/* MWPR - 微波光子雷达平台 — 浅色主题 */
/* Design System v2.0 imported below */
@import url('/static/css/design-system.css');

:root {
    --primary: #1a365d;
    --primary-light: #2c5282;
    --accent: #3182ce;
    --accent2: #805ad5;
    --bg: #f7fafc;
    --bg-alt: #edf2f7;
    --bg-card: #ffffff;
    --text: #1a202c;
    --text-dim: #718096;
    --border: #e2e8f0;
    --success: #38a169;
    --warning: #d69e2e;
    --danger: #e53e3e;
    --info: #3182ce;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.08);
    --shadow-hover: 0 4px 12px rgba(0,0,0,.12);
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans SC',sans-serif; background:var(--bg); color:var(--text); line-height:1.6; }
a { color:var(--accent); text-decoration:none; }
a:hover { text-decoration:underline; }
.container { max-width:1200px; margin:0 auto; padding:0 20px; }

/* Navbar */
.navbar { display:flex; align-items:center; justify-content:space-between; padding:12px 24px; background:#fff; border-bottom:1px solid var(--border); position:sticky; top:0; z-index:100; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.nav-brand a { font-size:1.5rem; font-weight:800; color:var(--accent); letter-spacing:2px; }
.nav-subtitle { font-size:.75rem; color:var(--text-dim); margin-left:8px; }
.nav-links { display:flex; gap:16px; align-items:center; flex-wrap:wrap; }
.nav-links a { color:var(--text-dim); font-size:.9rem; padding:4px 8px; border-radius:4px; transition:.2s; }
.nav-links a:hover, .nav-links a.active { color:var(--accent); background:rgba(49,130,206,.06); text-decoration:none; }
.btn-nav { background:var(--accent)!important; color:#fff!important; font-weight:600; padding:6px 16px!important; border-radius:4px; }
.btn-nav:hover { opacity:.9; }

/* Nav dropdown */
.nav-dropdown { position:relative; }
.dropdown-toggle { color:var(--text-dim); font-size:.9rem; padding:4px 8px; border-radius:4px; cursor:pointer; transition:.2s; user-select:none; }
.dropdown-toggle:hover { color:var(--accent); background:rgba(49,130,206,.06); }
.dropdown-menu { display:none; position:absolute; top:100%; right:0; min-width:150px; background:#fff; border:1px solid var(--border); border-radius:6px; box-shadow:0 4px 12px rgba(0,0,0,.08); padding:4px 0; z-index:200; }
.dropdown-menu a { display:block; padding:6px 16px; color:var(--text-dim); font-size:.85rem; white-space:nowrap; }
.dropdown-menu a:hover { color:var(--accent); background:rgba(49,130,206,.04); }
.nav-dropdown:hover .dropdown-menu { display:block; }

/* Hero */
.hero { padding:70px 20px 60px; text-align:center; background:linear-gradient(135deg,#0a0e27 0%,#1a1a2e 30%,#16213e 60%,#0a0e27 100%); position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; inset:0; background:radial-gradient(ellipse at 20% 50%,rgba(45,108,192,.15) 0%,transparent 65%),radial-gradient(ellipse at 80% 50%,rgba(128,90,213,.1) 0%,transparent 65%); pointer-events:none; }
.hero-content { position:relative; }
.hero h1 { font-size:2.5rem; font-weight:800; margin-bottom:12px; color:#e2e8f0; text-shadow:0 0 60px rgba(49,130,206,.3); }
.hero-desc { font-size:1.1rem; color:#718096; margin-bottom:40px; }
.hero-stats { display:flex; justify-content:center; gap:24px; flex-wrap:wrap; position:relative; }
.stat-card { background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.08); border-radius:var(--radius); padding:24px 32px; text-align:center; min-width:120px; backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); transition:.3s; }
.stat-card:hover { background:rgba(255,255,255,.08); border-color:rgba(49,130,206,.25); transform:translateY(-2px); }
.stat-num { font-size:2rem; font-weight:800; color:#63b3ed; }
.stat-label { font-size:.85rem; color:#4a5568; margin-top:4px; }

/* Section */
.section { padding:48px 0; }
.section-alt { background:var(--bg-alt); }
.section-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:24px; }
.section-header h2 { font-size:1.5rem; color:var(--primary); }
.more-link { color:var(--accent); font-size:.9rem; }

/* Intel Cards */
.intel-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:16px; }
.intel-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; transition:.2s; border-left:3px solid var(--info); box-shadow:var(--shadow); }
.intel-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-2px); }
.intel-card.severity-important { border-left-color:var(--danger); }
.intel-card.severity-warning { border-left-color:var(--warning); }
.intel-tag { font-size:.75rem; color:var(--accent2); font-weight:600; text-transform:uppercase; }
.intel-card h3 { font-size:1rem; margin:8px 0; color:var(--text); }
.intel-card h3 a { color:var(--text); }
.intel-card h3 a:hover { color:var(--accent); }
.intel-card p { font-size:.85rem; color:var(--text-dim); }
.intel-meta { display:flex; justify-content:space-between; font-size:.75rem; color:var(--text-dim); margin-top:8px; }
.severity-badge { font-size:.7rem; padding:2px 8px; border-radius:10px; font-weight:600; }
.severity-important { background:rgba(229,62,62,.08); color:var(--danger); }
.severity-warning { background:rgba(214,158,46,.08); color:var(--warning); }
.severity-info { background:rgba(49,130,206,.08); color:var(--info); }

/* Knowledge Cards */
.knowledge-grid, .knowledge-full-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; }
.knowledge-card { display:block; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; transition:.2s; box-shadow:var(--shadow); }
.knowledge-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-2px); text-decoration:none; }
.k-category { font-size:.75rem; color:var(--accent2); font-weight:600; margin-bottom:8px; }
.knowledge-card h3 { font-size:1rem; color:var(--text); margin-bottom:8px; }
.knowledge-card p { font-size:.85rem; color:var(--text-dim); }
.k-tags { margin-top:8px; display:flex; flex-wrap:wrap; gap:4px; }
.k-tag { font-size:.7rem; background:rgba(128,90,213,.06); color:var(--accent2); padding:2px 8px; border-radius:10px; }

/* TRL Bar */
.trl-bar { display:flex; align-items:center; gap:8px; margin-top:12px; }
.trl-bar.large { margin:16px 0; }
.trl-label { font-size:.7rem; color:var(--text-dim); min-width:28px; }
.trl-track { flex:1; height:6px; background:#e2e8f0; border-radius:3px; position:relative; overflow:hidden; }
.trl-fill { height:100%; background:linear-gradient(90deg,var(--accent),var(--accent2)); border-radius:3px; transition:.5s; }
.trl-marker { position:absolute; top:-2px; width:2px; height:10px; background:var(--warning); }
.trl-value { font-size:.7rem; color:var(--accent); font-weight:600; white-space:nowrap; }

/* Alert */
.alert-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; }
.alert-card { background:var(--bg-card); border:1px solid rgba(229,62,62,.3); border-radius:var(--radius); padding:16px; display:flex; flex-wrap:wrap; align-items:center; gap:8px; box-shadow:var(--shadow); }
.alert-material { font-weight:700; color:var(--danger); }
.alert-detail { display:flex; gap:12px; font-size:.8rem; color:var(--text-dim); flex:1; }
.risk-badge { font-size:.7rem; padding:2px 8px; border-radius:10px; font-weight:600; }
.risk-high { background:rgba(229,62,62,.08); color:var(--danger); }
.risk-medium { background:rgba(214,158,46,.08); color:var(--warning); }
.risk-low { background:rgba(56,161,105,.08); color:var(--success); }

/* Roadmap */
.roadmap-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:16px; }
.roadmap-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); }
.roadmap-card h3 { font-size:1rem; margin-bottom:4px; }
.roadmap-category { font-size:.75rem; color:var(--accent2); margin-bottom:8px; }
.milestone { font-size:.85rem; color:var(--accent); margin-top:8px; }
.evidence { font-size:.8rem; color:var(--text-dim); margin-top:4px; }
.roadmap-timeline { position:relative; padding-left:32px; }
.roadmap-timeline::before { content:''; position:absolute; left:8px; top:0; bottom:0; width:2px; background:var(--border); }
.roadmap-item { position:relative; margin-bottom:32px; }
.roadmap-dot { position:absolute; left:-28px; top:4px; width:12px; height:12px; border-radius:50%; background:var(--accent); border:2px solid #fff; }
.roadmap-content { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); }
.roadmap-content h3 { font-size:1.1rem; margin-bottom:4px; }
.timeline-label { font-size:.8rem; color:var(--accent2); margin-top:8px; font-weight:600; }

/* Scenario */
.scenario-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:16px; }
.scenario-card { display:block; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; transition:.2s; box-shadow:var(--shadow); }
.scenario-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-2px); text-decoration:none; }
.scenario-card h3 { color:var(--text); font-size:1.05rem; margin:8px 0; }
.scenario-type { font-size:.75rem; color:var(--accent2); font-weight:600; }
.scenario-card p { font-size:.85rem; color:var(--text-dim); }
.scenario-author { font-size:.75rem; color:var(--text-dim); }

/* Supply Table */
.supply-table-wrap { overflow-x:auto; }
.supply-table { width:100%; border-collapse:collapse; font-size:.9rem; background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.supply-table th { background:var(--primary); color:#fff; padding:12px; text-align:left; font-weight:600; }
.supply-table td { padding:10px 12px; border-bottom:1px solid var(--border); }
.supply-table tr.risk-high { background:rgba(229,62,62,.03); }
.supply-table tr:hover { background:rgba(49,130,206,.03); }

/* Intel list (full page) */
.intel-list { display:flex; flex-direction:column; gap:16px; }
.intel-full-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; border-left:4px solid var(--info); box-shadow:var(--shadow); }
.intel-full-card.severity-important { border-left-color:var(--danger); }
.intel-full-card.severity-warning { border-left-color:var(--warning); }
.intel-full-card h3 { font-size:1.1rem; margin:8px 0; color:var(--text); }
.intel-full-card p { color:var(--text-dim); font-size:.9rem; }
.intel-header { display:flex; gap:8px; align-items:center; }

/* Detail */
.detail-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:32px; margin-top:16px; box-shadow:var(--shadow); }
.detail-header h1 { font-size:1.8rem; margin:8px 0; }
.detail-section { margin-top:24px; }
.detail-section h2 { font-size:1.2rem; color:var(--accent); margin-bottom:8px; border-bottom:1px solid var(--border); padding-bottom:8px; }
.detail-section p { color:var(--text-dim); line-height:1.8; }
.params-block { background:var(--bg-alt); border:1px solid var(--border); border-radius:4px; padding:16px; font-size:.85rem; white-space:pre-wrap; color:var(--text-dim); }
.back-link { color:var(--accent); font-size:.9rem; }
.update-time { font-size:.8rem; color:var(--text-dim); }

/* Auth */
.auth-container { display:flex; justify-content:center; }
.auth-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:32px; width:100%; max-width:420px; box-shadow:var(--shadow); }
.auth-card h1 { text-align:center; margin-bottom:24px; }
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:.85rem; color:var(--text-dim); margin-bottom:4px; }
.form-group input { width:100%; padding:10px 12px; background:#fff; border:1px solid var(--border); border-radius:4px; color:var(--text); font-size:.95rem; }
.form-group input:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(49,130,206,.1); }
.btn-primary { width:100%; padding:12px; background:linear-gradient(90deg,var(--accent),var(--accent2)); color:#fff; border:none; border-radius:4px; font-size:1rem; font-weight:600; cursor:pointer; }
.btn-primary:hover { opacity:.9; }
.auth-switch { text-align:center; margin-top:16px; font-size:.85rem; color:var(--text-dim); }
.error-msg { background:rgba(229,62,62,.06); color:var(--danger); padding:8px 12px; border-radius:4px; margin-bottom:16px; font-size:.85rem; }

/* Community */
.community-list { display:flex; flex-direction:column; gap:16px; }
.post-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); }
.post-type { font-size:.7rem; color:var(--accent2); font-weight:600; }
.post-card h3 { font-size:1.05rem; margin:8px 0; }
.post-card p { font-size:.85rem; color:var(--text-dim); }
.post-meta { display:flex; justify-content:space-between; font-size:.75rem; color:var(--text-dim); margin-top:8px; }
.empty-state { text-align:center; padding:48px; color:var(--text-dim); }

/* Admin */
.admin-stats { display:flex; gap:16px; flex-wrap:wrap; margin:24px 0; }
.admin-section { margin-top:32px; }
.admin-actions { display:flex; gap:12px; flex-wrap:wrap; }
.admin-btn { display:inline-block; background:var(--bg-card); border:1px solid var(--border); color:var(--text); padding:12px 24px; border-radius:var(--radius); font-weight:600; transition:.2s; box-shadow:var(--shadow); }
.admin-btn:hover { border-color:var(--accent); color:var(--accent); text-decoration:none; }

/* Filter */
.filter-bar { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:24px; }
.filter-btn { background:#fff; border:1px solid var(--border); color:var(--text-dim); padding:6px 16px; border-radius:20px; cursor:pointer; font-size:.85rem; }
.filter-btn:hover, .filter-btn.active { background:var(--accent); color:#fff; border-color:var(--accent); }

/* Footer */
.footer { background:var(--primary); padding:32px 0; margin-top:48px; }
.footer-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:24px; margin-bottom:24px; }
.footer h3 { color:#fff; margin-bottom:8px; }
.footer h4 { color:#e2e8f0; margin-bottom:8px; font-size:.9rem; }
.footer p { font-size:.8rem; color:#a0aec0; }
.footer a { display:block; font-size:.8rem; color:#a0aec0; margin-bottom:4px; }
.footer a:hover { color:#fff; }
.copyright { text-align:center; font-size:.75rem; color:#718096; margin-top:16px; border-top:1px solid rgba(255,255,255,.1); padding-top:16px; }

@media(max-width:768px) {
    .hero h1 { font-size:1.8rem; }
    .hero-stats { gap:12px; }
    .stat-card { padding:16px; min-width:80px; }
    .stat-num { font-size:1.5rem; }
    .navbar { flex-direction:column; gap:8px; }
    .nav-links { justify-content:center; }
    .knowledge-grid, .knowledge-full-grid, .intel-grid, .roadmap-grid, .scenario-grid, .alert-grid { grid-template-columns:1fr; }
}

/* Trust Pages */
.trust-card { background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); border-radius:12px; padding:24px; margin-bottom:20px; }
.trust-card h2 { font-size:1.4rem; margin-bottom:12px; color:#fff; }
.trust-card h3 { font-size:1.1rem; margin-bottom:10px; color:#e2e8f0; }
.trust-card p { color:#cbd5e0; line-height:1.8; margin-bottom:8px; }
.trust-card ul { padding-left:20px; color:#cbd5e0; }
.trust-card li { margin-bottom:6px; line-height:1.7; }
.trust-update { color:#718096; font-size:.85rem; margin-bottom:20px; }
.footer-trust { text-align:center; margin-top:12px; padding:8px 0; font-size:.8rem; color:#718096; }
.footer-trust a { color:#a0aec0; }
.footer-trust a:hover { color:#fff; }