:root {
  --color-primary: #C1272D;
  --color-primary-hover: #a01f24;
  --color-bg: #FFF9EE;
  --color-bg-card-alt: #FFF3D6;
  --color-badge-yellow: #FFEFC2;
  --color-badge-red-bg: #FDEBEA;
  --color-dark: #2B2F36;
  --color-text-secondary: #5a5a52;
  --color-text-tertiary: #8a8a80;
  --color-text-body: #4a4a44;
  --color-border: #E8E2D4;
  --color-border-light: #F0E6D2;
  --color-accent-gold: #B98A00;
  --input-bg-readonly: #F7F4EB;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  font-family: 'Sarabun', sans-serif;
  color: var(--color-dark);
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
::placeholder { color: #9a9a92; }

.hidden { display: none !important; }

h1, h2 { font-family: 'Prompt', sans-serif; }

@keyframes floatHeart {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-8px) rotate(2deg); }
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border-light);
}
.header-left { display: flex; align-items: center; gap: 14px; }
.header-logo { width: 48px; height: 48px; object-fit: contain; border-radius: 6px; }
.header-titles { display: flex; flex-direction: column; line-height: 1.1; }
.header-th { font-family: 'Prompt', sans-serif; font-weight: 700; font-size: 18px; color: var(--color-dark); }
.header-en { font-size: 13px; color: var(--color-text-tertiary); }
.header-badge {
  font-family: 'Prompt', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-badge-red-bg);
  padding: 8px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #FFF3D6 0%, #FFF9EE 70%);
}
.hero-heart {
  position: absolute;
  top: -40px;
  right: 24px;
  font-size: 110px;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
  animation: floatHeart 6s ease-in-out infinite;
}
.hero-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 72px 32px 56px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-block;
  font-family: 'Prompt', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--color-accent-gold);
  background: var(--color-badge-yellow);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.hero h1 {
  font-weight: 700;
  font-size: 44px;
  line-height: 1.25;
  margin: 0 0 16px;
  color: var(--color-dark);
}
.hero h1 .accent { color: var(--color-primary); }
.hero-desc {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0 0 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Prompt', sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: #fff;
  background: var(--color-primary);
  padding: 14px 32px;
  border-radius: 100px;
  box-shadow: 0 8px 20px rgba(193, 39, 45, 0.25);
  border: none;
  cursor: pointer;
}
.cta-btn:hover { background: var(--color-primary-hover); color: #fff; }
.tech-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 28px;
}
.tech-chip {
  font-family: 'Prompt', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: #fff;
  border: 1px solid var(--color-border-light);
  padding: 6px 14px;
  border-radius: 100px;
}

/* Job details */
.job-details {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 32px 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.card {
  background: #fff;
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}
.card-title {
  font-family: 'Prompt', sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 14px;
}
.card ul {
  margin: 0;
  padding-left: 20px;
  line-height: 2;
  font-size: 15px;
  color: var(--color-text-body);
}

/* Shared section wrap */
.section-wrap { max-width: 900px; margin: 0 auto 20px; padding: 0 32px; }
.section-wrap--tight { margin-bottom: 8px; }

.note-card {
  background: var(--color-bg-card-alt);
  border-radius: 20px;
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.note-icon { font-size: 24px; line-height: 1; }
.note-title { font-family: 'Prompt', sans-serif; font-weight: 600; font-size: 15.5px; color: var(--color-dark); margin-bottom: 6px; }
.note-desc { font-size: 14.5px; line-height: 1.7; color: var(--color-text-secondary); }

.dark-card {
  background: var(--color-dark);
  border-radius: 20px;
  padding: 28px 32px;
  color: #fff;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.dark-card-icon { font-size: 28px; line-height: 1; }
.dark-card-title { font-family: 'Prompt', sans-serif; font-weight: 600; font-size: 16px; margin-bottom: 6px; }
.dark-card-desc { font-size: 14.5px; line-height: 1.7; color: #d8d8d2; }

/* Application section */
.apply-section { max-width: 640px; margin: 0 auto; padding: 56px 32px 96px; }
.apply-head { text-align: center; margin-bottom: 32px; }
.apply-section h2 { font-weight: 700; font-size: 28px; margin: 0 0 8px; color: var(--color-dark); }

.signin-card {
  background: #fff;
  border-radius: 24px;
  padding: 48px 36px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}
.signin-title { font-family: 'Prompt', sans-serif; font-weight: 600; font-size: 17px; color: var(--color-dark); margin-bottom: 8px; }
.signin-desc { font-size: 14px; color: var(--color-text-tertiary); margin-bottom: 24px; }
.google-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Prompt', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-dark);
  background: #fff;
  border: 1.5px solid var(--color-border);
  padding: 12px 24px;
  border-radius: 12px;
  cursor: pointer;
}
.google-btn:hover { background: #FAF7EF; }

.session-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border-radius: 16px;
  padding: 14px 18px;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.session-avatar {
  width: 32px;
  height: 32px;
  border-radius: 100px;
  background: var(--color-badge-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
  overflow: hidden;
}
.session-avatar img { width: 100%; height: 100%; border-radius: 100px; object-fit: cover; display: block; }
.session-text { font-size: 14px; color: var(--color-text-secondary); flex: 1; min-width: 0; }
.session-text b { color: var(--color-dark); }
.session-name { font-family: 'Prompt', sans-serif; font-weight: 600; font-size: 14.5px; color: var(--color-dark); margin-bottom: 2px; }
.signout-btn {
  font-family: 'Prompt', sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: var(--color-text-secondary);
  background: #fff;
  border: 1.5px solid var(--color-border);
  padding: 8px 14px;
  border-radius: 100px;
  cursor: pointer;
  flex-shrink: 0;
}
.signout-btn:hover { color: var(--color-primary); border-color: var(--color-primary); }

.apply-form {
  background: #fff;
  border-radius: 24px;
  padding: 36px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-family: 'Prompt', sans-serif; font-size: 13.5px; font-weight: 600; color: var(--color-text-body); }
.field input,
.field select,
.field textarea,
.apply-form input[type="file"] {
  border: 1.5px solid var(--color-border);
  border-radius: 12px;
  padding: 11px 14px;
  font-size: 14.5px;
  font-family: 'Sarabun', sans-serif;
  outline: none;
  width: 100%;
  background: #fff;
  color: var(--color-dark);
}
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--color-primary); }
.field input[readonly] { background: var(--input-bg-readonly); color: var(--color-text-tertiary); }
.field textarea { min-height: 90px; resize: vertical; }

.divider { height: 1px; background: var(--color-border-light); margin: 6px 0; }
.section-label { font-family: 'Prompt', sans-serif; font-size: 13.5px; font-weight: 600; color: var(--color-primary); }

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border-light);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
}
.consent input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--color-primary); flex-shrink: 0; }
.consent span { font-size: 13.5px; line-height: 1.6; color: var(--color-text-secondary); }

.file-input { padding: 9px 14px !important; font-size: 14px !important; background: #FFFDF8 !important; }
.file-list { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.file-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #FFFDF8;
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  padding: 8px 12px;
}
.file-chip-name {
  font-size: 13px;
  color: var(--color-text-body);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-chip-remove {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0 4px;
  flex-shrink: 0;
}
.file-chip-remove:hover { color: var(--color-primary-hover); }

.submit-btn {
  margin-top: 10px;
  font-family: 'Prompt', sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: #fff;
  background: var(--color-primary);
  border: none;
  padding: 15px;
  border-radius: 14px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(193, 39, 45, 0.25);
}
.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.success-card {
  background: #fff;
  border-radius: 24px;
  padding: 56px 36px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}
.success-emoji { font-size: 52px; margin-bottom: 14px; }
.success-title { font-family: 'Prompt', sans-serif; font-weight: 700; font-size: 22px; color: var(--color-dark); margin-bottom: 8px; }
.success-desc { font-size: 15px; color: var(--color-text-tertiary); line-height: 1.7; }

/* Footer */
.site-footer {
  text-align: center;
  padding: 24px;
  font-size: 13px;
  color: #b0b0a6;
  background: #fff;
  border-top: 1px solid var(--color-border-light);
}

/* Responsive */
@media (max-width: 720px) {
  .site-header { padding: 16px 20px; }
  .hero-inner { padding: 56px 20px 40px; }
  .hero h1 { font-size: 32px; }
  .job-details { grid-template-columns: 1fr; padding: 16px 20px 48px; }
  .section-wrap { padding: 0 20px; }
  .apply-section { padding: 40px 20px 72px; }
  .form-row-2 { grid-template-columns: 1fr; }
  .apply-form { padding: 24px; }
  .header-badge { font-size: 12px; padding: 6px 12px; }
}