/* ─── Travel Booking System – Form Styles ─────────────────────── */
:root {
  --tbs-primary: #1a56db;
  --tbs-primary-dark: #1e429f;
  --tbs-accent: #ff6b35;
  --tbs-green: #10b981;
  --tbs-red: #ef4444;
  --tbs-border: #e5e7eb;
  --tbs-bg: #f9fafb;
  --tbs-radius: 12px;
  --tbs-radius-sm: 8px;
}

.tbs-wrapper {
  max-width: 840px;
  margin: 0 auto;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ─── Progress Bar ───────────────────────────────────────────── */
.tbs-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 40px;
  padding: 24px 0;
}
.tbs-progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: default;
}
.tbs-step-circle {
  width: 44px; height: 44px; border-radius: 50%;
  border: 2px solid var(--tbs-border);
  background: #fff; color: #9ca3af;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem;
  transition: all 0.3s;
}
.tbs-step-label {
  font-size: 0.78rem; color: #9ca3af; font-weight: 500;
  white-space: nowrap; transition: color 0.3s;
}
.tbs-progress-line {
  flex: 1; height: 2px; background: var(--tbs-border);
  margin: 0 8px 22px; max-width: 80px;
  transition: background 0.3s;
}
.tbs-progress-step.active .tbs-step-circle {
  background: var(--tbs-primary); border-color: var(--tbs-primary);
  color: #fff; box-shadow: 0 4px 12px rgba(26,86,219,.3);
}
.tbs-progress-step.active .tbs-step-label { color: var(--tbs-primary); font-weight: 600; }
.tbs-progress-step.done .tbs-step-circle {
  background: var(--tbs-green); border-color: var(--tbs-green); color: #fff;
}
.tbs-progress-step.done .tbs-step-label { color: var(--tbs-green); }
.tbs-progress-line.done { background: var(--tbs-green); }

/* ─── Form Card ──────────────────────────────────────────────── */
.tbs-form {
  background: #fff;
  border: 1.5px solid var(--tbs-border);
  border-radius: var(--tbs-radius);
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}

/* ─── Panels ─────────────────────────────────────────────────── */
.tbs-panel { display: none; animation: tbsFadeIn .3s ease; }
.tbs-panel.active { display: block; }
@keyframes tbsFadeIn { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:none; } }
.tbs-panel-title {
  font-family: 'Poppins', sans-serif; font-size: 1.2rem; font-weight: 700;
  color: #111827; margin-bottom: 28px;
}

/* ─── Service Grid ───────────────────────────────────────────── */
.tbs-service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 4px;
}
.tbs-service-option { cursor: pointer; }
.tbs-service-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.tbs-service-card {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 20px 12px;
  border: 2px solid var(--tbs-border); border-radius: var(--tbs-radius-sm);
  transition: all 0.2s; text-align: center; font-size: 0.875rem; font-weight: 500;
  background: var(--tbs-bg); color: #374151;
}
.tbs-service-card:hover { border-color: var(--tbs-primary); background: #eff6ff; }
.tbs-service-option input:checked + .tbs-service-card {
  border-color: var(--tbs-primary); background: #eff6ff;
  box-shadow: 0 0 0 3px rgba(26,86,219,.15);
  color: var(--tbs-primary); font-weight: 600;
}
.tbs-service-icon { font-size: 1.8rem; }

/* ─── Fields ─────────────────────────────────────────────────── */
.tbs-row { display: flex; gap: 20px; margin-bottom: 20px; }
.tbs-field { flex: 1; display: flex; flex-direction: column; margin-bottom: 20px; }
.tbs-field:last-child { margin-bottom: 0; }
.tbs-field label {
  font-size: 0.85rem; font-weight: 600; color: #374151;
  margin-bottom: 6px;
}
.tbs-field input[type="text"],
.tbs-field input[type="email"],
.tbs-field input[type="tel"],
.tbs-field input[type="date"],
.tbs-field input[type="number"],
.tbs-field select,
.tbs-field textarea {
  border: 1.5px solid var(--tbs-border); border-radius: var(--tbs-radius-sm);
  padding: 10px 14px; font-size: 0.95rem; color: #111827;
  background: var(--tbs-bg); outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.tbs-field input:focus,
.tbs-field select:focus,
.tbs-field textarea:focus {
  border-color: var(--tbs-primary); background: #fff;
  box-shadow: 0 0 0 3px rgba(26,86,219,.1);
}
.tbs-field input.invalid, .tbs-field select.invalid, .tbs-field textarea.invalid {
  border-color: var(--tbs-red); box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

/* ─── Counter ────────────────────────────────────────────────── */
.tbs-counter {
  display: flex; align-items: center;
  border: 1.5px solid var(--tbs-border); border-radius: var(--tbs-radius-sm);
  background: var(--tbs-bg); overflow: hidden;
}
.counter-btn {
  width: 40px; height: 42px; background: none; border: none;
  font-size: 1.2rem; cursor: pointer; color: var(--tbs-primary); font-weight: 700;
  transition: background 0.2s;
}
.counter-btn:hover { background: #eff6ff; }
.tbs-counter input[type="number"] {
  flex: 1; border: none; text-align: center; font-weight: 600;
  background: transparent; box-shadow: none; padding: 0;
}
.tbs-counter input[type="number"]:focus { box-shadow: none; border: none; }

/* ─── Checkbox ───────────────────────────────────────────────── */
.tbs-checkbox-label {
  display: flex; gap: 10px; align-items: flex-start; cursor: pointer; font-size: 0.875rem; color: #374151;
}
.tbs-checkbox-label input { margin-top: 3px; flex-shrink: 0; width: 16px; height: 16px; cursor: pointer; accent-color: var(--tbs-primary); }

/* ─── Errors ─────────────────────────────────────────────────── */
.tbs-error { font-size: 0.78rem; color: var(--tbs-red); margin-top: 4px; min-height: 16px; }
.tbs-form-error {
  background: #fef2f2; border: 1.5px solid #fca5a5; border-radius: var(--tbs-radius-sm);
  padding: 14px 18px; color: #991b1b; font-size: 0.875rem; margin-top: 16px;
}

/* ─── Navigation ─────────────────────────────────────────────── */
.tbs-nav {
  display: flex; align-items: center; gap: 16px;
  margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--tbs-border);
}
.tbs-btn-back {
  padding: 12px 24px; background: none; border: 1.5px solid var(--tbs-border);
  border-radius: var(--tbs-radius-sm); font-size: 0.9rem; font-weight: 600;
  color: #374151; cursor: pointer; transition: all 0.2s;
}
.tbs-btn-back:hover { border-color: var(--tbs-primary); color: var(--tbs-primary); }
.tbs-btn-next,
.tbs-btn-submit {
  padding: 14px 32px; background: var(--tbs-primary); color: #fff;
  border: none; border-radius: var(--tbs-radius-sm);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  transition: background 0.2s; display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none;
}
.tbs-btn-next:hover, .tbs-btn-submit:hover { background: var(--tbs-primary-dark); }
.tbs-btn-submit[disabled] { opacity: 0.7; cursor: not-allowed; }

/* ─── Success Screen ─────────────────────────────────────────── */
.tbs-success {
  background: #fff; border: 1.5px solid var(--tbs-border); border-radius: var(--tbs-radius);
  padding: 48px 40px; text-align: center; box-shadow: 0 4px 24px rgba(0,0,0,.06);
}

/* Animated checkmark */
.tbs-check-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}
.tbs-confetti-holder {
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 320px; height: 10px;
  pointer-events: none; overflow: visible; z-index: 0;
}
.tbs-confetti-piece {
  position: absolute;
  top: 0;
  border-radius: 3px;
  animation: tbsConfDrop 1.5s ease-in forwards;
}
@keyframes tbsConfDrop {
  0%   { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(320px) rotate(720deg); opacity: 0; }
}
.tbs-check-circle { width: 90px; height: 90px; position: relative; z-index: 1; }
.tbs-check-svg    { width: 90px; height: 90px; }
.tbs-check-ring {
  stroke: var(--tbs-green); stroke-width: 2;
  stroke-dasharray: 166; stroke-dashoffset: 166;
  animation: tbsRing 0.7s cubic-bezier(0.65,0,0.45,1) forwards;
}
.tbs-check-tick {
  stroke: var(--tbs-green); stroke-width: 3.5;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 48; stroke-dashoffset: 48;
  animation: tbsTick 0.4s 0.55s cubic-bezier(0.65,0,0.45,1) forwards;
}
@keyframes tbsRing { to { stroke-dashoffset: 0; } }
@keyframes tbsTick { to { stroke-dashoffset: 0; } }

.tbs-success h2 {
  font-size: 1.8rem; margin-bottom: 12px; color: #111827;
  animation: tbsFadeUp 0.4s 0.65s both;
}
.tbs-success-main  { font-size: 1.05rem; color: #374151; margin-bottom: 20px; animation: tbsFadeUp 0.4s 0.75s both; }
.tbs-success-details {
  background: var(--tbs-bg); border-radius: var(--tbs-radius-sm);
  padding: 20px 24px; text-align: left; margin: 20px 0;
  font-size: 0.875rem; color: #374151; display: inline-block; min-width: 300px;
  animation: tbsFadeUp 0.4s 0.85s both;
}
.tbs-success-details p { margin: 4px 0; }
.tbs-success-sub    { color: #6b7280; font-size: 0.9rem; max-width: 500px; margin: 0 auto 28px; animation: tbsFadeUp 0.4s 0.9s both; }
.tbs-success-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; animation: tbsFadeUp 0.4s 1s both; }
@keyframes tbsFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

.tbs-btn-wa {
  padding: 14px 28px; background: #25d366; color: #fff;
  border-radius: var(--tbs-radius-sm); font-weight: 600;
  text-decoration: none; transition: background 0.2s; display: inline-flex; align-items: center; gap: 8px;
}
.tbs-btn-wa:hover { background: #128c7e; color: #fff; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .tbs-form { padding: 24px 16px; }
  .tbs-service-grid { grid-template-columns: repeat(2, 1fr); }
  .tbs-row { flex-direction: column; gap: 0; }
  .tbs-nav { flex-wrap: wrap; }
  .tbs-btn-next, .tbs-btn-submit { width: 100%; justify-content: center; }
  .tbs-step-label { font-size: 0.7rem; }
  .tbs-progress-line { max-width: 40px; }
  .tbs-success { padding: 32px 20px; }
}
@media (max-width: 400px) {
  .tbs-service-grid { grid-template-columns: 1fr 1fr; }
  .tbs-step-label { display: none; }
}