:root {
  --navy: #0d2438;
  --navy-deep: #081723;
  --navy-soft: #14324a;
  --sea: #1c4e73;
  --sea-light: #2e6f9c;
  --sand: #f3e9d2;
  --sand-dark: #d9c89f;
  --rope: #b07a3a;
  --rope-light: #d89a54;
  --cream: #fbf7ee;
  --ink: #1a2733;
  --muted: #6a7b8c;
  --red: #a33232;
  --green: #2f6b44;
  --border: #d8cdae;
  --shadow: 0 2px 8px rgba(8,23,35,0.08);
  --shadow-lg: 0 12px 32px rgba(8,23,35,0.18);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: var(--cream); line-height: 1.55; }
a { color: var(--sea); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: "Georgia", "Times New Roman", serif; color: var(--navy); margin-top: 0; }
h1 { font-size: 2rem; letter-spacing: 0.01em; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.1rem; }
p { margin: 0.6em 0; }
code, pre { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 0.92em; }
pre { background: #0b1d2e; color: #e6edf3; padding: 12px 14px; border-radius: 6px; overflow-x: auto; }

/* ---------- Public (sailing club cover) ---------- */
.public {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(13,36,56,0.7), rgba(13,36,56,0.95)),
    radial-gradient(ellipse at top, #1e4c78 0%, #0d2438 60%);
  color: var(--sand);
}
.public-header {
  padding: 20px 32px;
  border-bottom: 1px solid rgba(243,233,210,0.15);
  display: flex; justify-content: space-between; align-items: center;
}
.brand { font-family: "Georgia", serif; font-size: 1.4rem; letter-spacing: 0.05em; color: var(--sand); }
.brand small { display: block; font-size: 0.7rem; color: var(--sand-dark); letter-spacing: 0.2em; }
.public-nav a { color: var(--sand-dark); margin-left: 20px; font-size: 0.92rem; }
.public-nav a:hover { color: var(--sand); }

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 32px 40px;
  text-align: center;
}
.hero h1 { color: var(--sand); font-size: 2.6rem; margin-bottom: 10px; }
.hero .tagline { color: var(--sand-dark); font-style: italic; font-size: 1.1rem; }

.auth-card {
  max-width: 420px;
  margin: 40px auto;
  background: var(--cream);
  color: var(--ink);
  padding: 32px 28px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--rope);
}
.auth-card h2 { text-align: center; margin-bottom: 4px; }
.auth-card .subtitle { text-align: center; color: var(--muted); font-size: 0.95rem; margin-bottom: 24px; }
.auth-card .form-footer { text-align: center; margin-top: 18px; font-size: 0.9rem; color: var(--muted); }

.info-grid {
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 32px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.info-card {
  background: rgba(251,247,238,0.05);
  border: 1px solid rgba(243,233,210,0.2);
  border-radius: 8px;
  padding: 24px;
  color: var(--sand);
}
.info-card h3 { color: var(--rope-light); }
.info-card p { color: var(--sand-dark); }

.public-footer {
  text-align: center;
  padding: 24px;
  color: var(--sand-dark);
  font-size: 0.85rem;
  border-top: 1px solid rgba(243,233,210,0.1);
}

/* ---------- Forms ---------- */
label { display: block; font-size: 0.9rem; color: var(--navy); margin-bottom: 4px; font-weight: 600; }
input[type="text"], input[type="password"], input[type="email"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
textarea { resize: vertical; min-height: 90px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--sea); box-shadow: 0 0 0 3px rgba(28,78,115,0.15); }
.form-row { margin-bottom: 14px; }

button, .btn {
  display: inline-block;
  padding: 10px 18px;
  border: none;
  border-radius: 6px;
  background: var(--sea);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}
button:hover, .btn:hover { background: var(--sea-light); text-decoration: none; color: white; }
button.primary, .btn.primary { background: var(--rope); }
button.primary:hover, .btn.primary:hover { background: var(--rope-light); }
button.danger, .btn.danger { background: var(--red); }
button.ghost, .btn.ghost { background: transparent; color: var(--sea); border: 1px solid var(--border); }
button.ghost:hover { background: #f4eedc; color: var(--navy); }
button.small, .btn.small { padding: 6px 12px; font-size: 0.85rem; }
button.full, .btn.full { width: 100%; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 0.9rem; }
.flash.error { background: #fbe3e3; color: #7a1f1f; border: 1px solid #f0b5b5; }
.flash.success { background: #dff0e3; color: #1d4a2d; border: 1px solid #a8d2b4; }

/* ---------- App layout (helm) ---------- */
.app { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; background: var(--cream); }
.sidebar {
  background: var(--navy-deep);
  color: var(--sand);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--navy-soft);
}
.sidebar .brand {
  padding: 0 20px 16px;
  border-bottom: 1px solid var(--navy-soft);
  margin-bottom: 12px;
}
.nav { flex: 1; padding: 0 12px; overflow-y: auto; }
.nav a {
  display: block;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--sand-dark);
  font-size: 0.92rem;
  margin-bottom: 2px;
}
.nav a:hover { background: var(--navy-soft); color: var(--sand); text-decoration: none; }
.nav a.active { background: var(--sea); color: white; }
.nav .section-title { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; padding: 14px 12px 6px; }
.nav .conv-item { font-size: 0.88rem; padding: 7px 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--navy-soft);
  font-size: 0.85rem;
  color: var(--sand-dark);
}
.sidebar-footer a { color: var(--sand-dark); display: block; padding: 4px 0; }
.sidebar-footer a:hover { color: var(--sand); }

.main { display: flex; flex-direction: column; min-height: 100vh; }
.topbar {
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: white;
  display: flex; justify-content: space-between; align-items: center;
}
.topbar h2 { margin: 0; font-size: 1.1rem; }
.content { flex: 1; padding: 28px; max-width: 1000px; width: 100%; margin: 0 auto; }

/* ---------- Chat ---------- */
.chat { display: flex; flex-direction: column; height: calc(100vh - 58px); }
.messages { flex: 1; overflow-y: auto; padding: 24px 28px; }
.msg {
  max-width: 780px;
  margin: 0 auto 18px;
  padding: 14px 18px;
  border-radius: 10px;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.msg.user { background: var(--sea); color: white; border-bottom-right-radius: 2px; margin-left: auto; }
.msg.assistant { background: white; border: 1px solid var(--border); border-bottom-left-radius: 2px; }
.msg .role { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.7; margin-bottom: 4px; }
.msg .docs { font-size: 0.85rem; margin-top: 8px; padding-top: 8px; border-top: 1px solid rgba(255,255,255,0.2); }
.msg.assistant .docs { border-top-color: var(--border); }

.composer {
  padding: 14px 28px 20px;
  border-top: 1px solid var(--border);
  background: white;
}
.composer form { max-width: 780px; margin: 0 auto; }
.composer .row { display: flex; gap: 10px; align-items: flex-end; }
.composer textarea { flex: 1; min-height: 44px; max-height: 220px; }
.file-pills { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.file-pill { background: var(--sand); color: var(--navy); font-size: 0.8rem; padding: 4px 10px; border-radius: 99px; }

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--muted);
}
.empty-state h2 { color: var(--navy); margin-bottom: 8px; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; background: white; border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { background: var(--sand); color: var(--navy); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fbf6e7; }

.card { background: white; padding: 24px; border-radius: 8px; box-shadow: var(--shadow); margin-bottom: 20px; border-left: 3px solid var(--rope); }
.card h2 { margin-bottom: 16px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 0.75rem; font-weight: 600; }
.badge.ok { background: #dff0e3; color: var(--green); }
.badge.warn { background: #fbe8cf; color: #8a4b10; }
.badge.none { background: #e9ecef; color: var(--muted); }

.muted { color: var(--muted); font-size: 0.9rem; }
.inline-form { display: inline; }
.row-actions { display: flex; gap: 6px; }

@media (max-width: 768px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .hero h1 { font-size: 2rem; }
}