/* ── SEAT SECTION ── */
#seat-section {
  background: var(--paper);
  border-top: 3px solid var(--border);
}

.seat-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 56px 5%;
}

/* ── STEPS INDICATOR ── */
.steps {
  display: flex;
  margin-bottom: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
}

.step-item {
  flex: 1;
  padding: 14px 16px;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-item:last-child {
  border-right: none;
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--border);
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-item.active .step-num {
  background: var(--green);
  color: #FFF;
}

.step-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.step-item.active .step-name {
  color: var(--green);
}

/* ── SELECTED FLIGHT BAR ── */
.sel-bar {
  background: var(--white);
  border: 1.5px solid var(--green);
  border-radius: 8px;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.sel-bar-route {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}

.sel-bar-detail {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.sel-bar-price {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--green);
}

/* ── SEAT LEGEND ── */
.legend {
  display: flex;
  gap: 18px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: center;
}

.leg-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink2);
  font-weight: 500;
}

.leg-sq {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* ── PLANE / SEAT MAP ── */
.plane-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 0;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px 12px 0 0;
}

/* ── SEAT SELECTION TRAY ── */
.seat-tray {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 12px 12px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.tray-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tray-label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.tray-seats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
  min-height: 28px;
  align-items: center;
}

.tray-seat-tag {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--seat-sel);
  color: #FFF;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
}

.tray-seat-tag button {
  background: none;
  border: none;
  color: rgba(255, 255, 255, .7);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  margin-left: 2px;
  transition: color .15s;
}

.tray-seat-tag button:hover {
  color: #FFF;
}

.tray-empty {
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
}

.tray-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.tray-total {
  text-align: right;
}

.tray-total-label {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.tray-total-amount {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--green);
}

/* ── PROCEED BUTTON ── */
.proceed-btn {
  background: var(--green);
  color: #FFF;
  border: none;
  padding: 13px 28px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s;
  letter-spacing: .5px;
}

.proceed-btn:hover {
  background: var(--green2);
}

.proceed-btn:disabled {
  background: var(--border);
  color: var(--muted);
  cursor: not-allowed;
}