* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 14px; color: #333; background: #f5f7fa; line-height: 1.6; }
a { color: #2563eb; text-decoration: none; transition: color 0.2s; }
a:hover { color: #1d4ed8; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 14px; outline: none; }
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --success: #16a34a;
    --warning: #f59e0b;
    --danger: #dc2626;
    --info: #0891b2;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius: 8px;
    --radius-lg: 12px;
}
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 18px; font-size: 14px; border-radius: var(--radius); transition: all 0.2s; border: 1px solid transparent; white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { background: var(--gray-100); color: var(--gray-700); }
.btn-ghost:hover { background: var(--gray-200); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.site-header { background: #fff; box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; }
.header-container { max-width: 1280px; margin: 0 auto; padding: 0 20px; height: 64px; display: flex; align-items: center; gap: 32px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--primary); font-weight: 700; font-size: 18px; }
.logo:hover { color: var(--primary-dark); }
.logo-icon { width: 36px; height: 36px; background: var(--primary); color: #fff; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; }
.logo img { height: 36px; }
.main-nav { flex: 1; }
.main-nav ul { display: flex; gap: 4px; }
.main-nav a { display: block; padding: 8px 16px; color: var(--gray-700); border-radius: var(--radius); font-weight: 500; transition: all 0.2s; }
.main-nav a:hover { background: var(--primary-light); color: var(--primary); }
.main-nav a.active { background: var(--primary); color: #fff; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.user-info { display: flex; align-items: center; gap: 8px; color: var(--gray-700); padding: 4px 10px; border-radius: var(--radius); }
.user-info:hover { background: var(--gray-100); }
.user-avatar, .user-avatar-placeholder { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
.user-avatar-placeholder { background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; }
.mobile-menu-toggle { display: none; flex-direction: column; gap: 4px; padding: 8px; }
.mobile-menu-toggle span { width: 22px; height: 2px; background: var(--gray-700); transition: 0.3s; }
.mobile-nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 99; }

.main-content { min-height: calc(100vh - 64px - 280px); padding: 24px 0; }

.page-header-bar { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 24px; flex-wrap: wrap; }
.page-header-bar .intro h2 { font-size: 24px; color: var(--gray-900); margin-bottom: 6px; }
.page-header-bar .intro p { color: var(--gray-500); font-size: 14px; }
.search-box { display: flex; gap: 8px; min-width: 320px; }
.search-box input { flex: 1; padding: 8px 14px; border: 1px solid var(--gray-300); border-radius: var(--radius); }
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.search-box button { padding: 8px 20px; background: var(--primary); color: #fff; border-radius: var(--radius); }
.search-box button:hover { background: var(--primary-dark); }

.page-section { background: #fff; border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px; box-shadow: var(--shadow-sm); }
.section-title { font-size: 20px; color: var(--gray-900); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--primary-light); position: relative; }
.section-title::before { content: ''; position: absolute; left: 0; bottom: -2px; width: 60px; height: 2px; background: var(--primary); }

.carousel { position: relative; border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 24px; box-shadow: var(--shadow-md); }
.carousel-track { display: flex; transition: transform 0.5s ease; }
.carousel-slide { min-width: 100%; position: relative; height: 400px; }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.slide-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px; background: linear-gradient(transparent, rgba(0,0,0,0.7)); color: #fff; }
.slide-caption h3 { font-size: 24px; font-weight: 600; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; background: rgba(255,255,255,0.8); color: var(--gray-800); border-radius: 50%; font-size: 20px; display: flex; align-items: center; justify-content: center; transition: 0.2s; }
.carousel-btn:hover { background: #fff; }
.carousel-btn.prev { left: 16px; }
.carousel-btn.next { right: 16px; }
.carousel-indicators { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.carousel-indicator { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; transition: 0.2s; }
.carousel-indicator.active { background: #fff; width: 28px; border-radius: 5px; }

.intro-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.intro-card { padding: 20px; background: var(--gray-50); border-radius: var(--radius); border-left: 4px solid var(--primary); }
.intro-card h3 { color: var(--primary); margin-bottom: 10px; font-size: 16px; }
.intro-card p { color: var(--gray-600); font-size: 14px; line-height: 1.8; }

.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; transition: 0.2s; }
.faq-item.active { border-color: var(--primary); }
.faq-question { padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 500; color: var(--gray-800); background: var(--gray-50); }
.faq-icon { font-size: 20px; color: var(--primary); transition: transform 0.2s; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding: 16px 20px; color: var(--gray-600); line-height: 1.8; }

.clubs-layout, .activities-layout, .resources-layout { display: grid; grid-template-columns: 220px 1fr; gap: 24px; }
.category-sidebar { background: #fff; border-radius: var(--radius-lg); padding: 20px; height: fit-content; position: sticky; top: 88px; box-shadow: var(--shadow-sm); }
.category-sidebar h3 { font-size: 16px; color: var(--gray-900); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--gray-200); }
.category-list { display: flex; flex-direction: column; gap: 4px; }
.category-item { padding: 10px 14px; border-radius: var(--radius); cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--gray-700); transition: 0.2s; }
.category-item:hover { background: var(--primary-light); color: var(--primary); }
.category-item.active { background: var(--primary); color: #fff; }
.category-item .count { font-size: 12px; background: rgba(0,0,0,0.1); padding: 2px 8px; border-radius: 10px; }
.category-item.active .count { background: rgba(255,255,255,0.3); }

.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: 0.2s; cursor: pointer; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-img { width: 100%; height: 160px; object-fit: cover; background: var(--gray-100); }
.card-body { padding: 14px; }
.card-title { font-size: 15px; font-weight: 600; color: var(--gray-900); margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta { font-size: 12px; color: var(--gray-500); display: flex; flex-wrap: wrap; gap: 8px; }
.card-meta span { display: inline-flex; align-items: center; gap: 4px; }

.pagination { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 24px; flex-wrap: wrap; }
.page-btn { padding: 6px 12px; border: 1px solid var(--gray-300); border-radius: var(--radius); color: var(--gray-700); background: #fff; transition: 0.2s; }
.page-btn:hover:not(.disabled):not(.active) { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn.disabled { opacity: 0.5; cursor: not-allowed; }
.page-ellipsis { padding: 6px 4px; color: var(--gray-400); }
.page-jump { display: inline-flex; align-items: center; gap: 6px; margin-left: 12px; color: var(--gray-600); font-size: 13px; }
.page-jump-input { width: 50px; padding: 4px 8px; border: 1px solid var(--gray-300); border-radius: var(--radius); text-align: center; }
.page-jump-btn { padding: 4px 12px; background: var(--primary); color: #fff; border-radius: var(--radius); }
.page-info { margin-left: 12px; color: var(--gray-500); font-size: 13px; }

.forum-list { display: flex; flex-direction: column; gap: 12px; }
.forum-item { background: #fff; border-radius: var(--radius-lg); padding: 18px 24px; display: flex; justify-content: space-between; align-items: center; gap: 20px; cursor: pointer; transition: 0.2s; box-shadow: var(--shadow-sm); }
.forum-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-left: 3px solid var(--primary); }
.forum-item-main { flex: 1; min-width: 0; }
.forum-item-title { font-size: 16px; font-weight: 600; color: var(--gray-900); margin-bottom: 6px; }
.forum-item-meta { font-size: 13px; color: var(--gray-500); display: flex; gap: 16px; flex-wrap: wrap; }
.forum-item-meta .author { color: var(--primary); }
.forum-item-time { color: var(--gray-400); font-size: 13px; white-space: nowrap; }
.filter-tabs { display: flex; gap: 8px; }
.filter-tab { padding: 6px 16px; border: 1px solid var(--gray-300); border-radius: 20px; cursor: pointer; color: var(--gray-600); transition: 0.2s; font-size: 13px; }
.filter-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.resources-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.resource-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); cursor: pointer; transition: 0.2s; position: relative; }
.resource-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.resource-card img { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--gray-100); }
.resource-card .info { padding: 8px 10px; }
.resource-card .title { font-size: 13px; color: var(--gray-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.resource-card .meta { font-size: 11px; color: var(--gray-500); margin-top: 2px; }
.resource-card .actions { position: absolute; top: 8px; right: 8px; opacity: 0; transition: 0.2s; }
.resource-card:hover .actions { opacity: 1; }
.resource-card .actions button { padding: 4px 10px; background: rgba(0,0,0,0.6); color: #fff; border-radius: 4px; font-size: 12px; }

.profile-layout, .admin-layout { display: grid; grid-template-columns: 240px 1fr; gap: 24px; }
.profile-sidebar, .admin-sidebar { background: #fff; border-radius: var(--radius-lg); padding: 20px; height: fit-content; position: sticky; top: 88px; box-shadow: var(--shadow-sm); }
.profile-user-card { text-align: center; padding-bottom: 20px; border-bottom: 1px solid var(--gray-200); margin-bottom: 16px; }
.profile-avatar { width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 12px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 700; object-fit: cover; }
.profile-name { font-size: 18px; font-weight: 600; color: var(--gray-900); }
.profile-sub { font-size: 13px; color: var(--gray-500); margin-top: 4px; }
.profile-menu, .admin-menu { display: flex; flex-direction: column; gap: 2px; }
.profile-menu-item, .admin-menu-item { padding: 10px 14px; border-radius: var(--radius); cursor: pointer; color: var(--gray-700); transition: 0.2s; display: flex; align-items: center; gap: 8px; font-size: 14px; }
.profile-menu-item:hover, .admin-menu-item:hover { background: var(--primary-light); color: var(--primary); }
.profile-menu-item.active, .admin-menu-item.active { background: var(--primary); color: #fff; }
.profile-menu-group { margin-top: 12px; }
.profile-menu-group-title { font-size: 12px; color: var(--gray-400); padding: 8px 14px 4px; text-transform: uppercase; letter-spacing: 1px; }

.profile-content, .admin-content { min-width: 0; }
.profile-panel, .admin-panel { background: #fff; border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px; box-shadow: var(--shadow-sm); display: none; }
.profile-panel.active, .admin-panel.active { display: block; }
.profile-info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 20px; }
.info-item { padding: 14px; background: var(--gray-50); border-radius: var(--radius); }
.info-item .label { font-size: 12px; color: var(--gray-500); margin-bottom: 4px; }
.info-item .value { font-size: 15px; color: var(--gray-900); font-weight: 500; }

.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--gray-700); font-size: 14px; }
.form-control { width: 100%; padding: 10px 14px; border: 1px solid var(--gray-300); border-radius: var(--radius); transition: 0.2s; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { display: flex; gap: 12px; margin-top: 20px; }
.required { color: var(--danger); }
.radio-group { display: flex; gap: 20px; }
.radio-group label { display: flex; align-items: center; gap: 6px; cursor: pointer; color: var(--gray-700); }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--gray-200); font-size: 14px; }
.data-table th { background: var(--gray-50); color: var(--gray-700); font-weight: 600; white-space: nowrap; }
.data-table tr:hover { background: var(--gray-50); }
.data-table img.thumb { width: 50px; height: 50px; object-fit: cover; border-radius: 4px; }
.tag { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 12px; }
.tag-success { background: #dcfce7; color: var(--success); }
.tag-warning { background: #fef3c7; color: var(--warning); }
.tag-danger { background: #fee2e2; color: var(--danger); }
.tag-info { background: #dbeafe; color: var(--primary); }
.tag-gray { background: var(--gray-100); color: var(--gray-600); }

.auth-page { display: flex; justify-content: center; align-items: center; min-height: calc(100vh - 64px); padding: 40px 20px; }
.auth-card { background: #fff; border-radius: var(--radius-lg); padding: 36px; max-width: 460px; width: 100%; box-shadow: var(--shadow-md); }
.auth-card h2 { text-align: center; color: var(--gray-900); margin-bottom: 8px; font-size: 24px; }
.auth-card .subtitle { text-align: center; color: var(--gray-500); margin-bottom: 28px; }
.auth-links { display: flex; justify-content: space-between; margin-top: 16px; font-size: 13px; }
.auth-tip { margin-top: 20px; padding: 12px; background: var(--gray-50); border-radius: var(--radius); font-size: 12px; color: var(--gray-600); }
.auth-tip p { margin: 2px 0; }

.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; }
.alert-error { background: #fee2e2; color: var(--danger); }
.alert-success { background: #dcfce7; color: var(--success); }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: none; align-items: center; justify-content: center; z-index: 1000; padding: 20px; }
.modal-overlay.show { display: flex; }
.modal-box { background: #fff; border-radius: var(--radius-lg); max-width: 600px; width: 100%; max-height: 85vh; display: flex; flex-direction: column; box-shadow: var(--shadow-lg); }
.modal-header { padding: 16px 24px; border-bottom: 1px solid var(--gray-200); display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-size: 18px; font-weight: 600; color: var(--gray-900); }
.modal-close { font-size: 28px; color: var(--gray-400); line-height: 1; padding: 0 4px; }
.modal-close:hover { color: var(--gray-900); }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 12px; }

.detail-row { display: grid; grid-template-columns: 100px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--gray-100); }
.detail-row .label { color: var(--gray-500); font-size: 14px; }
.detail-row .value { color: var(--gray-900); font-size: 14px; }

.toast-container { position: fixed; top: 80px; right: 20px; z-index: 2000; display: flex; flex-direction: column; gap: 10px; }
.toast { padding: 12px 20px; border-radius: var(--radius); color: #fff; box-shadow: var(--shadow-md); animation: slideIn 0.3s ease; min-width: 200px; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
.toast-info { background: var(--info); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

.image-viewer { position: fixed; inset: 0; background: rgba(0,0,0,0.9); display: none; align-items: center; justify-content: center; z-index: 2000; }
.image-viewer.show { display: flex; }
.image-viewer-img { max-width: 90%; max-height: 90%; object-fit: contain; }
.image-viewer-close, .image-viewer-download { position: absolute; top: 20px; padding: 8px 16px; background: rgba(255,255,255,0.2); color: #fff; border-radius: var(--radius); font-size: 14px; }
.image-viewer-close { right: 20px; font-size: 24px; padding: 4px 12px; }
.image-viewer-download { right: 70px; }

.site-footer { background: var(--gray-900); color: var(--gray-400); padding: 40px 0 20px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 30px; }
.footer-title { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-desc { font-size: 13px; line-height: 1.8; }
.footer-links li, .footer-contact li { padding: 4px 0; font-size: 13px; }
.footer-links a { color: var(--gray-400); }
.footer-links a:hover { color: #fff; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--gray-800); font-size: 13px; }

.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm); }
.stat-card .num { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-card .label { font-size: 13px; color: var(--gray-500); margin-top: 4px; }

.admin-info { text-align: center; padding-bottom: 16px; border-bottom: 1px solid var(--gray-200); margin-bottom: 16px; }
.admin-avatar { width: 60px; height: 60px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 700; margin: 0 auto 10px; }
.admin-name { font-weight: 600; color: var(--gray-900); }
.admin-role { font-size: 12px; color: var(--gray-500); margin-top: 2px; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--gray-400); }
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

@media (max-width: 1024px) {
    .resources-grid { grid-template-columns: repeat(4, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .main-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; box-shadow: var(--shadow-md); padding: 16px; flex-direction: column; z-index: 100; }
    .main-nav.open { display: block; }
    .main-nav ul { flex-direction: column; gap: 4px; }
    .main-nav a { padding: 12px 16px; }
    .mobile-menu-toggle { display: flex; }
    .mobile-nav-overlay.show { display: block; }
    .header-container { gap: 12px; }
    .logo-text { font-size: 16px; }
    .user-name { display: none; }
    .clubs-layout, .activities-layout, .resources-layout, .profile-layout, .admin-layout { grid-template-columns: 1fr; }
    .category-sidebar, .profile-sidebar, .admin-sidebar { position: static; }
    .resources-grid { grid-template-columns: repeat(3, 1fr); }
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .carousel-slide { height: 240px; }
    .carousel-slide .slide-caption h3 { font-size: 18px; }
    .form-row { grid-template-columns: 1fr; }
    .page-header-bar { flex-direction: column; align-items: stretch; }
    .search-box { min-width: 100%; }
    .detail-row { grid-template-columns: 80px 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .page-jump, .page-info { width: 100%; justify-content: center; margin-left: 0; margin-top: 8px; }
}
@media (max-width: 480px) {
    .resources-grid { grid-template-columns: repeat(2, 1fr); }
    .cards-grid { grid-template-columns: 1fr; }
    .header-actions .btn { padding: 6px 10px; font-size: 12px; }
    .page-section { padding: 16px; }
    .modal-box { max-height: 90vh; }
    .stat-cards { grid-template-columns: 1fr; }
}