/* ============================================================
   Ultimate COD Combo Checkout – Modal Styles
   Mobile-First · Vanilla CSS · Zero dependencies
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --ucc-accent:       #FF4500;
  --ucc-accent-dark:  #cc3700;
  --ucc-green:        #16a34a;
  --ucc-error:        #dc2626;
  --ucc-bg:           #ffffff;
  --ucc-surface:      #f8fafc;
  --ucc-border:       #e2e8f0;
  --ucc-text:         #0f172a;
  --ucc-muted:        #64748b;
  --ucc-radius:       16px;
  --ucc-radius-sm:    10px;
  --ucc-radius-xs:    7px;
  --ucc-shadow:       0 24px 64px rgba(0,0,0,.22), 0 4px 16px rgba(0,0,0,.1);
  --ucc-font:         -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                      "Helvetica Neue", Arial, sans-serif;
  --ucc-ease:         cubic-bezier(.22, 1, .36, 1);
  --ucc-dur:          220ms;
}

/* ── Overlay ───────────────────────────────────────────────── */
.ucc-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(2, 6, 23, .7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-end;      /* mobile: bottom sheet */
  justify-content: center;
  padding: 0;
  opacity: 0;
  transition: opacity var(--ucc-dur) var(--ucc-ease);
  overflow-y: auto;
}
.ucc-overlay.is-open { opacity: 1; }
.ucc-overlay[hidden]  { display: none; }

@media (min-width: 640px) {
  .ucc-overlay { align-items: center; padding: 16px; }
}

/* ── Modal container ───────────────────────────────────────── */
.ucc-modal {
  position: relative;
  background: var(--ucc-bg);
  width: 100%;
  max-width: 500px;
  max-height: 96dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  border-radius: var(--ucc-radius) var(--ucc-radius) 0 0;
  box-shadow: var(--ucc-shadow);
  padding: 0 0 env(safe-area-inset-bottom, 0);
  font-family: var(--ucc-font);
  color: var(--ucc-text);
  transform: translateY(40px);
  transition: transform var(--ucc-dur) var(--ucc-ease);
  scrollbar-width: thin;
  scrollbar-color: var(--ucc-border) transparent;
}
.ucc-overlay.is-open .ucc-modal { transform: translateY(0); }

@media (min-width: 640px) {
  .ucc-modal {
    border-radius: var(--ucc-radius);
    transform: scale(.94) translateY(12px);
    max-height: calc(100dvh - 32px);
  }
  .ucc-overlay.is-open .ucc-modal { transform: scale(1) translateY(0); }
}

/* ── Header ────────────────────────────────────────────────── */
.ucc-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--ucc-border);
  position: sticky;
  top: 0;
  background: var(--ucc-bg);
  z-index: 2;
}
.ucc-modal-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ucc-text);
}
.ucc-close {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: var(--ucc-surface);
  color: var(--ucc-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background var(--ucc-dur), color var(--ucc-dur);
  flex-shrink: 0;
}
.ucc-close:hover { background: var(--ucc-border); color: var(--ucc-text); }
.ucc-close:focus { outline: none; box-shadow: 0 0 0 3px rgba(255,69,0,.25); }

/* ── Inner sections padding ─────────────────────────────────── */
#ucc-config { padding: 16px 20px 20px; }

/* ── Loading ────────────────────────────────────────────────── */
.ucc-loading[hidden] { display: none; }
.ucc-spinner-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  gap: 12px;
  color: var(--ucc-muted);
  font-size: .9rem;
}
.ucc-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--ucc-border);
  border-top-color: var(--ucc-accent);
  border-radius: 50%;
  animation: ucc-spin .7s linear infinite;
}
@keyframes ucc-spin { to { transform: rotate(360deg); } }

/* ── Product card ───────────────────────────────────────────── */
.ucc-product-card {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 14px;
  background: var(--ucc-surface);
  border: 1px solid var(--ucc-border);
  border-radius: var(--ucc-radius-sm);
  margin-bottom: 16px;
}
.ucc-prod-img {
  width: 68px;
  height: 68px;
  object-fit: cover;
  border-radius: var(--ucc-radius-xs);
  flex-shrink: 0;
  border: 1px solid var(--ucc-border);
  background: #fff;
}
.ucc-prod-name {
  margin: 0 0 4px;
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.3;
}
.ucc-prod-price {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ucc-accent);
}
.ucc-prod-price del  { color: var(--ucc-muted); font-size: .85em; margin-right: 6px; }
.ucc-prod-price ins  { text-decoration: none; }

/* ── Section label ──────────────────────────────────────────── */
.ucc-section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 10px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ucc-muted);
}

/* ── Variations ─────────────────────────────────────────────── */
.ucc-variations { margin-bottom: 16px; }
.ucc-variations[hidden] { display: none; }
.ucc-attr-group { margin-bottom: 12px; }
.ucc-attr-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--ucc-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 7px;
  display: block;
}
/* Swatch buttons */
.ucc-swatch-wrap { display: flex; flex-wrap: wrap; gap: 8px; }
.ucc-swatch {
  padding: 7px 16px;
  border: 2px solid var(--ucc-border);
  border-radius: 30px;
  font-size: .85rem;
  background: var(--ucc-bg);
  color: var(--ucc-text);
  cursor: pointer;
  transition: border-color var(--ucc-dur), background var(--ucc-dur), color var(--ucc-dur);
  user-select: none;
  line-height: 1;
}
.ucc-swatch:hover   { border-color: var(--ucc-accent); }
.ucc-swatch.active  { background: var(--ucc-accent); border-color: var(--ucc-accent); color: #fff; }
/* Select dropdown */
.ucc-attr-select {
  width: 100%;
  padding: 10px 36px 10px 12px;
  border: 1.5px solid var(--ucc-border);
  border-radius: var(--ucc-radius-xs);
  font-size: .9rem;
  background: var(--ucc-bg);
  color: var(--ucc-text);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}
.ucc-attr-select:focus { outline: none; border-color: var(--ucc-accent); box-shadow: 0 0 0 3px rgba(255,69,0,.15); }

/* ── Bundle packages ────────────────────────────────────────── */
.ucc-bundles { margin-bottom: 16px; }
.ucc-bundle-list { display: flex; flex-direction: column; gap: 9px; }

.ucc-bundle-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 14px;
  border: 2px solid var(--ucc-border);
  border-radius: var(--ucc-radius-sm);
  cursor: pointer;
  background: var(--ucc-bg);
  transition: border-color var(--ucc-dur), background var(--ucc-dur), box-shadow var(--ucc-dur);
  user-select: none;
}
.ucc-bundle-card:hover  { border-color: var(--ucc-accent); }
.ucc-bundle-card.active {
  border-color: var(--ucc-accent);
  background: rgba(255,69,0,.04);
  box-shadow: 0 0 0 3px rgba(255,69,0,.12);
}
.ucc-bundle-radio {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--ucc-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--ucc-dur);
}
.ucc-bundle-card.active .ucc-bundle-radio {
  border-color: var(--ucc-accent);
  background: var(--ucc-accent);
}
.ucc-bundle-card.active .ucc-bundle-radio::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
}
.ucc-bundle-body  { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.ucc-bundle-qty   { font-size: .88rem; font-weight: 700; color: var(--ucc-text); display: block; }
.ucc-bundle-save  { font-size: .75rem; color: var(--ucc-green); font-weight: 600; }
/* Price column */
.ucc-bundle-prices { display: flex; flex-direction: column; align-items: flex-end; gap: 1px; margin-left: auto; }
.ucc-bundle-orig   { font-size: .75rem; color: var(--ucc-muted); text-decoration: line-through; }
.ucc-bundle-total  { font-size: 1rem; font-weight: 800; color: var(--ucc-accent); white-space: nowrap; }
/* Badge */
.ucc-bundle-badge {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  color: #fff;
  margin-top: 5px;
  align-self: flex-start;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.ucc-bundle-img {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: var(--ucc-radius-xs, 6px);
  border: 1px solid var(--ucc-border);
  flex-shrink: 0;
  background: #fff;
}
/* config panel / row aliases */
.ucc-config-panel { padding: 16px 20px 20px; }
.ucc-config-panel[hidden] { display: none; }
.ucc-loading[hidden]      { display: none; }
.ucc-success[hidden]      { display: none; }
.ucc-bundles[hidden]      { display: none; }
.ucc-variations[hidden]   { display: none; }
/* row is same as field-group */
.ucc-row { margin-bottom: 12px; }
.ucc-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 400px) { .ucc-two-col { grid-template-columns: 1fr; } }
.ucc-shipping-row { font-size: .88rem; }
.ucc-shipping-row .ucc-txt-green { font-weight: 700; }

/* ── Order Bump ─────────────────────────────────────────────── */
.ucc-bump-section { margin-bottom: 16px; }
.ucc-bump-section[hidden] { display: none; }

.ucc-bump-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #e67e00;
  margin-bottom: 8px;
  background: rgba(230,126,0,.08);
  border: 1px solid rgba(230,126,0,.2);
  border-radius: 6px;
  padding: 5px 10px;
}
.ucc-bump-label svg { color: #e67e00; flex-shrink: 0; }

.ucc-bump-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 2px dashed var(--ucc-border);
  border-radius: var(--ucc-radius-sm);
  cursor: pointer;
  background: var(--ucc-bg);
  transition: border-color var(--ucc-dur), background var(--ucc-dur), box-shadow var(--ucc-dur);
  user-select: none;
  position: relative;
  outline: none;
}
.ucc-bump-card:hover  { border-color: var(--ucc-accent); border-style: solid; }
.ucc-bump-card:focus-visible { box-shadow: 0 0 0 3px rgba(255,69,0,.25); }
.ucc-bump-card.is-selected {
  border-style: solid;
  border-color: var(--ucc-accent);
  background: rgba(255,69,0,.04);
  box-shadow: 0 0 0 3px rgba(255,69,0,.1);
}

/* Checkbox */
.ucc-bump-check {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid var(--ucc-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--ucc-dur), background var(--ucc-dur);
}
.ucc-bump-card.is-selected .ucc-bump-check {
  border-color: var(--ucc-accent);
  background: var(--ucc-accent);
}
.ucc-bump-check-inner {
  width: 10px;
  height: 6px;
  border-left: 2.5px solid #fff;
  border-bottom: 2.5px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
  transition: opacity var(--ucc-dur);
}
.ucc-bump-card.is-selected .ucc-bump-check-inner { opacity: 1; }

/* Image */
.ucc-bump-img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--ucc-radius-xs);
  border: 1px solid var(--ucc-border);
  flex-shrink: 0;
  background: #fff;
}

/* Info */
.ucc-bump-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.ucc-bump-title { font-size: .85rem; font-weight: 700; color: var(--ucc-text); line-height: 1.3; }
.ucc-bump-desc  { font-size: .75rem; color: var(--ucc-muted); line-height: 1.4; }
.ucc-bump-price { font-size: .95rem; font-weight: 800; color: var(--ucc-accent); }
.ucc-bump-price del { font-size: .78em; color: var(--ucc-muted); margin-right: 4px; }
.ucc-bump-price ins { text-decoration: none; }

/* ── Price summary ──────────────────────────────────────────── */
.ucc-price-summary {
  background: var(--ucc-surface);
  border: 1px solid var(--ucc-border);
  border-radius: var(--ucc-radius-sm);
  padding: 12px 16px;
  margin-bottom: 18px;
}
.ucc-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .88rem;
  padding: 3px 0;
  color: var(--ucc-muted);
}
.ucc-price-row--total {
  padding-top: 10px;
  margin-top: 6px;
  border-top: 1px solid var(--ucc-border);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ucc-text);
}
.ucc-discount-row[hidden] { display: none; }
.ucc-txt-green   { color: var(--ucc-green); font-weight: 700; }
.ucc-txt-accent  { color: var(--ucc-accent); }

/* ── Divider ────────────────────────────────────────────────── */
.ucc-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ucc-muted);
}
.ucc-divider::before,
.ucc-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--ucc-border);
}

/* ── Form ───────────────────────────────────────────────────── */
.ucc-form { display: flex; flex-direction: column; gap: 0; }
.ucc-field-group { margin-bottom: 12px; }
.ucc-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

@media (max-width: 400px) {
  .ucc-two-col { grid-template-columns: 1fr; }
}

.ucc-field { display: flex; flex-direction: column; }
.ucc-field label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ucc-muted);
  margin-bottom: 5px;
}
.ucc-req { color: var(--ucc-error); }

.ucc-field input,
.ucc-field select,
.ucc-field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--ucc-border);
  border-radius: var(--ucc-radius-xs);
  font-size: .9rem;
  font-family: var(--ucc-font);
  color: var(--ucc-text);
  background: var(--ucc-bg);
  box-sizing: border-box;
  transition: border-color var(--ucc-dur), box-shadow var(--ucc-dur);
  -webkit-appearance: none;
  appearance: none;
}
.ucc-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}
.ucc-field textarea { resize: vertical; min-height: 60px; }

.ucc-field input:focus,
.ucc-field select:focus,
.ucc-field textarea:focus {
  outline: none;
  border-color: var(--ucc-accent);
  box-shadow: 0 0 0 3px rgba(255,69,0,.15);
}
.ucc-field input.invalid,
.ucc-field select.invalid {
  border-color: var(--ucc-error);
  box-shadow: 0 0 0 3px rgba(220,38,38,.15);
}
.ucc-field select:disabled {
  opacity: .5;
  cursor: not-allowed;
  background-color: var(--ucc-surface);
}

/* ── Messages ───────────────────────────────────────────────── */
.ucc-msg {
  padding: 12px 14px;
  border-radius: var(--ucc-radius-xs);
  font-size: .88rem;
  line-height: 1.5;
  margin-bottom: 12px;
}
.ucc-msg[hidden] { display: none; }
.ucc-msg.is-error   { background: #fef2f2; color: var(--ucc-error); border: 1px solid #fecaca; }
.ucc-msg.is-success { background: #f0fdf4; color: var(--ucc-green); border: 1px solid #86efac; }

/* ── Submit button ──────────────────────────────────────────── */
.ucc-submit {
  width: 100%;
  padding: 15px 24px;
  border: none;
  border-radius: var(--ucc-radius-sm);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .03em;
  cursor: pointer;
  transition: filter var(--ucc-dur), transform var(--ucc-dur), opacity var(--ucc-dur);
  position: relative;
  overflow: hidden;
}
.ucc-submit::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(255,255,255,.12), transparent);
}
.ucc-submit:hover:not(:disabled)  { filter: brightness(1.1); }
.ucc-submit:active:not(:disabled) { transform: scale(.98); }
.ucc-submit:focus { outline: none; box-shadow: 0 0 0 3px rgba(255,69,0,.3); }
.ucc-submit:disabled { opacity: .5; cursor: not-allowed; }
.ucc-submit.is-loading { opacity: .75; cursor: wait; }

/* ── Trust badge ────────────────────────────────────────────── */
.ucc-trust-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin: 12px 0 0;
  font-size: .74rem;
  color: var(--ucc-muted);
}

/* ── Success state ──────────────────────────────────────────── */
.ucc-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 24px;
  text-align: center;
  gap: 10px;
}
.ucc-success[hidden] { display: none; }
.ucc-success-icon { font-size: 3rem; line-height: 1; }
.ucc-success-msg  { font-size: 1.1rem; font-weight: 700; color: var(--ucc-green); margin: 0; }
.ucc-success-sub  { font-size: .88rem; color: var(--ucc-muted); margin: 0; }
.ucc-btn-secondary {
  margin-top: 8px;
  padding: 10px 24px;
  border: 2px solid var(--ucc-border);
  border-radius: var(--ucc-radius-xs);
  background: transparent;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--ucc-text);
  transition: background var(--ucc-dur);
}
.ucc-btn-secondary:hover { background: var(--ucc-surface); }

/* ── Floating button ────────────────────────────────────────── */
.ucc-open-modal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 30px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: .02em;
  transition: filter var(--ucc-dur), transform var(--ucc-dur), box-shadow var(--ucc-dur);
}
.ucc-open-modal:hover  { filter: brightness(1.1); }
.ucc-open-modal:active { transform: scale(.97); }
.ucc-open-modal:focus  { outline: none; box-shadow: 0 0 0 3px rgba(255,69,0,.3); }

#ucc-floating-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 99998;
  min-width: 180px;
  box-shadow: 0 8px 28px rgba(255,69,0,.35), 0 2px 8px rgba(0,0,0,.12);
  animation: ucc-pop-in .45s var(--ucc-ease) both;
}
@keyframes ucc-pop-in {
  from { opacity: 0; transform: translateY(28px) scale(.8); }
  to   { opacity: 1; transform: translateY(0)   scale(1);   }
}

@media (max-width: 479px) {
  #ucc-floating-btn {
    bottom: 12px;
    right: 12px;
    left: 12px;
    width: calc(100% - 24px);
    min-width: unset;
    border-radius: var(--ucc-radius-sm);
  }
}

/* ── Cart icon ──────────────────────────────────────────────── */
.ucc-cart-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  text-decoration: none;
  transition: opacity var(--ucc-dur);
}
.ucc-cart-link:hover { opacity: .75; }
.ucc-cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ucc-accent);
  color: #fff;
  font-size: .65rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Progress indicator (form steps hint) ───────────────────── */
.ucc-steps {
  display: flex;
  gap: 4px;
  padding: 0 20px 12px;
}
.ucc-step-dot {
  flex: 1;
  height: 3px;
  border-radius: 3px;
  background: var(--ucc-border);
  transition: background var(--ucc-dur);
}
.ucc-step-dot.done { background: var(--ucc-accent); }

/* ── Validation spinner inline ──────────────────────────────── */
.ucc-inline-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ucc-spin .6s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

/* ── Animate in variations/bundles on mount ─────────────────── */
@keyframes ucc-fadein {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
#ucc-config { animation: ucc-fadein .28s var(--ucc-ease) both; }