:root {
  --bg: #f6f4ef;
  --bg-soft: #fffdf8;
  --text: #1d261c;
  --muted: #687066;
  --line: #e4dfd2;
  --green: #2f6b35;
  --green-2: #4f8b4f;
  --black: #11150f;
  --card: rgba(255,255,255,.78);
  --shadow: 0 18px 60px rgba(31, 49, 30, .12);
  --radius: 24px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
button, input { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 28px; position: relative; overflow: hidden; background: radial-gradient(circle at 10% 20%, #e1f0d8, transparent 34%), radial-gradient(circle at 80% 10%, #fff2cc, transparent 28%), var(--bg); }
.login-bg-card { position: absolute; border-radius: 999px; filter: blur(10px); opacity: .45; }
.glow-a { width: 330px; height: 330px; left: -80px; bottom: -90px; background: #85b36b; }
.glow-b { width: 260px; height: 260px; right: -60px; top: 80px; background: #e6c46a; }
.login-card { width: min(680px, 100%); background: rgba(255,255,255,.76); border: 1px solid rgba(255,255,255,.8); backdrop-filter: blur(18px); border-radius: 32px; padding: 44px; box-shadow: var(--shadow); position: relative; }
.brand-row { display: inline-flex; align-items: center; gap: 10px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--green); background: #fff; font-weight: 700; }
.brand-dot { width: 10px; height: 10px; border-radius: 999px; background: var(--green); }
.login-card h1 { margin: 28px 0 12px; font-size: clamp(34px, 6vw, 58px); line-height: 1.05; letter-spacing: -1.5px; }
.login-subtitle { color: var(--muted); line-height: 1.8; font-size: 16px; }
.login-form { margin-top: 28px; display: grid; gap: 16px; }
.login-form label span { display: block; margin-bottom: 8px; color: var(--muted); font-weight: 700; }
.login-form input { width: 100%; border: 1px solid var(--line); background: #fff; border-radius: 16px; padding: 15px 16px; outline: none; }
.login-form input:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(47,107,53,.12); }
.login-form button, .hero-actions button, .control-box button { border: 0; background: var(--black); color: #fff; border-radius: 16px; padding: 15px 18px; font-weight: 800; }
.login-form button:hover, .hero-actions button:hover, .control-box button:hover { transform: translateY(-1px); }
.login-error { min-height: 20px; color: #b33a2f; margin: 0; font-weight: 700; }
.demo-credential { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); }
.demo-credential span { padding: 8px 12px; background: #f3efe5; border-radius: 999px; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 280px 1fr; }
.sidebar { position: sticky; top: 0; height: 100vh; background: #11150f; color: #fff; padding: 24px; display: flex; flex-direction: column; gap: 24px; }
.logo-block { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.12); }
.logo-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; background: linear-gradient(135deg, #4f8b4f, #a6c36f); color: #fff; font-weight: 900; }
.logo-block strong { display: block; }
.logo-block small { color: rgba(255,255,255,.56); }
.nav-list { display: grid; gap: 8px; }
.nav-list button, .logout-btn { text-align: left; color: rgba(255,255,255,.72); border: 0; background: transparent; padding: 13px 14px; border-radius: 14px; font-weight: 700; }
.nav-list button.active, .nav-list button:hover { color: #fff; background: rgba(255,255,255,.1); }
.logout-btn { margin-top: auto; border: 1px solid rgba(255,255,255,.14); text-align: center; }
.content { padding: 28px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; gap: 18px; align-items: center; margin-bottom: 24px; }
.eyebrow { margin: 0 0 6px; color: var(--green); font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; font-weight: 900; }
.topbar h2 { margin: 0; font-size: 28px; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--green); font-weight: 800; }
.status-pill i { width: 10px; height: 10px; background: #23b26d; border-radius: 50%; box-shadow: 0 0 0 6px rgba(35,178,109,.12); }
.clock { color: var(--muted); font-weight: 700; }
.page { display: none; animation: fade .26s ease; }
.page.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 22px; }
.hero-card, .panel, .image-card, .stats-grid article { background: var(--card); border: 1px solid rgba(255,255,255,.9); box-shadow: var(--shadow); border-radius: var(--radius); }
.hero-card { padding: 34px; min-height: 380px; display: flex; flex-direction: column; justify-content: center; }
.badge { display: inline-flex; width: fit-content; padding: 8px 12px; border-radius: 999px; background: #e7f0df; color: var(--green); font-weight: 900; }
.hero-card h1 { margin: 18px 0 14px; font-size: clamp(34px, 5vw, 56px); line-height: 1.08; letter-spacing: -1.4px; }
.hero-card p, .section-head p, .panel p { color: var(--muted); line-height: 1.8; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.hero-actions .ghost, .control-box .ghost { background: #fff; color: var(--black); border: 1px solid var(--line); }
.image-card { overflow: hidden; padding: 10px; background: #fff; }
.image-card img { width: 100%; height: 100%; object-fit: contain; display: block; border-radius: calc(var(--radius) - 8px); background: #fff; }
.image-card.tall img { object-fit: contain; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 22px 0; }
.stats-grid article { padding: 22px; }
.stats-grid strong { display: block; font-size: 38px; color: var(--green); }
.stats-grid span { color: var(--muted); line-height: 1.6; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.panel { padding: 24px; }
.panel h3 { margin: 0 0 14px; font-size: 22px; }
.check-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; color: var(--muted); line-height: 1.6; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li:before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 900; }
.accent-panel { background: linear-gradient(135deg, #244a28, #68925d); color: #fff; }
.accent-panel h3, .accent-panel p { color: #fff; }
.loop-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.loop-list span { background: rgba(255,255,255,.14); padding: 16px; border-radius: 16px; font-weight: 800; }
.section-head { margin-bottom: 20px; }
.section-head h1 { margin: 0 0 10px; font-size: clamp(32px, 4vw, 48px); letter-spacing: -1px; }
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.gallery-grid.three { grid-template-columns: repeat(3, 1fr); }
.image-card.wide { margin: 18px 0; }
.cards-3, .evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.evidence-grid { grid-template-columns: repeat(4, 1fr); }
.tomato-card { text-align: center; }
.tomato { width: 70px; height: 70px; margin: 4px auto 16px; border-radius: 58% 42% 52% 48%; box-shadow: inset -12px -16px 24px rgba(0,0,0,.15); }
.tomato.red { background: #d8342a; }
.tomato.orange { background: #e88933; }
.tomato.green { background: #5d9a42; }
.meter { height: 10px; border-radius: 999px; background: #e9e5da; overflow: hidden; margin: 14px 0 8px; }
.meter span { display: block; height: 100%; background: var(--green); border-radius: inherit; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.timeline div { padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.timeline p { color: var(--muted); line-height: 1.7; }
.agent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.large-panel { min-height: 430px; }
.reasoning-list { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.9; }
.agent-card { padding: 16px; border: 1px solid var(--line); border-radius: 18px; margin-bottom: 12px; background: #fff; }
.agent-card strong { display: block; margin-bottom: 6px; color: var(--green); }
.agent-card span { color: var(--muted); line-height: 1.6; }
.tool-panel { background: #fff; }
.monitor-grid { display: grid; grid-template-columns: 1fr .8fr 1.2fr; gap: 18px; align-items: start; }
.telemetry-item { display: flex; justify-content: space-between; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.telemetry-item:last-child { border-bottom: 0; }
.telemetry-item span { color: var(--muted); }
.telemetry-item strong { color: var(--green); }
.control-box { display: grid; gap: 12px; }
.log-list { height: 320px; overflow: auto; background: #10140f; color: #d7f2d6; border-radius: 18px; padding: 14px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.log-line { padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.log-line:last-child { border-bottom: 0; }
.evidence-grid .panel small { color: var(--muted); line-height: 1.7; display: block; }
@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .nav-list { grid-template-columns: repeat(3, 1fr); }
  .hero-grid, .two-col, .agent-grid, .monitor-grid { grid-template-columns: 1fr; }
  .stats-grid, .timeline, .evidence-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid.three { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .login-card { padding: 28px; }
  .content { padding: 18px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .nav-list, .stats-grid, .cards-3, .gallery-grid, .gallery-grid.three, .timeline, .evidence-grid { grid-template-columns: 1fr; }
  .sidebar { padding: 18px; }
}