/* Week 5 - Turn 1 - Mã đề H: Đặt lịch chụp ảnh dịch vụ */
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", Arial, sans-serif; background: #f8fafc; color: #0f172a; }
header.trang-header { background: #334155; color: #ffffff; padding: 22px 28px; }
header.trang-header h1 { margin: 0 0 6px; font-size: 1.5rem; }
header.trang-header p { margin: 0; color: #cbd5e1; }
nav.dieu-huong-nho { padding: 10px 28px; background: #e2e8f0; }
nav.dieu-huong-nho a { color: #334155; margin-right: 14px; text-decoration: none; font-weight: 600; }
nav.dieu-huong-nho a:hover { text-decoration: underline; }
main { max-width: 980px; margin: 0 auto; padding: 24px 20px 48px; }
figure.banner-studio {
  margin: 0 0 22px; background: #ffffff; border: 1px solid #cbd5e1; border-radius: 8px; padding: 18px 22px;
}
figure.banner-studio figcaption h2 { color: #1e293b; margin: 0 0 6px; font-size: 1.3rem; }
figure.banner-studio figcaption p { margin: 0; color: #475569; }
article.giai-trinh-studio {
  background: #ffffff; border: 1px solid #cbd5e1; border-radius: 8px; padding: 18px 22px; margin-bottom: 22px;
}
article.giai-trinh-studio h2 { color: #1e293b; margin-top: 0; }
form.form-dang-ky { background: #ffffff; border: 1px solid #cbd5e1; border-radius: 10px; padding: 22px; margin-bottom: 22px; }
.khung-moodboard { display: flex; flex-wrap: wrap; gap: 20px; }
fieldset.nhom-khach-chup, fieldset.nhom-goi-chup, fieldset.nhom-tone-art {
  flex: 1 1 280px; border: 1px solid #94a3b8; border-radius: 8px; padding: 16px; margin: 0;
}
legend { font-weight: bold; color: #1e293b; padding: 0 8px; }
.truong-anh { margin-bottom: 12px; display: flex; flex-direction: column; }
.truong-anh label { margin-bottom: 5px; font-weight: 600; font-size: 0.9rem; }
.truong-anh input, .truong-anh textarea {
  padding: 8px 10px; border: 1px solid #cbd5e1; border-radius: 6px; font-family: inherit; font-size: 0.95rem;
}
.truong-anh input[type="range"] { padding: 0; cursor: pointer; }
.truong-anh input[type="color"] { padding: 2px; height: 38px; cursor: pointer; }
.truong-anh input:focus, .truong-anh textarea:focus {
  outline: none; border-color: #334155; box-shadow: 0 0 0 3px rgba(51, 65, 85, 0.25); background: #f1f5f9;
}
.nhom-radio, .nhom-checkbox { margin-bottom: 12px; display: flex; flex-direction: column; gap: 6px; }
.nhom-radio span, .nhom-checkbox span { font-weight: 600; font-size: 0.9rem; margin-bottom: 4px; }
.nhom-radio label, .nhom-checkbox label { font-weight: normal; font-size: 0.9rem; display: flex; align-items: center; gap: 6px; cursor: pointer; }
.nhom-radio input, .nhom-checkbox input { cursor: pointer; }
.nhom-radio input:focus, .nhom-checkbox input:focus { outline: 2px solid #334155; }
footer.studio-footer-form {
  margin-top: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px;
}
footer.studio-footer-form p.ban-quyen { margin: 0; font-size: 0.85rem; color: #64748b; }
.nut-gui {
  background: #334155; color: #ffffff; border: none; padding: 12px 28px;
  border-radius: 6px; font-size: 1rem; font-weight: 600; cursor: pointer;
}
.nut-gui:hover { background: #1e293b; }
.nut-gui:focus { outline: 3px solid #94a3b8; outline-offset: 2px; }
table.bang-giai-trinh { width: 100%; border-collapse: collapse; }
table.bang-giai-trinh th, table.bang-giai-trinh td { border: 1px solid #cbd5e1; padding: 9px 12px; text-align: left; font-size: 0.9rem; }
table.bang-giai-trinh th { background: #334155; color: #ffffff; }
table.bang-giai-trinh tr:nth-child(even) td { background: #f8fafc; }
footer.trang-footer { text-align: center; padding: 16px; color: #334155; font-size: 0.85rem; }