/* Report Card Comment Builder — styles (adapted from the Zunmao Tools base) */
:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --ink: #1c2433;
  --muted: #5d6b82;
  --line: #e3e8f0;
  --brand: #1a56db;
  --brand-dark: #1443ad;
  --ok: #0e7c3e;
  --warn: #9a6a00;
  --warn-bg: #fff7e0;
  --err: #b4232a;
  --err-bg: #fdecec;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}
.wrap { max-width: 980px; margin: 0 auto; padding: 0 18px; }

/* top bar */
.topbar { background: #101828; color: #fff; position: sticky; top: 0; z-index: 50; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 18px; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand .logo { font-size: 30px; }
.brand strong { font-size: 18px; display: block; line-height: 1.2; }
.brand .tagline { font-size: 12px; color: #b8c2d4; display: block; }

/* cards */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  margin: 22px 0;
  box-shadow: 0 1px 3px rgba(16, 24, 40, .06);
}
.hero h1 { margin: 0 0 10px; font-size: 28px; letter-spacing: -0.02em; }
.hero p { margin: 8px 0; }
h2 { font-size: 20px; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
h3 { font-size: 15px; margin: 0 0 8px; }
.step {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--brand); color: #fff; font-size: 15px; font-weight: 700;
}
.muted { color: var(--muted); }
.small { font-size: 13px; }
.disclaimer-inline { font-size: 13px; color: var(--warn); font-weight: 600; }
.privacy-badge {
  background: #eef4ff; border: 1px solid #c9dcff; border-radius: 8px;
  padding: 10px 14px; font-size: 14px;
}

/* forms */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.grid4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 10px; }
label { display: block; font-size: 14px; font-weight: 600; }
input, select, textarea {
  width: 100%; margin-top: 6px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 8px; font-size: 15px;
  background: #fff; color: var(--ink); font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); border-color: var(--brand); }
textarea { resize: vertical; min-height: 90px; line-height: 1.5; }
.field-errors { color: var(--err); font-size: 14px; margin: 10px 0 0; }
.field-errors:empty { display: none; }
.hint { font-weight: 400; font-size: 12px; color: var(--muted); display: block; margin-top: 4px; }
code.ph { background: #eef1f6; padding: 1px 6px; border-radius: 4px; font-size: 12px; }

/* buttons */
.btn {
  display: inline-block; border: 1px solid var(--line); background: #fff; color: var(--ink);
  border-radius: 8px; padding: 10px 18px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }
.btn-ghost { background: transparent; }
.btn-pro { background: #f59e0b; border-color: #f59e0b; color: #1c2433; text-decoration: none; }
.btn-pro:hover { background: #d97706; color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-danger { color: var(--err); }
.btn-danger:hover { border-color: var(--err); color: var(--err); }
.row { display: flex; align-items: center; }
.gap { gap: 10px; margin-top: 14px; }
.wrap-row { flex-wrap: wrap; }
.space-between { justify-content: space-between; }

/* bank browser */
.bank-item {
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
  margin: 8px 0; font-size: 14px; background: #fafcff;
}
.bank-item .actions { margin-top: 8px; display: flex; gap: 8px; }
.bank-count { font-size: 13px; color: var(--muted); margin: 8px 0; }

/* roster */
.roster-row {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px;
  margin: 8px 0; font-size: 14px; background: #fff;
}
.roster-row .who { flex: 1; }
.pronoun-badge {
  font-size: 12px; font-weight: 700; background: #eef4ff; color: var(--brand);
  border-radius: 12px; padding: 2px 10px; white-space: nowrap;
}
.grade-badge { font-size: 12px; color: var(--muted); }
.roster-empty { color: var(--muted); font-size: 14px; padding: 8px 0; }

/* student cards */
.student-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; margin: 16px 0; background: #fff;
}
.student-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.student-head .sname { font-size: 17px; font-weight: 700; flex: 1; min-width: 140px; }
.student-head select { width: auto; margin-top: 0; }
.rating-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 10px; margin: 10px 0; }
.rating-grid label { font-size: 12px; }
.char-row { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; font-size: 13px; }
.char-count { color: var(--muted); }
.char-count.over { color: var(--err); font-weight: 700; }
.over-note { color: var(--err); font-size: 12px; font-weight: 600; }

/* faq */
.faq-item { margin: 14px 0; }
.faq-item h3 { margin-bottom: 4px; }
.faq-item p { margin: 4px 0; font-size: 14px; color: var(--ink); }

/* paywall overlay */
.overlay {
  position: fixed; inset: 0; background: rgba(16, 24, 40, .55);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; padding: 20px;
}
.overlay[hidden] { display: none; }
.overlay-card {
  background: #fff; border-radius: 16px; padding: 30px;
  max-width: 460px; width: 100%; text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .25);
}
.overlay-card h3 { font-size: 20px; margin: 0 0 10px; }
.overlay-card p { color: var(--muted); font-size: 14px; margin: 8px 0 18px; }
.overlay-card .btn, .overlay-card a.btn { display: block; width: 100%; margin: 8px 0; text-decoration: none; }

/* footer */
.footer { padding: 10px 0 40px; font-size: 14px; }
.footer p { margin: 8px 0; }

/* toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #101828; color: #fff; padding: 12px 20px; border-radius: 10px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  max-width: 90vw; z-index: 300;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--err); }

@media (max-width: 760px) {
  .grid2, .grid3, .grid4, .rating-grid { grid-template-columns: 1fr 1fr; }
  .card { padding: 18px; }
  .hero h1 { font-size: 23px; }
  .topbar-inner { padding: 10px 14px; }
}
@media (max-width: 480px) {
  .grid4, .rating-grid { grid-template-columns: 1fr; }
}