:root {
  --bg: #f3f5f7;
  --surface: #ffffff;
  --ink: #1a2330;
  --muted: #5c6b7a;
  --line: #d8e0e8;
  --primary: #1e4d6b;
  --primary-hover: #163a51;
  --accent: #c9852a;
  --accent-soft: #f7efe3;
  --success: #1f6b4a;
  --success-soft: #e8f5ef;
  --badge: #6b3d5c;
  --badge-soft: #f3e8ef;
  --star: #c9852a;
  --shadow: 0 8px 28px rgba(26, 35, 48, 0.07);
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font);
  line-height: 1.55;
}

img { display: block; max-width: 100%; }

.demo-note {
  background: #122538;
  color: #e8d9b0;
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  padding: 0.55rem 1rem;
}

.site-header {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(6px);
}

.header-inner,
.wrap {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.75rem;
  gap: 1rem;
}

.wordmark strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.wordmark span {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.1rem;
}

.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-inner { width: min(720px, calc(100% - 2rem)); margin: 0 auto; }

.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 1.5rem 0 1.25rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.steps span {
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}

.steps span.is-active {
  color: var(--primary);
  font-weight: 600;
  border-bottom-color: var(--primary);
}

.steps span.is-done {
  color: var(--success);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem 1.4rem 1.5rem;
}

.panel h1 {
  margin: 0 0 0.4rem;
  font-size: 1.45rem;
  line-height: 1.25;
}

.panel .lede {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .form-row.two {
    grid-template-columns: 1fr 1fr;
  }
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  font: inherit;
  background: #fff;
  color: var(--ink);
}

input:focus,
select:focus,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  background: #fff;
  cursor: pointer;
  user-select: none;
}

.chip input { margin: 0; }

.chip:has(input:checked) {
  border-color: var(--primary);
  background: #e8f1f6;
  color: var(--primary);
}

.radio-group {
  display: grid;
  gap: 0.5rem;
}

.radio-card {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  cursor: pointer;
  background: #fff;
}

.radio-card:has(input:checked) {
  border-color: var(--primary);
  background: #e8f1f6;
}

.radio-card strong {
  display: block;
  font-size: 0.9rem;
}

.radio-card span {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;
}

.btn {
  appearance: none;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover { background: var(--primary-hover); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}

.btn-ghost:hover { color: var(--ink); background: #fff; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.error {
  color: #8a2f2f;
  font-size: 0.85rem;
  margin-top: 0.75rem;
}

.tutor-list {
  display: grid;
  gap: 0.85rem;
}

.tutor-card {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.95rem;
  background: #fff;
}

@media (min-width: 560px) {
  .tutor-card {
    grid-template-columns: 72px 1fr auto;
    align-items: start;
  }
}

.tutor-card img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
}

@media (min-width: 560px) {
  .tutor-card img {
    width: 72px;
    height: 72px;
  }
}

.tutor-card h2 {
  margin: 0 0 0.15rem;
  font-size: 1.05rem;
}

.tutor-meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 0.45rem;
}

.tutor-blurb {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}

.pill {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #eef2f6;
  color: var(--muted);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}

.badge {
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border-radius: 6px;
}

.badge-atar {
  background: var(--accent-soft);
  color: #7a5410;
}

.badge-subject {
  background: var(--badge-soft);
  color: var(--badge);
}

.stars {
  color: var(--star);
  letter-spacing: 0.05em;
  font-size: 0.95rem;
  white-space: nowrap;
}

.stars span {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0;
  margin-top: 0.15rem;
}

.tutor-actions {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  align-items: stretch;
}

@media (min-width: 560px) {
  .tutor-actions {
    align-items: flex-end;
    min-width: 8.5rem;
  }
}

.calendar {
  display: grid;
  gap: 0.75rem;
}

.day-block {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  background: #fff;
}

.day-block h3 {
  margin: 0 0 0.55rem;
  font-size: 0.9rem;
}

.slots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.slot {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.slot.is-selected {
  border-color: var(--primary);
  background: #e8f1f6;
  color: var(--primary);
  font-weight: 600;
}

.summary-box {
  background: var(--success-soft);
  border: 1px solid #b7dfc9;
  border-radius: 10px;
  padding: 0.95rem 1rem;
  margin-bottom: 1.25rem;
}

.summary-box p { margin: 0.25rem 0; }

.email-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.email-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--line);
  background: #f7f9fb;
}

.email-tabs button {
  appearance: none;
  border: none;
  background: transparent;
  padding: 0.75rem 1rem;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.email-tabs button.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: #fff;
}

.email-body {
  padding: 1rem 1.1rem 1.2rem;
}

.email-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.email-meta strong { color: var(--ink); }

.email-subject {
  font-size: 1.05rem;
  font-weight: 650;
  margin: 0 0 0.75rem;
}

.email-copy {
  font-size: 0.92rem;
  white-space: pre-wrap;
}

.email-note {
  margin: 0.85rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.follow-up {
  margin-top: 1rem;
  border-top: 1px dashed var(--line);
  padding-top: 0.85rem;
}

.follow-up summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--primary);
}

.follow-up[open] summary { margin-bottom: 0.65rem; }

.empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
}

.loading {
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}

.selected-tutor-strip {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: #eef2f6;
  border-radius: 10px;
}

.selected-tutor-strip img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.selected-tutor-strip p {
  margin: 0;
  font-size: 0.9rem;
}

.selected-tutor-strip strong { display: block; }