/* ══════════════════════════════════════════════════════════════════════
   MasterHub — Checkout Overlay (DTF)
   Tunnel de paiement réplique fonctionnelle de V1 OrderValidation.jsx
   ══════════════════════════════════════════════════════════════════════ */

/* ── Backdrop ────────────────────────────────────────────────── */
.mhco-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .55);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: none;
  overflow-y: auto;
  padding: 24px 12px;
}
.mhco-backdrop.is-open { display: block; }
body.mhco-locked { overflow: hidden; }

/* ── Modal shell ─────────────────────────────────────────────── */
.mhco-modal {
  background: var(--white);
  max-width: 1080px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  min-height: min(90vh, 720px);
  overflow: hidden;
}

.mhco-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-light);
}
.mhco-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.mhco-header h2 i { color: var(--pink); }
.mhco-close {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 16px;
  transition: var(--transition);
}
.mhco-close:hover { background: var(--white); color: var(--dark); }

/* ── Stepper ─────────────────────────────────────────────────── */
.mhco-steps {
  display: flex;
  gap: 0;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--white);
}
.mhco-step {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
}
.mhco-step + .mhco-step::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  width: 16px;
  height: 1px;
  background: var(--border);
}
.mhco-step__num {
  width: 24px; height: 24px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-light);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.mhco-step.is-active { color: var(--dark); }
.mhco-step.is-active .mhco-step__num {
  background: var(--pink);
  color: var(--white);
  border-color: var(--pink);
}
.mhco-step.is-done .mhco-step__num {
  background: var(--purple);
  color: var(--white);
  border-color: var(--purple);
}

/* ── Body layout (form + summary) ────────────────────────────── */
.mhco-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  padding: 24px;
  flex: 1;
  align-items: start;
}

.mhco-form { min-width: 0; }
.mhco-form section { margin-bottom: 24px; }
.mhco-form h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin: 0 0 12px;
  display: flex; align-items: center; gap: 8px;
}
.mhco-form h3 i { color: var(--pink); font-size: 13px; }

/* ── Form controls ───────────────────────────────────────────── */
.mhco-field { margin-bottom: 12px; }
.mhco-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.mhco-input,
.mhco-select,
.mhco-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
}
.mhco-textarea { resize: vertical; min-height: 70px; }
.mhco-input:focus,
.mhco-select:focus,
.mhco-textarea:focus {
  outline: none;
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(22, 129, 196, .15);
}
.mhco-input.has-error,
.mhco-select.has-error { border-color: #dc2626; }

.mhco-grid { display: grid; gap: 10px; }
.mhco-grid--2 { grid-template-columns: 1fr 1fr; }
.mhco-grid--3 { grid-template-columns: 1fr 1fr 1fr; }

/* ── Radio groups ────────────────────────────────────────────── */
.mhco-radios { display: flex; flex-direction: column; gap: 8px; }
.mhco-radio {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition);
  background: var(--white);
}
.mhco-radio:hover { border-color: var(--pink); background: rgba(22,129,196,.04); }
.mhco-radio input { margin-top: 2px; accent-color: var(--pink); }
.mhco-radio.is-checked {
  border-color: var(--pink);
  background: rgba(22,129,196,.08);
}
.mhco-radio__label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.mhco-radio__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}
.mhco-radio__desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.mhco-radio__price {
  font-size: 14px;
  font-weight: 700;
  color: var(--purple);
  white-space: nowrap;
}

/* ── Checkboxes ──────────────────────────────────────────────── */
.mhco-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 8px;
}
.mhco-checkbox:hover { border-color: var(--pink); }
.mhco-checkbox input { margin-top: 3px; accent-color: var(--pink); }
.mhco-checkbox.is-checked {
  border-color: var(--pink);
  background: rgba(22,129,196,.06);
}
.mhco-checkbox__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
}
.mhco-checkbox__desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Address picker ──────────────────────────────────────────── */
.mhco-address-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}
.mhco-address-card {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 13px;
}
.mhco-address-card:hover { border-color: var(--pink); }
.mhco-address-card.is-selected {
  border-color: var(--pink);
  background: rgba(22,129,196,.06);
  box-shadow: 0 0 0 1px var(--pink) inset;
}
.mhco-address-card__name { font-weight: 700; color: var(--dark); }
.mhco-address-card__company { color: var(--text-muted); font-size: 12px; }
.mhco-address-card__addr { color: var(--text); margin-top: 4px; line-height: 1.4; }

.mhco-toggle-new {
  font-size: 12px;
  color: var(--pink);
  font-weight: 600;
  background: none;
  padding: 6px 0;
}
.mhco-toggle-new:hover { text-decoration: underline; }

/* ── Promo input ─────────────────────────────────────────────── */
.mhco-promo {
  display: flex;
  gap: 8px;
}
.mhco-promo .mhco-input { flex: 1; text-transform: uppercase; }
.mhco-promo button {
  padding: 0 16px;
  font-weight: 600;
  font-size: 13px;
  background: var(--dark);
  color: var(--white);
  border-radius: 8px;
  transition: var(--transition);
}
.mhco-promo button:hover { background: var(--purple); }
.mhco-promo button:disabled { opacity: .5; cursor: not-allowed; }
.mhco-promo-msg {
  font-size: 12px;
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 6px;
}
.mhco-promo-msg.is-ok {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #6ee7b7;
}
.mhco-promo-msg.is-error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* ── Summary card (right column) ─────────────────────────────── */
.mhco-summary {
  position: sticky;
  top: 0;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
}
.mhco-summary h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--dark);
  margin: 0 0 12px;
}
.mhco-summary__files {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 140px;
  overflow-y: auto;
  padding-right: 4px;
  margin-bottom: 12px;
}
.mhco-summary__file {
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  background: var(--white);
  border-radius: 6px;
  border: 1px solid var(--border);
}
.mhco-summary__file-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}
.mhco-summary__file-meta { color: var(--text-muted); white-space: nowrap; }
.mhco-summary__row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 13px;
}
.mhco-summary__row span:first-child { color: var(--text-muted); }
.mhco-summary__row span:last-child { color: var(--dark); font-weight: 600; }
.mhco-summary__row.is-discount span:last-child { color: #047857; }
.mhco-summary__divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}
.mhco-summary__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 8px;
  border-top: 2px solid var(--dark);
  margin-top: 8px;
}
.mhco-summary__total-label { font-size: 13px; color: var(--text); font-weight: 600; }
.mhco-summary__total-value { font-size: 22px; font-weight: 800; color: var(--purple); }
.mhco-summary__ttc {
  font-size: 11px;
  color: var(--text-muted);
  text-align: right;
  margin-top: 2px;
}

/* ── Footer ──────────────────────────────────────────────────── */
.mhco-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-light);
}
.mhco-footer__left { display: flex; gap: 8px; }
.mhco-footer__right { display: flex; gap: 8px; }
.mhco-btn {
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.mhco-btn--primary {
  background: var(--gradient);
  color: var(--white);
}
.mhco-btn--primary:hover { opacity: .9; transform: translateY(-1px); }
.mhco-btn--primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.mhco-btn--ghost {
  background: var(--white);
  color: var(--text);
  border: 1px solid var(--border);
}
.mhco-btn--ghost:hover { border-color: var(--pink); color: var(--pink); }

/* ── Loading / states ────────────────────────────────────────── */
.mhco-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 20px;
  color: var(--text-muted);
}
.mhco-spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--pink);
  border-radius: 50%;
  animation: mhco-spin 1s linear infinite;
}
@keyframes mhco-spin { to { transform: rotate(360deg); } }

.mhco-alert {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.mhco-alert i { margin-top: 2px; }
.mhco-alert--info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}
.mhco-alert--warn {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}
.mhco-alert--error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 880px) {
  .mhco-body {
    grid-template-columns: 1fr;
  }
  .mhco-summary {
    order: -1;
    position: relative;
  }
  .mhco-steps { padding: 10px 14px; gap: 4px; overflow-x: auto; }
  .mhco-step { padding: 6px; font-size: 11px; min-width: max-content; }
  .mhco-step + .mhco-step::before { display: none; }
  .mhco-grid--2, .mhco-grid--3 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .mhco-backdrop { padding: 0; }
  .mhco-modal { border-radius: 0; min-height: 100vh; }
  .mhco-header h2 { font-size: 15px; }
  .mhco-body { padding: 16px; gap: 16px; }
  .mhco-footer { padding: 12px 16px; flex-wrap: wrap; }
  .mhco-btn { font-size: 13px; padding: 9px 14px; }
}