:root {
  --bg: #0f1116;
  --surface: #1a1d24;
  --elevated: #232730;
  --text: #e8ebef;
  --text-muted: #8a92a3;
  --accent: #d4af37;
  --accent-soft: #2a2418;
  --border: #2d3340;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #f87171;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }

.view { min-height: 100vh; }
.view.hidden { display: none; }

.login-box {
  max-width: 360px; margin: 10vh auto; padding: 2rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  text-align: center;
}
.login-box h1 { font-size: 2.2rem; margin-bottom: 0.5rem; }
.login-box .subtitle { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.login-box form { display: flex; flex-direction: column; gap: 0.8rem; }
.login-box input {
  padding: 0.7rem 1rem; background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); font-size: 1rem;
}
.login-box input:focus { outline: none; border-color: var(--accent); }
.login-box button {
  padding: 0.8rem; background: var(--accent); border: none; border-radius: 6px;
  color: #1a1408; font-weight: 600; font-size: 1rem; cursor: pointer;
}
.login-box button:hover { background: #e6c14a; }
.error { color: var(--err); margin-top: 0.8rem; min-height: 1.2rem; font-size: 0.85rem; }

header {
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 1rem 2rem; display: flex; align-items: center; justify-content: space-between;
}
header h1 { font-size: 1.4rem; display: flex; align-items: center; gap: 0.6rem; }
.env-pill {
  font-family: monospace; font-size: 0.7rem; padding: 3px 8px;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--accent); border-radius: 6px; font-weight: 600;
}
nav { display: flex; gap: 1.2rem; align-items: center; }
.nav-link {
  color: var(--text-muted); text-decoration: none; padding: 0.4rem 0.8rem;
  border-radius: 6px; font-size: 0.95rem; transition: all 0.15s;
}
.nav-link:hover { color: var(--text); background: var(--elevated); }
.nav-link.active { color: var(--accent); background: var(--accent-soft); }
#logout-btn {
  margin-left: 0.6rem; padding: 0.4rem 0.9rem; background: transparent;
  border: 1px solid var(--border); color: var(--text-muted); border-radius: 6px; cursor: pointer;
}
#logout-btn:hover { color: var(--err); border-color: var(--err); }

main { padding: 2rem; max-width: 1400px; margin: 0 auto; }
.section.hidden { display: none; }
.section h2 { font-size: 1.6rem; margin-bottom: 1.2rem; color: var(--accent); }
.section h3 { font-size: 1.1rem; margin: 1.5rem 0 0.8rem; color: var(--text-muted); font-weight: 500; }

.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem; margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.2rem; display: flex; flex-direction: column;
}
.stat-label { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 0.5rem; }
.stat-value { color: var(--accent); font-size: 2rem; font-weight: 600; }

.factors-table, .backlog-table {
  width: 100%; border-collapse: collapse; background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
}
.factors-table th, .factors-table td,
.backlog-table th, .backlog-table td {
  padding: 0.7rem 1rem; text-align: left; border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.factors-table th, .backlog-table th {
  background: var(--elevated); color: var(--text-muted); font-weight: 500;
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.factors-table tr:last-child td, .backlog-table tr:last-child td { border-bottom: none; }
.factors-table td:nth-child(3) { color: var(--accent); font-family: monospace; }

#sprints-list { display: flex; flex-direction: column; gap: 1rem; }
.sprint-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.2rem;
}
.sprint-card .sprint-head {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.8rem;
}
.sprint-card .sprint-id { font-size: 1.1rem; color: var(--accent); font-weight: 600; }
.sprint-card .sprint-progress {
  font-family: monospace; font-size: 0.9rem; color: var(--text-muted);
}
.sprint-card pre {
  background: var(--bg); padding: 1rem; border-radius: 6px; overflow-x: auto;
  font-size: 0.8rem; color: var(--text); white-space: pre-wrap;
}

#roadmap-content {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.5rem; font-size: 0.9rem; line-height: 1.6; white-space: pre-wrap;
  overflow-x: auto;
}