/* ── TNT Metalcraft Quote Form ─────────────────────────────────────────── */

:root {
  --tnt-green:       #1a5c3a;
  --tnt-green-light: #e8f4ed;
  --tnt-green-mid:   #2e7d52;
  --tnt-border:      #d4e6db;
  --tnt-text:        #1f2d24;
  --tnt-muted:       #6b7c72;
  --tnt-bg:          #f8fbf9;
  --tnt-error:       #c0392b;
  --tnt-radius:      8px;
}

.tnt-quoter {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  max-width: 760px;
  margin: 0 auto;
  color: var(--tnt-text);
  font-size: 15px;
  line-height: 1.6;
}

/* ── Step indicator ──────────────────────────────────────────────────────── */
.tnt-steps {
  display: flex;
  align-items: center;
  margin-bottom: 32px;
  padding: 0 8px;
}
.tnt-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
}
.tnt-step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--tnt-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  background: #fff;
  color: var(--tnt-muted);
  transition: all .25s;
}
.tnt-step-label { font-size: 12px; color: var(--tnt-muted); white-space: nowrap; }
.tnt-step.active .tnt-step-num {
  background: var(--tnt-green); border-color: var(--tnt-green); color: #fff;
}
.tnt-step.active .tnt-step-label { color: var(--tnt-green); font-weight: 600; }
.tnt-step.completed .tnt-step-num {
  background: var(--tnt-green-light); border-color: var(--tnt-green); color: var(--tnt-green);
}
.tnt-step-divider {
  flex: 1;
  height: 2px;
  background: var(--tnt-border);
  margin: 0 8px;
  margin-bottom: 16px;
}

/* ── Panel ───────────────────────────────────────────────────────────────── */
.tnt-panel { display: none; }
.tnt-panel.active { display: block; animation: tntFadeIn .2s ease; }
@keyframes tntFadeIn { from { opacity:0; transform: translateY(6px); } to { opacity:1; transform: none; } }

.tnt-panel-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--tnt-green);
  margin: 0 0 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--tnt-green-light);
}

/* ── Fields ──────────────────────────────────────────────────────────────── */
.tnt-field-group { margin-bottom: 20px; }
.tnt-label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--tnt-text);
}
.tnt-req { color: var(--tnt-error); }
.tnt-hint-inline { font-weight: 400; color: var(--tnt-muted); font-size: 12px; margin-left: 6px; }
.tnt-hint { font-size: 12px; color: var(--tnt-muted); margin: 4px 0 0; }

.tnt-input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 14px;
  border: 1.5px solid var(--tnt-border);
  border-radius: var(--tnt-radius);
  font-size: 15px;
  color: var(--tnt-text);
  background: #fff;
  transition: border-color .15s;
}
.tnt-input:focus { outline: none; border-color: var(--tnt-green); box-shadow: 0 0 0 3px rgba(26,92,58,.12); }
.tnt-textarea { resize: vertical; min-height: 90px; }
.tnt-qty-input { max-width: 140px; }
.tnt-unit-hint { display: block; font-size: 12px; color: var(--tnt-muted); margin-top: 4px; min-height: 16px; }

.tnt-row { display: flex; gap: 16px; }
.tnt-half { flex: 1 1 0; min-width: 0; }
.tnt-hidden { display: none !important; }

/* ── Material grid ───────────────────────────────────────────────────────── */
.tnt-material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.tnt-mat-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 14px;
  border: 2px solid var(--tnt-border);
  border-radius: var(--tnt-radius);
  background: #fff;
  cursor: pointer;
  font-size: 14px;
  color: var(--tnt-text);
  text-align: center;
  transition: all .18s;
  line-height: 1.4;
}
.tnt-mat-btn:hover { border-color: var(--tnt-green); background: var(--tnt-green-light); }
.tnt-mat-btn.selected {
  border-color: var(--tnt-green);
  background: var(--tnt-green);
  color: #fff;
  box-shadow: 0 3px 10px rgba(26,92,58,.25);
}

/* ── Thickness pills ─────────────────────────────────────────────────────── */
.tnt-thickness-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.tnt-th-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 16px;
  border: 1.5px solid var(--tnt-border);
  border-radius: 30px;
  background: #fff;
  cursor: pointer;
  transition: all .15s;
}
.tnt-th-pill:hover { border-color: var(--tnt-green); }
.tnt-th-pill.selected {
  border-color: var(--tnt-green);
  background: var(--tnt-green-light);
  color: var(--tnt-green);
  font-weight: 700;
}
.tnt-th-main { font-size: 14px; font-weight: 600; }
.tnt-th-mm   { font-size: 11px; color: var(--tnt-muted); margin-top: 1px; }
.tnt-th-pill.selected .tnt-th-mm { color: var(--tnt-green-mid); }

/* ── Bending checkbox ────────────────────────────────────────────────────── */
.tnt-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}
.tnt-checkbox-label input[type=checkbox] {
  width: 18px; height: 18px;
  accent-color: var(--tnt-green);
}

/* ── Price card ──────────────────────────────────────────────────────────── */
.tnt-price-card {
  background: var(--tnt-bg);
  border: 1.5px solid var(--tnt-border);
  border-radius: var(--tnt-radius);
  overflow: hidden;
  margin-top: 24px;
}
.tnt-price-card-header {
  background: var(--tnt-green);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  padding: 8px 16px;
}
.tnt-price-rows { padding: 12px 16px 0; }
.tnt-price-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding: 4px 0;
  color: var(--tnt-muted);
}
.tnt-discount-row span:last-child { color: #c0392b; }
.tnt-price-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--tnt-green);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 12px 16px;
  margin-top: 12px;
}
.tnt-price-note {
  font-size: 11px;
  color: var(--tnt-muted);
  text-align: center;
  padding: 6px 16px 10px;
  margin: 0;
}

/* ── Drop zones ──────────────────────────────────────────────────────────── */
.tnt-drop-zone {
  border: 2px dashed var(--tnt-border);
  border-radius: var(--tnt-radius);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
  background: #fff;
}
.tnt-drop-zone:hover, .tnt-drop-zone.drag-over {
  border-color: var(--tnt-green);
  background: var(--tnt-green-light);
}
.tnt-drop-small { padding: 16px 20px; margin-top: 10px; }
.tnt-drop-icon  { font-size: 32px; display: block; margin-bottom: 6px; }
.tnt-drop-zone p { margin: 4px 0; font-size: 14px; color: var(--tnt-muted); }
.tnt-drop-link {
  color: var(--tnt-green);
  text-decoration: underline;
  cursor: pointer;
  font-weight: 600;
}
.tnt-drop-filename { font-weight: 600; color: var(--tnt-green) !important; }

/* ── Summary box ─────────────────────────────────────────────────────────── */
.tnt-summary-box {
  background: var(--tnt-green-light);
  border: 1.5px solid var(--tnt-border);
  border-radius: var(--tnt-radius);
  padding: 16px 20px;
  margin: 20px 0;
}
.tnt-summary-box h4 {
  margin: 0 0 12px;
  color: var(--tnt-green);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.tnt-sum-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.tnt-sum-table td { padding: 4px 0; }
.tnt-sum-table td:first-child { color: var(--tnt-muted); width: 140px; }
.tnt-sum-total td { font-weight: 700; font-size: 15px; color: var(--tnt-green);
                    border-top: 1.5px solid var(--tnt-border); padding-top: 10px; margin-top: 6px; }

/* ── Error box ───────────────────────────────────────────────────────────── */
.tnt-error-list {
  background: #fdf2f2;
  border: 1.5px solid #f0b8b8;
  border-radius: var(--tnt-radius);
  padding: 12px 16px;
  margin: 16px 0;
}
.tnt-error-list p { margin: 4px 0; color: var(--tnt-error); font-size: 14px; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.tnt-nav {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--tnt-border);
}
.tnt-btn {
  padding: 11px 24px;
  border-radius: var(--tnt-radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .18s;
}
.tnt-btn-primary {
  background: var(--tnt-green);
  color: #fff;
}
.tnt-btn-primary:hover:not(:disabled) { background: var(--tnt-green-mid); transform: translateY(-1px); }
.tnt-btn-primary:disabled { background: #ccc; cursor: not-allowed; }
.tnt-btn-ghost {
  background: transparent;
  color: var(--tnt-green);
  border: 1.5px solid var(--tnt-border);
}
.tnt-btn-ghost:hover { border-color: var(--tnt-green); background: var(--tnt-green-light); }
.tnt-btn-submit {
  background: var(--tnt-green);
  color: #fff;
  padding: 13px 32px;
  font-size: 16px;
}
.tnt-btn-submit:hover:not(:disabled) { background: var(--tnt-green-mid); }
.tnt-btn-submit:disabled { background: #ccc; cursor: not-allowed; }

/* ── Success screen ──────────────────────────────────────────────────────── */
.tnt-success {
  text-align: center;
  padding: 48px 24px;
}
.tnt-success-icon {
  width: 70px;
  height: 70px;
  background: var(--tnt-green);
  color: #fff;
  font-size: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.tnt-success h3 { font-size: 24px; color: var(--tnt-green); margin: 0 0 12px; }
.tnt-quote-id-display {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--tnt-green);
  background: var(--tnt-green-light);
  border: 2px solid var(--tnt-border);
  border-radius: var(--tnt-radius);
  display: inline-block;
  padding: 10px 28px;
  margin: 8px 0 20px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 520px) {
  .tnt-row { flex-direction: column; gap: 0; }
  .tnt-material-grid { grid-template-columns: 1fr 1fr; }
  .tnt-step-label { display: none; }
  .tnt-nav { flex-direction: column-reverse; }
  .tnt-btn { width: 100%; text-align: center; }
}