/**
 * theme.css
 * -----------------------------------------------------------------------------
 * โทนภาพรวม: สว่าง โปร่ง ไม่ทึบ — พื้นหลังขาวนวล การ์ดขอบมน เงานุ่ม whitespace เยอะ
 * สี accent อ่านจากตัวแปร --brand-accent ซึ่งหน้าเว็บเซ็ตจาก Settings.brand_accent_color
 * ตัวอักษรรองรับไทย และคุมคอนทราสต์ให้ผ่าน WCAG AA
 */

:root {
  --brand-accent: #f5a623;
  --brand-accent-strong: #a45a00; /* ใช้กับข้อความบนพื้นสว่าง ให้คอนทราสต์ผ่าน AA */
  --surface-page: #fbfaf7;
  --surface-card: #ffffff;
  --border-soft: #ece7de;
  --text-primary: #23201b;
  --text-secondary: #5f5850;
  --text-error: #a3241c;
  --text-success: #1c6b3f;
  --shadow-soft: 0 1px 2px rgba(35, 32, 27, 0.04), 0 8px 24px rgba(35, 32, 27, 0.06);
  --shadow-lift: 0 2px 4px rgba(35, 32, 27, 0.06), 0 16px 36px rgba(35, 32, 27, 0.1);
  --radius-card: 18px;
  --radius-control: 12px;
  --page-max-width: 760px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

/* element ที่ตั้ง hidden ต้องถูกซ่อนเสมอ แม้คลาสของมันจะกำหนด display ไว้ */
[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: 'IBM Plex Sans Thai', 'Noto Sans Thai', 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---------- หัวเว็บ ---------- */

.site-header {
  background: var(--surface-card);
  border-bottom: 1px solid var(--border-soft);
}

.site-header-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-mark {
  font-size: 24px;
}

.site-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.site-tagline {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.language-toggle,
.back-link {
  margin-left: auto;
  border: 1px solid var(--border-soft);
  background: var(--surface-card);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 6px 14px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}

.back-link {
  margin-left: 0;
  padding: 4px 12px;
}

.language-toggle:hover,
.back-link:hover {
  border-color: var(--brand-accent);
  color: var(--brand-accent-strong);
}

/* ---------- โครงหน้า ---------- */

.page-main {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.site-footer {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  padding: 0 20px 32px;
}

.section-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

/* ---------- หน้าโหลด ---------- */

.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 56px 0;
}

.loading-text {
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- การ์ดฟอร์มบนหน้าแรก ---------- */

.forms-grid {
  display: grid;
  gap: 16px;
}

.form-card {
  display: block;
  background: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 22px;
  text-decoration: none;
  color: inherit;
}

.form-card-title {
  margin: 0 0 6px;
  font-size: 19px;
}

.form-card-description {
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: 15px;
}

.form-card-action {
  color: var(--brand-accent-strong);
  font-weight: 600;
  font-size: 15px;
}

.landing-message {
  background: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  padding: 22px;
  color: var(--text-secondary);
  text-align: center;
}

/* ---------- หน้าฟอร์ม ---------- */

.form-title {
  font-size: 24px;
  margin: 0 0 6px;
}

.form-description {
  color: var(--text-secondary);
  margin: 0 0 28px;
}

.calendar-section,
.booking-form,
.success-panel {
  background: var(--surface-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 22px;
  margin-bottom: 20px;
}

/* ---------- ปฏิทิน ---------- */

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.calendar-month-label {
  font-weight: 600;
}

.calendar-step-button {
  border: 1px solid var(--border-soft);
  background: var(--surface-card);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: var(--text-primary);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.calendar-weekday {
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  padding-bottom: 4px;
}

.calendar-cell {
  min-height: 56px;
  border-radius: var(--radius-control);
  border: 1px solid transparent;
  background: transparent;
  font: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 4px 2px;
  color: var(--text-primary);
}

.calendar-cell.is-blank {
  border: none;
}

.calendar-cell.is-closed {
  color: #b6afa5;
}

.calendar-cell.is-open {
  background: #fff8ec;
  border-color: var(--border-soft);
  cursor: pointer;
}

.calendar-cell.is-selected {
  border-color: var(--brand-accent);
  box-shadow: inset 0 0 0 1px var(--brand-accent);
  background: #fff1d9;
}

.calendar-day-number {
  font-size: 15px;
  font-weight: 600;
}

.calendar-slots {
  font-size: 11px;
  color: var(--brand-accent-strong);
}

.calendar-empty {
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- ช่องกรอก ---------- */

.fields-container {
  display: grid;
  gap: 18px;
}

.field-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

input[type='text'],
input[type='email'],
input[type='tel'],
input[type='number'],
input[type='date'],
input[type='password'],
select,
textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: #fffdfa;
  font: inherit;
  color: var(--text-primary);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--brand-accent-strong);
  outline-offset: 2px;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  cursor: pointer;
}

.checkbox-row input[type='checkbox'] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.radio-group {
  display: grid;
  gap: 8px;
}

.field-group.has-error input,
.field-group.has-error select,
.field-group.has-error textarea {
  border-color: var(--text-error);
}

.field-error {
  color: var(--text-error);
  font-size: 13px;
  margin: 6px 0 0;
}

/* ---------- PDPA / ปุ่ม / ข้อความสถานะ ---------- */

.pdpa-panel {
  margin-top: 20px;
  background: #fbf7f0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  padding: 14px 16px;
}

.pdpa-title {
  margin: 0 0 6px;
  font-size: 14px;
}

.pdpa-body {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.turnstile-container:not(:empty) {
  margin-top: 18px;
}

.primary-button,
.secondary-button {
  display: inline-block;
  margin-top: 18px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid var(--brand-accent);
  background: var(--brand-accent);
  color: #23201b;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.secondary-button {
  background: var(--surface-card);
  border-color: var(--border-soft);
  color: var(--text-primary);
}

.primary-button[disabled] {
  opacity: 0.6;
  cursor: progress;
}

.form-message {
  margin: 16px 0 0;
  font-size: 14px;
}

.form-message.is-error {
  color: var(--text-error);
}

.form-message.is-info {
  color: var(--text-secondary);
}

/* ---------- ผลสำเร็จ / หน้ายกเลิก ---------- */

.success-panel {
  text-align: center;
}

.success-check {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: #e7f5ec;
  color: var(--text-success);
  font-size: 30px;
  line-height: 56px;
}

.success-title {
  margin: 0 0 4px;
  font-size: 20px;
}

.success-code-label {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.success-code {
  margin: 4px 0 12px;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--brand-accent-strong);
}

.success-note {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ---------- จอเล็ก ---------- */

@media (max-width: 480px) {
  .page-main {
    padding: 20px 14px 48px;
  }
  .calendar-cell {
    min-height: 48px;
  }
  .success-code {
    font-size: 28px;
  }
}