/* Email Context — thin UI. Hand-written, no framework, no build step.
   Light/dark aware via prefers-color-scheme. */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #e2e5ea;
  --text: #1b1f27;
  --muted: #667085;
  --primary: #4f46e5;
  --primary-ink: #ffffff;
  --stale-bg: #fff4e5;
  --stale-ink: #92400e;
  --fresh-bg: #e7f6ee;
  --fresh-ink: #10643a;
  --danger: #c02626;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 16px rgba(16, 24, 40, 0.05);
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218;
    --surface: #171b23;
    --surface-2: #1e232d;
    --border: #2a303c;
    --text: #e8eaed;
    --muted: #98a2b3;
    --primary: #7c74f0;
    --primary-ink: #ffffff;
    --stale-bg: #3a2a12;
    --stale-ink: #f5c77e;
    --fresh-bg: #14321f;
    --fresh-ink: #7ee0a8;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.view[hidden] { display: none; }
.muted { color: var(--muted); }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 5px;
  font-size: 0.9em;
}

/* ---- Login ---- */
.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card { width: 100%; max-width: 360px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.brand { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.brand-mark { margin-right: 4px; }
.login-card .brand { margin-bottom: 2px; }
.login-card p.muted { margin-top: 0; }
.login-card label {
  display: block;
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}
input {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.95rem;
}
input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.hint { font-size: 0.8rem; margin-bottom: 0; }

/* ---- Buttons ---- */
.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.12s ease, background 0.12s ease;
}
.btn:disabled { opacity: 0.6; cursor: default; }
.btn.primary { background: var(--primary); color: var(--primary-ink); width: 100%; margin-top: 22px; }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn.ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn.ghost:hover { background: var(--surface-2); }
.btn.small { padding: 6px 12px; font-size: 0.82rem; }

.error { color: var(--danger); font-size: 0.85rem; margin: 12px 0 0; }

/* ---- App shell ---- */
.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 22px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}
.nav { display: flex; gap: 6px; margin-left: 8px; }
.nav a {
  padding: 7px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}
.nav a.active { background: var(--surface-2); color: var(--text); }
.who { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.who-name { font-weight: 600; font-size: 0.9rem; }
.pill {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
}

.content { max-width: 1040px; margin: 0 auto; padding: 28px 22px 60px; }

/* ---- Generic layout bits ---- */
.page-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.page-head h1 { font-size: 1.5rem; margin: 0; letter-spacing: -0.02em; }
.stat-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 24px; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  min-width: 130px;
  flex: 1;
}
.stat .num { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; }
.stat .lbl { color: var(--muted); font-size: 0.8rem; font-weight: 600; }

table { width: 100%; border-collapse: collapse; background: var(--surface); }
.table-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
thead th {
  text-align: left;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 11px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
tbody tr:last-child td { border-bottom: none; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
}
.badge.stale { background: var(--stale-bg); color: var(--stale-ink); }
.badge.fresh { background: var(--fresh-bg); color: var(--fresh-ink); }
.badge.none { background: var(--surface-2); color: var(--muted); }

/* ---- Summary detail ---- */
.back { display: inline-block; margin-bottom: 14px; color: var(--muted); cursor: pointer; font-size: 0.88rem; font-weight: 600; }
.summary-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 720px) { .summary-grid { grid-template-columns: 1fr 1fr; } }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.panel h3 { margin: 0 0 12px; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.panel.full { grid-column: 1 / -1; }
.panel ul { margin: 0; padding-left: 18px; }
.panel li { margin: 6px 0; }
.actor { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--border); }
.actor:last-child { border-bottom: none; }
.actor .role { color: var(--muted); font-size: 0.85rem; }
.owner { color: var(--muted); font-size: 0.85rem; }
.overview { font-size: 1.02rem; line-height: 1.6; }

.summary-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 6px 0 22px; }
.summary-actions .btn.primary { width: auto; margin: 0; }

.empty { text-align: center; padding: 48px 20px; color: var(--muted); }

.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid currentColor; border-right-color: transparent;
  border-radius: 50%; animation: spin 0.7s linear infinite; vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Toast ---- */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  padding: 10px 18px; border-radius: 8px; font-size: 0.88rem; font-weight: 600;
  box-shadow: var(--shadow); z-index: 20;
}
.toast[hidden] { display: none; }
.toast.err { background: var(--danger); color: #fff; }