:root {
  --tea-navy: #00224b;
  --tea-slate: #0f172a;
  --tea-slate-muted: #13355f;
  --tea-primary: #1a73e8;
  --tea-primary-dark: #1558b0;
  --tea-border: #ccd6e0;
  --tea-surface: #fff;
  --tea-radius: 10px;
  --tea-card-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  --tea-focus-ring: 0 0 0 3px rgba(26, 115, 232, 0.18);
  --tea-text-size: 0.85rem;
}

.form-label {
  font-size: var(--tea-text-size);
  color: var(--tea-slate);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  font-family: inherit;
  font-size: var(--tea-text-size);
  border-radius: var(--tea-radius);
  border: 1px solid var(--tea-border);
  background: var(--tea-surface);
  padding: 0.55rem 0.75rem;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus-visible,
.form-control:focus {
  outline: none;
  border-color: var(--tea-primary);
  box-shadow: var(--tea-focus-ring);
}

.form-control[aria-invalid='true'] {
  border-color: #d93025;
  box-shadow: 0 0 0 3px rgba(217, 48, 37, 0.14);
}

.btn {
  font-size: var(--tea-text-size);
  font-weight: 600;
  border: none;
  border-radius: var(--tea-radius);
  padding: 0.65rem 1.15rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--tea-primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #f8f9fb;
  color: var(--tea-slate);
  border: 1px solid var(--tea-border);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: #f1f3f7;
}

.card-shell {
  background: var(--tea-surface);
  border-radius: 14px;
  box-shadow: var(--tea-card-shadow);
}