/* The Overnight Loop — teacher morning-briefing UI. Palette from /assets/design-tokens.css */
:root {
  --navy: #12355b;
  --teal: #1fa6a2;
  --amber: #f2c15b;
  --cream: #f7f4ec;
  --card: #fff;
  --ink: #21313f;
  --muted: #5f6f80;
  --line: #d7e2ed;
  --success: #0f7c4a;
  --success-bg: #e6f7ef;
  --error: #b64e2f;
  --error-bg: #fef0ec;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font:
    17px/1.55 -apple-system,
    "Segoe UI",
    system-ui,
    sans-serif;
}
header.top {
  background: var(--navy);
  color: #fff;
  padding: 22px clamp(16px, 4vw, 48px);
}
header.top h1 {
  margin: 0 0 4px;
  font-size: clamp(22px, 3.4vw, 32px);
}
header.top .sub {
  opacity: 0.85;
  font-size: 15px;
}
.privacy {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid #b7e3cc;
  border-radius: var(--r-sm);
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  display: inline-block;
  margin-top: 10px;
}
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(16px, 4vw, 36px);
}
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.tabs button {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.tabs button[aria-selected="true"] {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.grid {
  display: grid;
  gap: 16px;
}
.cols-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 20px;
  box-shadow: 0 1px 3px rgba(18, 53, 91, 0.06);
}
.card h2 {
  margin: 0 0 10px;
  font-size: 20px;
  color: var(--navy);
}
.card h3 {
  margin: 14px 0 6px;
  font-size: 16px;
}
.hotbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 10px 0;
}
.hotbar .meter {
  flex: 1;
  height: 14px;
  background: #eef3f8;
  border-radius: 999px;
  overflow: hidden;
}
.hotbar .meter > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--error));
}
.hotbar .label {
  flex: 0 0 auto;
  font-weight: 600;
  min-width: 0;
}
.hotbar .count {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 13px;
}
.pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  color: #fff;
}
.sev-3 {
  background: var(--error);
}
.sev-2 {
  background: #d98a2b;
}
.sev-1 {
  background: var(--teal);
}
.bundle {
  border-left: 3px solid var(--teal);
  padding-left: 14px;
  margin: 10px 0;
}
.bundle .kind {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
}
.bundle p {
  margin: 2px 0 0;
}
.bundle ul {
  margin: 4px 0 0;
  padding-left: 20px;
}
.student-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.student-row:last-child {
  border-bottom: 0;
}
.student-row .nm {
  font-weight: 700;
}
.group-card {
  border-top: 4px solid var(--amber);
}
.muted {
  color: var(--muted);
}
.actions {
  margin: 18px 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.btn {
  border: 0;
  background: var(--navy);
  color: #fff;
  padding: 11px 20px;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
}
.btn.alt {
  background: var(--card);
  color: var(--navy);
  border: 1px solid var(--line);
}
dialog {
  border: 0;
  border-radius: var(--r-lg);
  padding: 0;
  max-width: 640px;
  width: 92vw;
}
dialog .dlg-head {
  background: var(--navy);
  color: #fff;
  padding: 18px 22px;
}
dialog .dlg-body {
  padding: 20px 22px;
  max-height: 70vh;
  overflow: auto;
}
dialog .dlg-head h2 {
  color: #fff;
  margin: 0;
}
@media print {
  .tabs,
  .actions,
  header.top .privacy {
    display: none;
  }
  body {
    background: #fff;
  }
  .card {
    box-shadow: none;
    page-break-inside: avoid;
  }
}