/* Ostheia — visual identity aligned with the Sapience Network:
   deep navy, bronze accents, serif headings, restrained institutional layout. */

:root {
  --navy: #16243b;
  --navy-2: #1f3252;
  --navy-3: #2a4066;
  --bronze: #b08d57;
  --bronze-soft: #d9c39d;
  --ivory: #f6f2ea;
  --paper: #ffffff;
  --ink: #20242b;
  --muted: #6b7280;
  --line: #e3ddd0;
  --ok: #3d7a4f;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--ivory);
  font-size: 15px;
  line-height: 1.55;
}

h1, h2, h3, .wordmark { font-family: var(--serif); font-weight: 600; color: var(--navy); }

/* ---------- auth screen ---------- */
.auth-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  padding: 24px;
}
.auth-card {
  background: var(--paper);
  width: 100%; max-width: 420px;
  padding: 40px 36px 32px;
  border-top: 4px solid var(--bronze);
}
.wordmark { font-size: 30px; letter-spacing: 0.14em; color: var(--navy); }
.wordmark-sub {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--bronze); margin-top: 4px; margin-bottom: 26px;
}
.auth-card .field { margin-bottom: 14px; }
.auth-toggle { margin-top: 18px; font-size: 13px; color: var(--muted); }
.auth-toggle a { color: var(--navy); cursor: pointer; text-decoration: underline; text-decoration-color: var(--bronze); }
.demo-hint { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.demo-hint code { background: var(--ivory); padding: 1px 5px; font-size: 11px; }

/* ---------- app shell ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex-shrink: 0;
  background: var(--navy); color: #cfd6e4;
  display: flex; flex-direction: column;
  padding: 28px 0 20px;
}
.sidebar .wordmark { color: #fff; font-size: 22px; padding: 0 24px; }
.sidebar .wordmark-sub { padding: 0 24px; margin-bottom: 30px; }
.nav { display: flex; flex-direction: column; }
.nav a {
  padding: 11px 24px; color: #cfd6e4; text-decoration: none; font-size: 14px;
  border-left: 3px solid transparent; cursor: pointer;
}
.nav a:hover { background: var(--navy-2); color: #fff; }
.nav a.active { background: var(--navy-2); color: #fff; border-left-color: var(--bronze); }
.sidebar .spacer { flex: 1; }
.userbox { padding: 16px 24px 0; border-top: 1px solid var(--navy-3); font-size: 13px; }
.userbox .name { color: #fff; }
.userbox .role { color: var(--bronze-soft); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; }
.userbox a { color: #9fb0ca; font-size: 12px; cursor: pointer; text-decoration: underline; }

.main { flex: 1; padding: 40px 48px 64px; max-width: 1080px; }
.main h1 { font-size: 26px; margin-bottom: 6px; }
.main .lede { color: var(--muted); margin-bottom: 28px; max-width: 640px; }
.rule { width: 56px; height: 3px; background: var(--bronze); margin: 14px 0 22px; }

/* ---------- cards & layout ---------- */
.grid { display: grid; grid-template-columns: minmax(320px, 460px) 1fr; gap: 28px; align-items: start; }
.card { background: var(--paper); border: 1px solid var(--line); padding: 24px; }
.card h2 { font-size: 17px; margin-bottom: 14px; }
.card + .card { margin-top: 24px; }

/* dimension bars */
.dim-row { display: grid; grid-template-columns: 190px 1fr 40px; gap: 12px; align-items: center; margin-bottom: 10px; }
.dim-row .label { font-size: 13px; }
.bar { height: 8px; background: var(--ivory); position: relative; }
.bar > span { position: absolute; inset: 0 auto 0 0; background: var(--navy-3); }
.dim-row .val { font-size: 13px; text-align: right; color: var(--navy); font-variant-numeric: tabular-nums; }
.dim-row.low .bar > span { background: var(--bronze); }

.tag { display: inline-block; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; padding: 3px 8px; margin: 0 6px 6px 0; }
.tag.strong { background: #e8eef7; color: var(--navy); }
.tag.weak { background: #f4ead9; color: #7a5c2e; }

/* ---------- forms ---------- */
label { display: block; font-size: 13px; color: var(--navy); margin-bottom: 4px; }
input, textarea, select {
  width: 100%; padding: 9px 11px; font-size: 14px; font-family: var(--sans);
  border: 1px solid #cfc7b6; background: #fff; color: var(--ink);
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--bronze-soft); border-color: var(--bronze); }
button {
  background: var(--navy); color: #fff; border: 0; padding: 11px 22px;
  font-size: 14px; cursor: pointer; font-family: var(--sans);
}
button:hover { background: var(--navy-2); }
button.secondary { background: transparent; color: var(--navy); border: 1px solid var(--navy); }
button:disabled { opacity: 0.55; cursor: wait; }
.error { color: #a33; font-size: 13px; margin: 10px 0; }
.success { color: var(--ok); font-size: 13px; margin: 10px 0; }

/* ---------- diagnostic ---------- */
.q-dim { margin: 26px 0 8px; }
.q-dim h3 { font-size: 15px; }
.q-dim .desc { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.q { background: var(--paper); border: 1px solid var(--line); padding: 14px 16px; margin-bottom: 8px; }
.q .text { font-size: 14px; margin-bottom: 10px; }
.likert { display: flex; gap: 18px; flex-wrap: wrap; }
.likert label { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink); margin: 0; cursor: pointer; }
.likert input { width: auto; }
.likert-legend { font-size: 12px; color: var(--muted); margin-bottom: 16px; }

/* ---------- reflections ---------- */
.reflection { border-left: 3px solid var(--bronze); }
.reflection .meta { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.reflection .body { white-space: pre-wrap; margin-bottom: 14px; }
.ai-note { background: #f9f6ef; border: 1px solid var(--line); padding: 14px 16px; }
.ai-note .src { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--bronze); margin-bottom: 6px; }
.ai-note .txt { font-size: 13.5px; white-space: pre-wrap; }

/* ---------- cohort ---------- */
table { width: 100%; border-collapse: collapse; background: var(--paper); }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 13px; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
td.num { font-variant-numeric: tabular-nums; }

.footnote { margin-top: 40px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; max-width: 640px; }

@media (max-width: 900px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 10px 8px; }
  .sidebar .wordmark-sub, .userbox, .sidebar .spacer { display: none; }
  .nav { flex-direction: row; }
  .grid { grid-template-columns: 1fr; }
  .main { padding: 24px 20px 48px; }
}