@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:wght@500;600&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --ink: #1F3A3D;
  --ink-soft: #3E5A5D;
  --sand: #F5F2EA;
  --sand-deep: #EAE5D8;
  --line: #D8D2C2;
  --amber: #B5793A;
  --amber-soft: #E9D3B4;
  --sage: #6E8C74;
  --sage-soft: #DCE6DD;
  --clay: #A15C42;
  --clay-soft: #EBD7CC;
  --white: #FFFFFF;
  --radius: 6px;
  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--sand);
}

.screen { min-height: 100vh; }

/* ---------- Login ---------- */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--ink) 0%, #2C4C4F 55%, var(--ink-soft) 100%);
}
.login-card {
  background: var(--sand);
  padding: 2.5rem 2.25rem;
  border-radius: var(--radius);
  width: 340px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.brand { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.15rem; }
.brand-mark { font-size: 1.4rem; color: var(--amber); }
.brand h1 { font-family: var(--font-display); font-size: 1.5rem; margin: 0; letter-spacing: 0.02em; }
.tagline { font-size: 0.8rem; color: var(--ink-soft); margin: 0 0 1.5rem; }
#login-form label { display: block; font-size: 0.78rem; font-weight: 600; margin-bottom: 0.9rem; color: var(--ink-soft); }
#login-form input {
  display: block; width: 100%; margin-top: 0.3rem; padding: 0.55rem 0.65rem;
  border: 1px solid var(--line); border-radius: var(--radius); font-family: var(--font-body); font-size: 0.9rem;
  background: var(--white);
}
#login-form button {
  width: 100%; padding: 0.65rem; margin-top: 0.4rem;
  background: var(--ink); color: var(--sand); border: none; border-radius: var(--radius);
  font-weight: 600; font-size: 0.9rem; cursor: pointer;
}
#login-form button:hover { background: var(--ink-soft); }
.error-text { color: var(--clay); font-size: 0.8rem; min-height: 1.1em; margin-top: 0.6rem; }

/* ---------- App shell ---------- */
#app-screen { display: flex; }
.sidebar {
  width: 220px; background: var(--ink); color: var(--sand); min-height: 100vh;
  display: flex; flex-direction: column; padding: 1.4rem 1rem; flex-shrink: 0;
}
.brand.small { font-family: var(--font-display); font-size: 1.05rem; gap: 0.4rem; margin-bottom: 1.8rem; }
.brand.small .brand-mark { color: var(--amber); }
#nav { flex: 1; display: flex; flex-direction: column; gap: 0.15rem; }
#nav button {
  text-align: left; background: none; border: none; color: var(--sand);
  opacity: 0.75; padding: 0.55rem 0.7rem; border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.86rem; cursor: pointer;
}
#nav button:hover { opacity: 1; background: rgba(255,255,255,0.06); }
#nav button.active { opacity: 1; background: rgba(255,255,255,0.12); font-weight: 600; }
.sidebar-footer { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 0.9rem; font-size: 0.78rem; }
#whoami { opacity: 0.8; margin-bottom: 0.4rem; }
.link-btn { background: none; border: none; color: var(--amber-soft); cursor: pointer; padding: 0; font-size: 0.78rem; }

main { flex: 1; min-width: 0; }
.topbar { padding: 1.4rem 2rem 0.6rem; border-bottom: 1px solid var(--line); }
.topbar h2 { font-family: var(--font-display); font-weight: 600; margin: 0 0 1rem; }
.view-body { padding: 1.5rem 2rem 3rem; }

/* ---------- Shared UI bits ---------- */
.toolbar { display: flex; gap: 0.6rem; margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.toolbar input, .toolbar select {
  padding: 0.45rem 0.6rem; border: 1px solid var(--line); border-radius: var(--radius); font-family: var(--font-body); font-size: 0.85rem;
}
.btn {
  padding: 0.5rem 0.9rem; border-radius: var(--radius); border: none; cursor: pointer;
  font-family: var(--font-body); font-size: 0.85rem; font-weight: 600; background: var(--ink); color: var(--sand);
}
.btn:hover { background: var(--ink-soft); }
.btn.secondary { background: var(--sand-deep); color: var(--ink); }
.btn.secondary:hover { background: var(--line); }

table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 0.6rem 0.8rem; font-size: 0.84rem; border-bottom: 1px solid var(--sand-deep); }
th { background: var(--sand-deep); font-family: var(--font-body); font-weight: 600; color: var(--ink-soft); text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.04em; }
tr:hover td { background: #FBFAF6; }

.badge { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px; font-size: 0.72rem; font-weight: 600; }
.badge.risk-low { background: var(--sage-soft); color: #3E5A44; }
.badge.risk-med { background: var(--amber-soft); color: #7A5220; }
.badge.risk-high { background: var(--clay-soft); color: #7A3D28; }
.badge.tier-critical { background: var(--clay-soft); color: #7A3D28; }
.badge.tier-high { background: var(--amber-soft); color: #7A5220; }
.badge.tier-medium { background: var(--sand-deep); color: var(--ink-soft); }
.badge.tier-low { background: var(--sage-soft); color: #3E5A44; }

.score-mono { font-family: var(--font-mono); font-weight: 500; }

.card { background: var(--white); border: 1px solid var(--sand-deep); border-radius: var(--radius); padding: 1.2rem; margin-bottom: 1rem; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.8rem; margin-bottom: 0.8rem; }
.form-grid label { font-size: 0.78rem; font-weight: 600; color: var(--ink-soft); display: block; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%; margin-top: 0.3rem; padding: 0.5rem 0.6rem; border: 1px solid var(--line);
  border-radius: var(--radius); font-family: var(--font-body); font-size: 0.85rem;
}
.form-grid textarea { grid-column: 1 / -1; min-height: 70px; }

.empty-state { color: var(--ink-soft); font-size: 0.85rem; padding: 2rem; text-align: center; background: var(--white); border-radius: var(--radius); border: 1px dashed var(--line); }

.chat-log { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1rem; max-height: 360px; overflow-y: auto; }
.chat-msg { padding: 0.55rem 0.8rem; border-radius: var(--radius); font-size: 0.85rem; max-width: 75%; }
.chat-msg.user { background: var(--ink); color: var(--sand); align-self: flex-end; }
.chat-msg.assistant { background: var(--sand-deep); color: var(--ink); align-self: flex-start; }

.note-flag { font-size: 0.75rem; color: var(--clay); font-weight: 600; margin-top: 0.3rem; }