:root {
  --blue-deep: #0a2463;
  --blue-mid: #1e4db7;
  --blue-bright: #2563eb;
  --blue-light: #dbeafe;
  --blue-pale: #eff6ff;
  --orange: #056c7a;
  --orange-deep: #2553d3;
  --orange-light: #056c7a;
  --gold: #2d4d8d;
  --navy: #1a2a4a;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #ff3f39;
  --text-main: hsl(222, 100%, 13%);
  --radius: 16px;
  --shadow: 0 4px 24px rgba(10,36,99,0.10);
  --shadow-lg: 0 8px 48px rgba(10,36,99,0.16);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Kanit', sans-serif;
  background: var(--blue-pale);
  color: var(--text-main);
  min-height: 100vh;
  padding-bottom: 60px;
}

/* ─── HEADER ─── */
.header {
  background: url('pic/thumpageweb.jpg') center center / cover no-repeat;
  color: #ffffff;
  padding: 28px 24px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.header::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(27, 11, 0, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(37,99,235,0.3) 0%, transparent 50%);
  pointer-events: none;
}
.header-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}
.header-logo {
  width: 120px; height: 120px;
  object-fit: cover;
  display: block;
  margin: 0 auto 14px;
  position: relative; z-index: 1;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}
.header-logosub {
  width: 400px; height: auto;
  object-fit: cover;
  display: block;
  margin:  -70px auto 14px ;
  position: relative; z-index: 1;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}


/* ─── CONTAINER ─── */
.container { max-width: 700px; margin: 0 auto; padding: 28px 16px 0; }

/* ─── CARD ─── */
.card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1.5px solid var(--blue-light);
  padding: 20px 24px; margin-bottom: 18px; transition: box-shadow 0.3s;
}
.card:hover { box-shadow: var(--shadow-lg); }
.card-title {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Kanit', sans-serif;
  font-size: 1.05rem; font-weight: 700; color: var(--blue-deep);
  margin-bottom: 22px; padding-bottom: 14px;
  border-bottom: 2px solid var(--blue-light);
}
.card-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}

/* ─── FORM ELEMENTS ─── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-row.full { grid-template-columns: 1fr; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: .98rem; font-weight: 700; color: var(--gray-600);
  letter-spacing: .05em; text-transform: uppercase;
}
.field label span.req { color: var(--orange); margin-left: 2px; }

.field input, .field select {
  font-family: 'Kanit', sans-serif; font-size: .97rem; color: var(--text-main);
  background: #f8fafc; border: 1.5px solid #e2e8f0;
  border-radius: var(--radius); /* 👈 แก้ไขบรรทัดนี้จาก 10px เป็น var(--radius) */
  padding: 11px 14px; outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
  width: 100%; appearance: none;
}
.field input:focus, .field select:focus {
  border-color: var(--blue-bright);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
  background: #fff;
}
.field input::placeholder { color: #94a3b8; }

.select-wrap { position: relative; }
.select-wrap::after {
  content: '▾'; position: absolute; right: 13px; top: 50%;
  transform: translateY(-50%); font-size: .9rem; color: var(--orange);
  pointer-events: none;
}

.prefix-row { display: grid; grid-template-columns: 140px 1fr; gap: 14px; margin-bottom: 14px; }
@media (max-width: 400px) { .prefix-row { grid-template-columns: 1fr; } }

/* ─── SUBMIT BUTTON ─── */
.btn-submit {
  font-family: 'Kanit', sans-serif; font-size: 1.05rem; font-weight: 700;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  color: #fff; border: none; border-radius: 12px; padding: 15px 32px;
  cursor: pointer; width: 100%; margin-top: 8px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: opacity .18s, transform .12s, box-shadow .18s;
  box-shadow: 0 6px 20px rgba(22, 120, 249, 0.4); letter-spacing: .04em;
}
.btn-submit:hover { opacity: .92; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(47, 134, 248, 0.555); }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ─── MODAL ─── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(10,36,99,.60);
  backdrop-filter: blur(6px); z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity .22s;
}
.modal-overlay.show { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white); border-radius: 20px; padding: 32px 28px;
  max-width: 440px; width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,.25);
  transform: scale(.93) translateY(10px);
  transition: transform .25s cubic-bezier(.34,1.56,.64,1);
}
.modal-overlay.show .modal { transform: scale(1) translateY(0); }
.modal h2 {
  font-family: 'Kanit', sans-serif; text-align: center;
  font-size: 1.2rem; font-weight: 700; color: var(--blue-deep); margin-bottom: 6px;
}
.modal p { text-align: center; font-size: .88rem; color: var(--gray-600); margin-bottom: 20px; line-height: 1.6; }
.modal-summary {
  background: #f8fafc; border-radius: 12px; padding: 16px 18px;
  margin-bottom: 22px; font-size: .88rem; line-height: 1.9;
  border: 1.5px solid var(--blue-light);
}
.modal-summary strong { color: var(--blue-mid); }
.modal-btns { display: flex; gap: 12px; }
.btn-cancel, .btn-confirm {
  font-family: 'Kanit', sans-serif; flex: 1; padding: 12px;
  border-radius: 10px; font-size: .95rem; cursor: pointer;
}
.btn-cancel {
  border: 1.5px solid #e2e8f0; background: transparent;
  color: var(--gray-600); font-weight: 600; transition: background .15s;
}
.btn-cancel:hover { background: #f1f5f9; }
.btn-confirm {
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  border: none; color: #fff; font-weight: 700; flex: 1.5;
  box-shadow: 0 4px 14px rgba(0, 114, 207, 0.35);
  transition: transform .15s, box-shadow .15s;
}
.btn-confirm:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(22, 128, 249, 0.911); }

/* ─── SUCCESS ─── */
.success-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); border: 1.5px solid var(--blue-light);
  padding: 48px 28px; text-align: center;
}
.success-icon {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, #2E7D32, #4CAF50);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem; margin: 0 auto 22px; color: white;
  box-shadow: 0 6px 24px rgba(46,125,50,.35);
}
.success-card h2 {
  font-family: 'Kanit', sans-serif;
  font-size: 1.4rem; font-weight: 700; color: var(--blue-deep); margin-bottom: 10px;
}
.success-card p { color: var(--gray-600); line-height: 1.7; margin-bottom: 4px; }
.btn-new {
  font-family: 'Kanit', sans-serif;
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 28px; padding: 13px 28px;
  background: linear-gradient(135deg, var(--blue-deep), var(--blue-mid));
  color: #fff; border: none; border-radius: 12px;
  font-weight: 700; cursor: pointer; text-decoration: none; font-size: 1rem;
  box-shadow: 0 4px 16px rgba(10,36,99,.30);
  transition: transform .15s, box-shadow .15s;
}
.btn-new:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(10,36,99,.40); }

/* ─── SPINNER ─── */
.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,.4);
  border-top-color: #fff; border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.footer {
  text-align: center; font-size: .78rem; color: var(--gray-600);
  margin-top: 36px; padding: 0 16px; line-height: 1.7;
}
.fade-in { animation: fadeUp .4s ease both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── LOADING OVERLAY ─── */
.loading-overlay {
  position: fixed; inset: 0; background: rgba(10,36,99,.60);
  backdrop-filter: blur(6px); z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .22s;
}
.loading-overlay.show { opacity: 1; pointer-events: all; }
.loading-content {
  background: var(--white); border-radius: 20px; padding: 32px 28px;
  max-width: 440px; width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,.25);
  text-align: center;
}
.loading-content .spinner {
  width: 40px; height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--orange); border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto 16px;
}
.loading-content p {
  color: var(--gray-600); font-size: 1rem; line-height: 1.6;
}
/* ─── UPLOAD BUTTON (TECH DEPT) ─── */
/* ─── เพิ่มเติมคลาสสำหรับปุ่มอัปโหลดผลงาน (เทคโนโลยี) ─── */
.btn-upload {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  background: var(--blue-pale); color: var(--blue-bright);
  border: 1.5px dashed var(--blue-bright); border-radius: var(--radius);
  padding: 12px 20px; text-decoration: none; font-weight: 600;
  transition: all 0.2s; margin-top: 8px; font-size: 0.95rem;
}
.btn-upload:hover {
  background: var(--blue-light); border-color: var(--blue-deep); color: var(--blue-deep);
  transform: translateY(-1px);
}

/* ─── อัปเดตขยายฟอร์มเอลิเมนต์ให้รองรับ Textarea ตอบยาว ─── */
.field input, .field select, .field textarea {
  font-family: 'Kanit', sans-serif; font-size: .97rem; color: var(--text-main);
  background: #f8fafc; border: 1.5px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 11px 14px; outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
  width: 100%; appearance: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--blue-bright);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
  background: #fff;
}
.field textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

/* ─── ส่วนตกแต่งกล่อง Checkbox คอนเฟิร์มก่อนส่งใน Modal ─── */
.confirm-checkbox-wrap {
  background: #fff7ed;
  border: 1.5px solid #ffedd5;
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 20px;
}
.chk-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--gray-700);
  line-height: 1.4;
  text-align: left;
}
.chk-label input[type="checkbox"] {
  appearance: checkbox !important;
  -webkit-appearance: checkbox !important;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  cursor: pointer;
  flex-shrink: 0;
}

/* จัดการกล่องครอบปุ่มใน Header */
.header-buttons-wrap {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-top: -10px;
  margin-bottom: 15px;
  position: relative;
  z-index: 5;
  flex-wrap: wrap; /* รองรับการแสดงผลบนจอมือถือขนาดเล็ก */
  padding: 0 16px;
}

/* สไตล์ปุ่มกดรายละเอียด */
.btn-info-trigger {
  font-family: 'Kanit', sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  color: #ffffff;
  background-color: #ff9b28; /* สีส้ม */
  border: 2px solid #ffffff;
  border-radius: 50px;
  padding: 8px 20px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

/* ปุ่มสีน้ำเงินสำหรับติดต่อสอบถามเพื่อความต่าง */
.btn-info-trigger.btn-contact {
  background-color: var(--blue-mid);
}

.btn-info-trigger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.22);
  filter: brightness(1.08);
}

.btn-info-trigger:active {
  transform: translateY(0);
}

/* ควบคุมขนาดกล่อง Modal เฉพาะข้อมูลแสดงรายละเอียด */
.info-modal-content {
  max-width: 450px !important;
  border-top: 6px solid var(--blue-bright);
}

/* ตกแต่งลิงก์เบอร์โทรศัพท์ให้กดในมือถือแล้วโทรออกได้เลย */
.info-modal-content a {
  color: var(--blue-bright);
  text-decoration: none;
  font-weight: 500;
}
.info-modal-content a:hover {
  text-decoration: underline;
}