/*
 * DZ COD Checkout — Frontend Stylesheet
 * Conversion-optimised, mobile-first, lightweight (~4 KB unminified).
 * Uses CSS custom properties for easy theming.
 *
 * @package DZ_COD_Checkout
 */

/* ── Custom Properties ─────────────────────────────────────────────────────── */
.dz-cod-checkout {
  --dz-primary:       #1e3a5f;
  --dz-primary-dark:  #162d4a;
  --dz-accent:        #f59e0b;
  --dz-success:       #22c55e;
  --dz-danger:        #ef4444;
  --dz-border:        #d1d5db;
  --dz-bg:            #f9fafb;
  --dz-card:          #ffffff;
  --dz-text:          #111827;
  --dz-muted:         #6b7280;
  --dz-radius:        10px;
  --dz-shadow:        0 4px 24px rgba(0,0,0,.08);
  --dz-transition:    .2s ease;
  --dz-font:          system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* ── Container ─────────────────────────────────────────────────────────────── */
.dz-cod-checkout {
  box-sizing: border-box;
  background: var(--dz-bg);
  border: 1px solid var(--dz-border);
  border-radius: var(--dz-radius);
  padding: 2rem 1.75rem 1.75rem;
  margin: 2rem 0;
  font-family: var(--dz-font);
  color: var(--dz-text);
  max-width: 680px;
  box-shadow: var(--dz-shadow);
}

.dz-cod-checkout *,
.dz-cod-checkout *::before,
.dz-cod-checkout *::after {
  box-sizing: inherit;
}

/* ── Title ─────────────────────────────────────────────────────────────────── */
.dz-cod-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dz-primary);
  margin: 0 0 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 2px solid var(--dz-primary);
  letter-spacing: -.01em;
}

/* ── Product Summary Banner ────────────────────────────────────────────────── */
.dz-product-summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--dz-card);
  border: 1px solid var(--dz-border);
  border-radius: var(--dz-radius);
  padding: .75rem 1rem;
  margin-bottom: 1.5rem;
}

.dz-product-thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.dz-product-info {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.dz-product-name {
  font-weight: 600;
  font-size: .95rem;
  color: var(--dz-text);
}

.dz-product-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dz-primary);
}

/* ── Messages ──────────────────────────────────────────────────────────────── */
.dz-cod-messages {
  margin-bottom: 1rem;
}

.dz-cod-messages:empty { display: none; }

.dz-msg {
  padding: .75rem 1rem;
  border-radius: 8px;
  font-size: .9rem;
  margin-bottom: .5rem;
  animation: dz-fade-in .25s ease;
}

.dz-msg-error   { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }
.dz-msg-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #15803d; }

@keyframes dz-fade-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ── Form Layout ───────────────────────────────────────────────────────────── */
.dz-cod-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.dz-form-row { width: 100%; }

.dz-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 560px) {
  .dz-row-2col { grid-template-columns: 1fr; }
}

/* ── Field ─────────────────────────────────────────────────────────────────── */
.dz-field {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.dz-field label,
.dz-field .dz-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--dz-primary);
  display: flex;
  align-items: center;
  gap: .25rem;
}

.dz-required { color: var(--dz-danger); font-size: .75rem; }

.dz-input,
.dz-select {
  height: 44px;
  padding: 0 .875rem;
  border: 1.5px solid var(--dz-border);
  border-radius: 8px;
  font-size: .95rem;
  font-family: var(--dz-font);
  color: var(--dz-text);
  background: var(--dz-card);
  transition: border-color var(--dz-transition), box-shadow var(--dz-transition);
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.dz-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231e3a5f' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .875rem center;
  padding-right: 2.25rem;
  cursor: pointer;
}

.dz-input:focus,
.dz-select:focus {
  outline: none;
  border-color: var(--dz-primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,.15);
}

.dz-input.dz-invalid,
.dz-select.dz-invalid {
  border-color: var(--dz-danger);
  box-shadow: 0 0 0 3px rgba(239,68,68,.12);
}

.dz-select:disabled {
  opacity: .55;
  cursor: not-allowed;
  background-color: #f3f4f6;
}

.dz-field-error {
  font-size: .8rem;
  color: var(--dz-danger);
  min-height: 1rem;
  display: block;
}

.dz-field-error:empty { display: none; }

/* ── Delivery Type Radio Cards ─────────────────────────────────────────────── */
.dz-radio-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}

@media (max-width: 420px) {
  .dz-radio-group { grid-template-columns: 1fr; }
}

.dz-radio-card {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1rem;
  border: 2px solid var(--dz-border);
  border-radius: var(--dz-radius);
  cursor: pointer;
  background: var(--dz-card);
  transition: border-color var(--dz-transition), background var(--dz-transition), box-shadow var(--dz-transition);
  user-select: none;
  position: relative;
}

.dz-radio-card:hover {
  border-color: var(--dz-primary);
  box-shadow: 0 2px 10px rgba(30,58,95,.1);
}

.dz-radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.dz-radio-card:has(input:checked) {
  border-color: var(--dz-primary);
  background: #eff6ff;
  box-shadow: 0 2px 14px rgba(30,58,95,.15);
}

/* Fallback for browsers without :has() */
.dz-radio-card.dz-card-selected {
  border-color: var(--dz-primary);
  background: #eff6ff;
  box-shadow: 0 2px 14px rgba(30,58,95,.15);
}

.dz-radio-icon { font-size: 1.5rem; flex-shrink: 0; }

.dz-radio-body {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.dz-radio-body strong {
  font-size: .9rem;
  font-weight: 600;
  color: var(--dz-text);
  line-height: 1.3;
}

.dz-shipping-price {
  font-size: .8rem;
  color: var(--dz-primary);
  font-weight: 600;
}

/* ── Quantity Control ──────────────────────────────────────────────────────── */
.dz-qty-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

@media (max-width: 500px) {
  .dz-qty-row { grid-template-columns: 1fr; }
}

.dz-qty-control {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--dz-border);
  border-radius: 8px;
  overflow: hidden;
  width: fit-content;
  background: var(--dz-card);
}

.dz-qty-btn {
  width: 40px;
  height: 44px;
  border: none;
  background: #f3f4f6;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dz-primary);
  cursor: pointer;
  transition: background var(--dz-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dz-qty-btn:hover { background: #e5e7eb; }

.dz-qty-input {
  width: 60px;
  height: 44px;
  border: none;
  border-left: 1.5px solid var(--dz-border);
  border-right: 1.5px solid var(--dz-border);
  text-align: center;
  font-size: .95rem;
  font-weight: 600;
  color: var(--dz-text);
  padding: 0;
  border-radius: 0;
  box-shadow: none !important;
}

.dz-qty-input::-webkit-inner-spin-button,
.dz-qty-input::-webkit-outer-spin-button { -webkit-appearance: none; }
.dz-qty-input[type=number] { -moz-appearance: textfield; }

/* ── Order Total Box ───────────────────────────────────────────────────────── */
.dz-total-box {
  background: var(--dz-card);
  border: 1px solid var(--dz-border);
  border-radius: var(--dz-radius);
  padding: .875rem 1rem;
  flex: 1;
}

.dz-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .3rem 0;
  font-size: .88rem;
  color: var(--dz-muted);
  border-bottom: 1px dashed #e5e7eb;
}

.dz-total-row:last-child { border-bottom: none; }

.dz-total-grand {
  margin-top: .3rem;
  padding-top: .5rem;
  border-top: 2px solid var(--dz-border);
  border-bottom: none;
  font-weight: 700;
  font-size: 1rem;
  color: var(--dz-text);
}

.dz-total-grand-val { color: var(--dz-primary); font-size: 1.1rem; }

/* ── Submit Button ─────────────────────────────────────────────────────────── */
.dz-submit-btn {
  width: 100%;
  padding: .9rem 1.5rem;
  background: var(--dz-primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--dz-font);
  cursor: pointer;
  transition: background var(--dz-transition), transform var(--dz-transition), box-shadow var(--dz-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  letter-spacing: -.01em;
  position: relative;
  overflow: hidden;
}

.dz-submit-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.1) 0%, transparent 60%);
  pointer-events: none;
}

.dz-submit-btn:hover:not(:disabled) {
  background: var(--dz-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(30,58,95,.35);
}

.dz-submit-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: none;
}

.dz-submit-btn:disabled {
  opacity: .65;
  cursor: not-allowed;
}

.dz-btn-text,
.dz-btn-loading {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.dz-btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.dz-spinner {
  width: 18px;
  height: 18px;
  animation: dz-spin .75s linear infinite;
  flex-shrink: 0;
}

@keyframes dz-spin { to { transform: rotate(360deg); } }

/* ── Trust Badges ──────────────────────────────────────────────────────────── */
.dz-trust-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  margin-top: .75rem;
  font-size: .8rem;
  color: var(--dz-muted);
}

/* ── Error State ───────────────────────────────────────────────────────────── */
.dz-cod-error {
  color: var(--dz-danger);
  background: #fef2f2;
  padding: .75rem 1rem;
  border-radius: 8px;
  border: 1px solid #fecaca;
  font-size: .9rem;
}

/* ── Variation Selector (IBA Feature Port) ─────────────────────────────────── */
.dz-variations-row { flex-direction: column; gap: .75rem; }

.dz-variation-options {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .35rem;
}

.dz-variation-chip { cursor: pointer; }
.dz-variation-chip .dz-chip-label {
  display: inline-block;
  padding: .35rem .85rem;
  border: 1.5px solid var(--dz-border);
  border-radius: 6px;
  font-size: .85rem;
  background: #fff;
  color: var(--dz-text);
  transition: border-color .15s, background .15s, color .15s;
}
.dz-variation-radio { position: absolute; opacity: 0; width: 0; height: 0; }
.dz-variation-radio:checked + .dz-chip-label {
  border-color: var(--dz-primary);
  background: var(--dz-primary);
  color: #fff;
}
.dz-variation-chip:hover .dz-chip-label { border-color: var(--dz-primary); }
/* JS-applied class as fallback for browsers where :checked + sibling may lag */
.dz-variation-chip.dz-chip-active .dz-chip-label {
  border-color: var(--dz-primary);
  background: var(--dz-primary);
  color: #fff;
}

/* ── CAPTCHA (IBA Feature Port) ────────────────────────────────────────────── */
.dz-captcha-row { }

.dz-captcha-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f3f4f6;
  border: 2px dashed var(--dz-border);
  border-radius: 8px;
  padding: .6rem 1.5rem;
  margin-bottom: .5rem;
  user-select: none;
  pointer-events: none;
}

.dz-captcha-code {
  font-family: 'Courier New', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .35em;
  color: var(--dz-primary);
  text-decoration: line-through wavy #e11d48;
  filter: blur(.5px) contrast(1.2);
}

.dz-captcha-input { text-transform: uppercase; letter-spacing: .1em; }