/* Tropos — Mariana calm, minimal, generous whitespace */

:root {
  --bg: #f7f8fa;
  --fg: #1a1a1a;
  --surface: #ffffff;
  --surface-2: #f0f1f4;
  --border: #e1e3e8;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-2: #7c3aed;
  --accent-3: #059669;
  --danger: #dc2626;
  --warning: #d97706;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --font-ui: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --max-width: 960px;
}

[data-theme="dark"] {
  --bg: #0f1115;
  --fg: #e6e8ec;
  --surface: #16191f;
  --surface-2: #1e2128;
  --border: #2a2e36;
  --muted: #9ca3af;
  --accent: #60a5fa;
  --accent-2: #a78bfa;
  --accent-3: #34d399;
  --danger: #f87171;
  --warning: #fbbf24;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

#app { min-height: 100vh; display: flex; flex-direction: column; }

/* Layout */
.container { max-width: var(--max-width); margin: 0 auto; padding: 24px; width: 100%; }
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header .brand { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.header nav { display: flex; gap: 12px; align-items: center; }
.header nav a { font-size: 0.92rem; color: var(--muted); }
.header nav a:hover { color: var(--fg); text-decoration: none; }
.header nav a.active { color: var(--fg); font-weight: 600; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; padding: 8px 14px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface);
  color: var(--fg); font-size: 0.92rem; cursor: pointer;
  transition: transform .05s, box-shadow .15s, background .15s;
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 0.85rem; }

input, textarea, select {
  width: 100%; padding: 10px 12px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface); color: var(--fg);
  font-family: inherit; font-size: 0.95rem;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
textarea { resize: vertical; min-height: 100px; font-family: var(--font-mono); font-size: 0.9rem; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow);
}

.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 999px; font-size: 0.78rem; font-weight: 600;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.chip-inbox { color: var(--accent); border-color: rgba(37,99,235,0.35); background: rgba(37,99,235,0.08); }
.chip-curated { color: var(--accent-2); border-color: rgba(124,58,237,0.35); background: rgba(124,58,237,0.08); }
.chip-forged { color: var(--accent-3); border-color: rgba(5,150,105,0.35); background: rgba(5,150,105,0.08); }
.chip-archived { opacity: 0.7; }
.chip-advance { color: var(--accent-3); border-color: rgba(5,150,105,0.35); background: rgba(5,150,105,0.08); }
.chip-overlap { color: var(--warning); border-color: rgba(217,119,6,0.35); background: rgba(217,119,6,0.08); }
.chip-weak { color: var(--muted); border-color: var(--border); background: var(--surface-2); }

.empty {
  text-align: center; padding: 48px 24px; color: var(--muted);
}
.empty p { margin: 6px 0 0; }

/* Login */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.login-card { width: 100%; max-width: 360px; }
.login-card h1 { margin: 0 0 6px; font-size: 1.4rem; }
.login-card p { margin: 0 0 18px; color: var(--muted); }
.login-card .error { color: var(--danger); font-size: 0.9rem; margin-top: 10px; }

/* Dashboard */
.dashboard { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 22px; }
.stat { text-align: center; padding: 16px; }
.stat .num { font-size: 1.6rem; font-weight: 700; }
.stat .label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* Lists */
.idea-list, .spec-list { display: grid; gap: 12px; }
.idea-row, .spec-card {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 16px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.idea-row .meta, .spec-card .meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.idea-row .title, .spec-card .title { font-weight: 600; }
.idea-row .time, .spec-card .time { font-size: 0.8rem; color: var(--muted); }

/* Forge live */
.forge-stage {
  display: flex; gap: 8px; align-items: center; margin-bottom: 14px;
}
.stage-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.stage-dot.active { background: var(--accent); box-shadow: 0 0 0 4px rgba(37,99,235,0.15); }
.stage-label { font-size: 0.85rem; color: var(--muted); }

.forge-output {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; min-height: 200px; max-height: 60vh; overflow: auto;
  font-family: var(--font-mono); font-size: 0.9rem; line-height: 1.6;
}
.forge-output h1, .forge-output h2, .forge-output h3 { font-family: var(--font-ui); margin-top: 1.2em; }
.forge-output ul { padding-left: 1.2em; }

/* Detail */
.detail-toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.detail-body { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.detail-body.raw { font-family: var(--font-mono); white-space: pre-wrap; }

/* Settings */
.settings-grid { display: grid; gap: 18px; }
.prompt-editor label { display: block; font-weight: 600; margin-bottom: 6px; }
.prompt-editor textarea { min-height: 220px; }

/* Theme toggle */
.theme-bar { display: flex; gap: 8px; align-items: center; }
.swatch { width: 22px; height: 22px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; }
.swatch.active { border-color: var(--fg); }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 0.9rem; }
.form-hint { font-size: 0.82rem; color: var(--muted); margin-top: 4px; }

/* Responsive */
@media (max-width: 720px) {
  .dashboard { grid-template-columns: repeat(2, 1fr); }
  .header { flex-wrap: wrap; }
}

/* Misc */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }