);
    animation: pulse-new 1.5s ease-in-out infinite;
}

@keyframes pulse-new {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0.85; }
}

/* ─── Category Nav ─── */
.category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 24px;
}

.cat-nav-item {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: all 0.15s;
}

.cat-nav-item:hover,
.cat-nav-item.active {
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* ─── Empty State ─── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-secondary);
}

.empty-state p {
    margin-bottom: 8px;
}

.empty-state p:first-child {
    font-size: 1.2rem;
}

/* ─── History ─── */
.history-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.history-section h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--color-text-secondary);
}

.date-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.date-link {
    font-size: 0.85rem;
    padding: 4px 12px;
    border-radius: 6px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.date-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ─── Submit Form ─── */
.submit-form-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.submit-form {
    background: var(--color-surface);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    outline: none;
    transition: border-color 0.15s;
    background: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    background: var(--color-surface);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.submit-guidelines {
    background: var(--color-surface);
    padding: 20px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.submit-guidelines h3 {
    font-size: 1rem;
    margin-bottom: 12px;
}

.submit-guidelines ul {
    list-style: none;
    padding: 0;
}

.submit-guidelines li {
    padding: 4px 0;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.submit-message {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-top: 16px;
    font-size: 0.9rem;
}

.submit-message.success {
    background: #ecfdf5;
    color: var(--color-success);
    border: 1px solid #a7f3d0;
}

.submit-message.error {
    background: #fef2f2;
    color: var(--color-error);
    border: 1px solid #fecaca;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: #d05404;
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-border);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-block {
    width: 100%;
}

/* ─── Search Page ─── */
.search-page-form {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.search-input-lg {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font);
    outline: none;
}

.search-input-lg:focus {
    border-color: var(--color-accent);
}

.result-count {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

/* ─── Footer ─── */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
    margin-top: auto;
    text-align: center;
}

.site-footer p {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.footer-links a {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.footer-links a:hover {
    color: var(--color-accent);
}

/* ─── Back Link ─── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 32px 0 24px;
    flex-wrap: wrap;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 14px;
    font-size: 0.9rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    transition: all 0.15s;
    text-decoration: none;
}

.page-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.page-link.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(232,93,4,0.25);
}

.page-dots {
    padding: 0 6px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.back-link {
    margin-top: 24px;
    text-align: center;
}

.back-link a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.back-link a:hover {
    color: var(--color-accent);
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }

    .site-header .container {
        flex-wrap: wrap;
    }

    .nav {
        flex: 0 0 100%;
        order: 3;
        justify-content: center;
        margin-top: 8px;
    }

    .search-form {
        flex: 0 0 100%;
        order: 2;
        max-width: none;
        margin-top: 8px;
    }

    .search-input {
        max-width: 100%;
    }

    .link-card {
        padding: 16px;
        gap: 12px;
    }

    .card-title {
        font-size: 1rem;
    }

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

    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }

    .page-header h1 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }

    .nav {
        gap: 2px;
    }

    .nav-link {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}