/* ── CHECKOUT PAGE (full-screen overlay) ── */
.checkout-page {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: var(--paper);
  overflow-y: auto;
  display: none;
  flex-direction: column;
}

.checkout-page.open {
  display: flex;
}

/* ── CHECKOUT NAV ── */
.co-nav {
  background: var(--white);
  border-bottom: 2px solid var(--border);
  padding: 0 5%;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.co-nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.co-back {
  background: none;
  border: none;
  color: var(--green);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  transition: color .2s;
}

.co-back:hover {
  color: var(--green2);
}

.co-nav-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.co-nav-steps {
  display: flex;
  gap: 0;
}

.co-step {
  padding: 8px 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  cursor: default;
}

.co-step.done   { color: var(--green); }
.co-step.active { color: var(--green); border-bottom-color: var(--green); }

/* ── CHECKOUT BODY GRID ── */
.co-body {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 5%;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: start;
}

.co-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── CHECKOUT CARD ── */
.co-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}

.co-card-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.co-card-title .step-badge {
  width: 24px;
  height: 24px;
  background: var(--green);
  color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── PASSENGER PANELS ── */
.pax-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}

.pax-panel:last-child {
  margin-bottom: 0;
}

.pax-panel-head {
  background: var(--green3);
  border-bottom: 1px solid var(--green4);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pax-seat-badge {
  background: var(--seat-sel);
  color: #FFF;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
}

.pax-panel-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink2);
  letter-spacing: .5px;
}

.pax-type-sel {
  margin-left: auto;
  background: var(--white);
  border: 1.5px solid var(--green4);
  color: var(--ink2);
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  outline: none;
  transition: border-color .2s;
}

.pax-type-sel:focus {
  border-color: var(--green);
}

.pax-panel-body {
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ── FORM FIELDS ── */
.fg {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.flabel {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.finput {
  background: var(--off);
  border: 1.5px solid var(--border);
  color: var(--ink);
  padding: 10px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  outline: none;
  border-radius: 4px;
  transition: border-color .2s;
}

.finput:focus {
  border-color: var(--green);
  background: var(--white);
}

.finput::placeholder {
  color: #B0C0B8;
}

.fg.full {
  grid-column: 1 / -1;
}

/* ── ORDER SUMMARY SIDEBAR ── */
.co-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 80px;
}

.co-summary-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}

.co-summary-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
}

.co-flight-info {
  background: var(--green3);
  border-radius: 6px;
  padding: 14px;
  margin-bottom: 16px;
}

.co-flight-route {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.co-flight-detail {
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
}

.co-seats-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.co-seat-pill {
  background: var(--seat-sel);
  color: #FFF;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
}

.co-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

.co-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink2);
  padding: 5px 0;
}

.co-row .val {
  color: var(--green);
  font-weight: 600;
}

.co-row.total {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  padding-top: 12px;
  border-top: 1.5px solid var(--green);
}

.co-row.total .val {
  font-family: 'DM Sans', sans-serif;
  font-size: 20px;
  color: var(--green);
}

/* ── M-PESA CARD ── */
.mpesa-card {
  background: var(--white);
  border: 1.5px solid #1EAA59;
  border-radius: 10px;
  padding: 22px;
}

.mpesa-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.mpesa-logo {
  background: #1EAA59;
  color: #FFF;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.mpesa-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

.mpesa-sub {
  font-size: 11px;
  color: var(--muted);
}

.mpesa-steps {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.ms {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--ink2);
}

.ms-num {
  background: var(--green3);
  color: var(--green);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.ms strong {
  color: var(--ink);
}

.confirm-btn {
  width: 100%;
  background: var(--green);
  color: #FFF;
  border: none;
  padding: 15px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 6px;
  margin-top: 4px;
  transition: background .2s;
}

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