:root {
  --ink: #232323;
  --paper: #F7F2E7;
  --paper-dark: #EDE5D3;
  --steel: #233238;
  --clay: #E0662B;
  --clay-dark: #C0501D;
  --forest: #1F4E3D;
  --gold: #D98E04;
  --line: #D8CFB8;
  --danger: #B23A3A;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Sarabun', sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--clay-dark);
}

/* ---- Navbar ---- */
.navbar {
  background: var(--steel);
  color: var(--paper);
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar .brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.navbar .nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar a {
  color: var(--paper);
  text-decoration: none;
  font-weight: 500;
}

.navbar a:hover {
  color: var(--gold);
}

/* ---- Layout ---- */
main {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

footer {
  text-align: center;
  padding: 1.25rem;
  color: var(--ink);
  opacity: 0.6;
  font-size: 0.85rem;
}

/* ---- Card / ticket ---- */
.card {
  background: var(--paper-dark);
  border: 1px solid var(--line);
  border-left: 6px solid var(--clay);
  border-radius: 6px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.card.status-open { border-left-color: var(--forest); }
.card.status-progress { border-left-color: var(--gold); }
.card.status-danger { border-left-color: var(--danger); }

.card h1, .card h2 {
  margin-top: 0;
}

/* ---- Form ---- */
.field {
  margin-bottom: 1.1rem;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.field input[type="text"],
.field input[type="tel"],
.field input[type="number"],
.field select,
.field textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
}

.field textarea {
  resize: vertical;
}

.field input[type="file"] {
  width: 100%;
  padding: 0.5rem 0;
  font-family: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--clay);
  outline-offset: 1px;
}

.hint {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 0.3rem;
}

.radio-group {
  display: flex;
  gap: 1.25rem;
}

.radio-group label {
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ---- Buttons ("กดได้จริง") ---- */
.btn {
  display: inline-block;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: 5px;
  border: 2px solid var(--ink);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  background: var(--clay);
  color: var(--paper);
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform 0.05s ease, box-shadow 0.05s ease;
}

.btn:hover {
  background: var(--clay-dark);
}

.btn:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--ink);
}

.btn.btn-secondary {
  background: var(--paper);
  color: var(--ink);
}

.btn.btn-block {
  display: block;
  width: 100%;
}

/* ---- Alerts ---- */
.alert {
  padding: 0.8rem 1rem;
  border-radius: 5px;
  margin-bottom: 1.1rem;
  font-weight: 500;
}

.alert-error {
  background: #F5DEDE;
  border: 1px solid var(--danger);
  color: var(--danger);
}

.alert-info {
  background: #E8F0EC;
  border: 1px solid var(--forest);
  color: var(--forest);
}

.otp-code {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.3rem;
  color: var(--clay-dark);
  background: var(--paper);
  border: 1px dashed var(--line);
  border-radius: 5px;
  padding: 0.6rem 1rem;
  text-align: center;
}

.stars {
  color: var(--gold);
  font-size: 1.2rem;
  letter-spacing: 0.1rem;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--forest);
  color: var(--paper);
}

.badge.tier-star {
  background: var(--gold);
}

.badge.tier-pro {
  background: var(--steel);
}