:root {
  --copper-900: #5b3c1e;
  --copper-700: #8a5a2a;
  --copper-600: #9a6a3a;
  --copper-500: #b07a45;
  --copper-100: #f4e9dc;
  --copper-50: #fbf6ef;
  --slate-900: #0f1420;
  --slate-700: #2a3142;
  --slate-500: #5a6173;
  --slate-300: #c7cad3;
  --slate-100: #eceef2;
  --slate-50: #f7f8fa;
  --white: #ffffff;
  --bg: #f7f5f0;
  --surface: #ffffff;
  --border: #e3ddd1;
  --text: #1a1f2e;
  --muted: #6a7186;
  --danger: #b94343;
  --success: #2f8f5a;
  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(15, 20, 32, 0.04), 0 1px 3px rgba(15, 20, 32, 0.06);
  --shadow-md: 0 2px 4px rgba(15, 20, 32, 0.06), 0 6px 14px rgba(15, 20, 32, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }
a { color: var(--copper-700); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 26px; font-weight: 600; letter-spacing: -0.01em; margin: 4px 0 6px; }
h2 { font-size: 18px; font-weight: 600; margin: 24px 0 12px; }
h3 { font-size: 15px; font-weight: 600; margin: 0 0 6px; }
.eyebrow { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--copper-700); font-weight: 600; }
.muted { color: var(--muted); }
.fine { color: var(--muted); font-size: 13px; margin-top: 16px; }
.small { font-size: 12px; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

/* Header */
.app-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.header-row { display: flex; align-items: center; gap: 28px; padding: 14px 24px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 15px; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--copper-600); font-size: 18px; }
.app-nav { display: flex; gap: 22px; flex: 1; }
.app-nav a { color: var(--slate-700); font-weight: 500; font-size: 14px; }
.app-nav a:hover { color: var(--copper-700); text-decoration: none; }
.user-block { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.user-email { color: var(--muted); }
.app-main { padding: 32px 0 80px; }
.public-main { padding: 0; }
.app-footer { border-top: 1px solid var(--border); padding: 24px 0; color: var(--muted); font-size: 13px; }

/* Buttons */
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: var(--radius); font-size: 14px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: all .15s ease;
}
.btn-primary { background: var(--copper-600); color: white; }
.btn-primary:hover { background: var(--copper-700); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--slate-700); border-color: var(--border); }
.btn-ghost:hover { background: var(--slate-50); text-decoration: none; }

/* Marketing hero */
.hero { background: linear-gradient(180deg, var(--copper-50) 0%, var(--bg) 100%); padding: 80px 0 64px; }
.hero-inner { max-width: 900px; }
.hero h1 { font-size: 36px; line-height: 1.15; letter-spacing: -0.02em; margin: 12px 0 16px; font-weight: 700; }
.hero .lede { font-size: 17px; color: var(--slate-500); max-width: 640px; }
.cta-row { display: flex; gap: 12px; margin-top: 28px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 64px; }
.feature { background: var(--surface); padding: 22px; border-radius: var(--radius); border: 1px solid var(--border); }
.feature p { color: var(--muted); margin: 0; font-size: 14px; }

/* Auth */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 80vh; padding: 32px 24px; }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 36px; max-width: 440px; width: 100%; box-shadow: var(--shadow-sm); }
.auth-card h1 { font-size: 22px; margin: 8px 0 6px; }
.form { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
.form label { font-size: 13px; font-weight: 500; color: var(--slate-700); }
.form input, .form select { padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius); font: inherit; background: white; }
.form input:focus, .form select:focus { outline: none; border-color: var(--copper-500); box-shadow: 0 0 0 3px rgba(176,122,69,.15); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.form-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }
.error { color: var(--danger); font-size: 12px; }
.alert { background: #fdecec; color: var(--danger); padding: 10px 14px; border-radius: var(--radius); font-size: 13px; }

/* Page head */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin: 0 0 24px; padding-top: 8px; }

/* Stats */
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 16px 0 32px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-weight: 600; }
.stat-value { font-size: 28px; font-weight: 700; margin-top: 6px; }

/* Tables */
.table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); margin-top: 12px; }
.table th, .table td { text-align: left; padding: 11px 14px; font-size: 14px; border-bottom: 1px solid var(--border); }
.table th { background: var(--slate-50); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--copper-50); }

/* Badges */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; background: var(--slate-100); color: var(--slate-700); }
.badge-draft { background: #eef0f5; color: #4a5063; }
.badge-booked { background: #e0e7ff; color: #3c47a1; }
.badge-loading, .badge-discharging { background: #fef0d6; color: #8a5a2a; }
.badge-at_sea { background: #d8eaff; color: #2f5d99; }
.badge-completed, .badge-done { background: #d8f0e1; color: #2f7a4f; }
.badge-cancelled, .badge-error { background: #fde0e0; color: #b94343; }
.badge-running, .badge-pending { background: #fef0d6; color: #8a5a2a; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin: 20px 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.kv { display: grid; grid-template-columns: 180px 1fr; gap: 8px 18px; margin: 0; font-size: 14px; }
.kv dt { color: var(--muted); font-weight: 500; }
.kv dd { margin: 0; color: var(--text); }
.empty { background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius); padding: 36px; text-align: center; margin: 24px 0; }
.empty p { color: var(--muted); margin: 0 0 16px; }
.upload-row { display: flex; gap: 10px; align-items: center; margin: 12px 0 8px; flex-wrap: wrap; }
.extraction { border-top: 1px solid var(--border); padding: 16px 0; }
.extraction:first-child { border-top: none; padding-top: 0; }
.extraction-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }

@media (max-width: 760px) {
  .hero h1 { font-size: 28px; }
  .feature-grid, .stat-row, .form-grid { grid-template-columns: 1fr; }
  .app-nav { display: none; }
  .page-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .kv { grid-template-columns: 1fr; gap: 2px; }
  .kv dt { margin-top: 8px; }
}

/* Phase 2 helpers */
.mono { font-family: var(--mono, 'JetBrains Mono', ui-monospace, monospace); }
.route { font-family: var(--mono, monospace); font-size: 12px; }
.route .arr { color: var(--copper-deep, #c8773c); margin: 0 4px; }
table.t .right { text-align: right; }
.kv .k { font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.kv .v { font-family: var(--mono); font-size: 13px; font-weight: 500; margin-top: 3px; }