/* ============================================================
   product-form.css — seller/product-edit.html (Mode A: Add one)
   Owner: worker-5 (t-005). Imports product-shared.css from
   worker-8 (t-008). If product-shared.css 404s the page is
   still usable; the rules below are self-sufficient.
   ============================================================ */
@import url("./product-shared.css");

:root {
  /* Mirror tokens from colors_and_type.css so this file works
     even when colors_and_type.css is not on the page. */
  --terra-50:  #FBF3EC;
  --terra-100: #F6E2D1;
  --terra-200: #ECC2A0;
  --terra-300: #E09F6F;
  --terra-400: #D17A40;
  --terra-500: #B8451F;
  --terra-600: #9E3818;
  --terra-700: #7E2D12;

  --ink:       #1A1412;
  --ink-soft:  #3A2F2A;
  --ink-muted: #7A6F68;
  --ink-faint: #C9BEB4;

  --canvas:      #FBF7F1;
  --canvas-soft: #F3EADC;

  --moss-600: #2F4A2F;

  --danger-50:  #FEF2F2;
  --danger-200: #FECACA;
  --danger-500: #DC2626;
  --danger-700: #B91C1C;

  --success-50:  #ECFDF5;
  --success-500: #10B981;
  --success-700: #047857;

  --shadow-card: 0 2px 8px -2px rgb(26 20 18 / 0.06);
  --shadow-lift: 0 10px 28px -10px rgb(26 20 18 / 0.18);
  --shadow-modal: 0 24px 56px -20px rgb(26 20 18 / 0.32);

  --radius-input: 12px;
  --radius-card: 16px;
}

/* Respect [hidden] even when a rule sets display: flex/grid/etc. */
[hidden] { display: none !important; }

/* ====== Page chrome ====== */
.pf-body {
  background: var(--canvas);
  color: var(--ink);
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  margin: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.pf-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(251, 247, 241, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid rgba(26, 20, 18, 0.08);
}
.pf-topbar-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.pf-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 10px;
  border-radius: 10px;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
}
.pf-back:hover { background: var(--canvas-soft); color: var(--ink); }
.pf-topbar h1 {
  font-family: 'Fraunces', ui-serif, Georgia, serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.015em;
  margin: 0;
  flex: 1;
  color: var(--ink);
}
.pf-saved-hint {
  font-size: 12px;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

/* ====== Main column ====== */
.pf-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 140px;
}

.pf-intro {
  margin: 0 0 24px;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.55;
  max-width: 60ch;
}

/* ====== Card ====== */
.pf-card {
  background: #fff;
  border: 1px solid rgba(26, 20, 18, 0.08);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 18px;
  overflow: hidden;
}
.pf-card-head {
  padding: 18px 20px 14px;
  border-bottom: 1px solid rgba(26, 20, 18, 0.06);
}
.pf-card-head h2 {
  font-family: 'Fraunces', ui-serif, Georgia, serif;
  font-weight: 500;
  font-size: 18px;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.pf-card-head p {
  margin: 0;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
}
.pf-card-body { padding: 18px 20px 20px; }

/* ====== Form grid ====== */
.pf-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.pf-row + .pf-row { margin-top: 14px; }
@media (min-width: 640px) {
  .pf-row.cols-2 { grid-template-columns: 1fr 1fr; }
  .pf-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
}

.pf-field { display: flex; flex-direction: column; gap: 6px; }
.pf-field > label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.005em;
}
.pf-field > label .pf-req { color: var(--terra-600); margin-left: 2px; }
.pf-field > label .pf-opt { color: var(--ink-muted); font-weight: 400; margin-left: 4px; font-size: 12px; }

.pf-input,
.pf-textarea,
.pf-select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  font: inherit;
  font-size: 15px;
  line-height: 1.4;
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(26, 20, 18, 0.14);
  border-radius: var(--radius-input);
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.pf-textarea { min-height: 110px; resize: vertical; padding-top: 12px; }
.pf-select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%237A6F68' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.pf-input::placeholder,
.pf-textarea::placeholder { color: var(--ink-faint); }
.pf-input:hover,
.pf-textarea:hover,
.pf-select:hover { border-color: rgba(26, 20, 18, 0.24); }
.pf-input:focus,
.pf-textarea:focus,
.pf-select:focus {
  outline: none;
  border-color: var(--terra-500);
  box-shadow: 0 0 0 3px rgba(184, 69, 31, 0.12);
}
.pf-input[disabled],
.pf-textarea[disabled],
.pf-select[disabled] { background: var(--canvas-soft); color: var(--ink-muted); cursor: not-allowed; }

.pf-input.pf-money-input { padding-left: 44px; }
.pf-money {
  position: relative;
}
.pf-money::before {
  content: 'RM';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-muted);
  pointer-events: none;
}

.pf-help {
  font-size: 12px;
  color: var(--ink-muted);
  line-height: 1.45;
}

.pf-error {
  display: none;
  font-size: 12px;
  font-weight: 500;
  color: var(--danger-700);
  margin-top: 2px;
}
.pf-field.is-invalid > label { color: var(--danger-700); }
.pf-field.is-invalid .pf-input,
.pf-field.is-invalid .pf-textarea,
.pf-field.is-invalid .pf-select {
  border-color: var(--danger-500);
  background: var(--danger-50);
}
.pf-field.is-invalid .pf-error { display: block; }

/* ====== Buttons ====== */
.pf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease, transform .05s ease;
  text-decoration: none;
  white-space: nowrap;
}
.pf-btn:active { transform: translateY(1px); }
.pf-btn:disabled { opacity: 0.55; cursor: not-allowed; }

.pf-btn-primary {
  background: var(--terra-500);
  color: #fff;
}
.pf-btn-primary:hover:not(:disabled) { background: var(--terra-600); }

.pf-btn-secondary {
  background: #fff;
  border-color: rgba(26, 20, 18, 0.16);
  color: var(--ink);
}
.pf-btn-secondary:hover:not(:disabled) { background: var(--canvas-soft); border-color: rgba(26, 20, 18, 0.28); }

.pf-btn-ghost {
  background: transparent;
  color: var(--ink-soft);
}
.pf-btn-ghost:hover:not(:disabled) { background: var(--canvas-soft); color: var(--ink); }

.pf-btn-danger-ghost {
  background: transparent;
  color: var(--danger-700);
  border-color: transparent;
}
.pf-btn-danger-ghost:hover:not(:disabled) { background: var(--danger-50); }

.pf-btn-block { width: 100%; }

/* ====== Sticky footer ====== */
.pf-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(251, 247, 241, 0.96);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-top: 1px solid rgba(26, 20, 18, 0.10);
  z-index: 25;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
}
.pf-footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.pf-footer-status {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--ink-muted);
}
.pf-footer-status.is-warn { color: var(--danger-700); font-weight: 500; }

/* ====== Banner / error summary ====== */
.pf-banner {
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 18px;
}
.pf-banner.is-error {
  background: var(--danger-50);
  border: 1px solid var(--danger-200);
  color: var(--danger-700);
}
.pf-banner strong { font-weight: 700; }
.pf-banner ul { margin: 4px 0 0; padding-left: 18px; }
.pf-banner li { margin: 2px 0; }
.pf-banner-dismiss {
  margin-left: auto;
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0 4px;
}

/* ====== Image uploader ====== */
.pf-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}
.pf-image-tile,
.pf-image-add {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  background: var(--canvas-soft);
  overflow: hidden;
}
.pf-image-tile {
  border: 1px solid rgba(26, 20, 18, 0.10);
  cursor: grab;
}
.pf-image-tile.is-dragging { opacity: 0.4; }
.pf-image-tile.is-drop-target { outline: 2px dashed var(--terra-500); outline-offset: -4px; }
.pf-image-tile img {
  width: 100%; height: 100%; object-fit: cover; display: block; user-select: none; -webkit-user-drag: none;
}
.pf-image-tile .pf-image-progress {
  position: absolute; inset: 0;
  background: rgba(26, 20, 18, 0.55);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.pf-image-tile.is-uploading { cursor: progress; }
.pf-image-tile.is-failed { border-color: var(--danger-500); }
.pf-image-tile.is-failed::after {
  content: 'Failed — tap to retry';
  position: absolute; inset: 0;
  background: rgba(220, 38, 38, 0.92);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; padding: 8px; text-align: center;
}
.pf-image-primary-badge {
  position: absolute;
  top: 6px; left: 6px;
  background: var(--terra-500);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.pf-image-actions {
  position: absolute;
  inset: auto 6px 6px auto;
  display: flex; gap: 4px;
}
.pf-image-btn {
  min-width: 28px; height: 28px;
  border-radius: 8px;
  background: rgba(255,255,255,0.92);
  color: var(--ink);
  border: none;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center;
}
.pf-image-btn:hover { background: #fff; }
.pf-image-btn.is-danger { color: var(--danger-700); }
.pf-image-add {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 6px;
  border: 1.5px dashed rgba(26, 20, 18, 0.22);
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
}
.pf-image-add:hover { color: var(--terra-600); border-color: var(--terra-400); background: var(--terra-50); }
.pf-image-add svg { width: 24px; height: 24px; opacity: 0.8; }
.pf-image-add input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
}
.pf-images-empty {
  text-align: center;
  padding: 28px 16px;
  border: 1.5px dashed rgba(26, 20, 18, 0.18);
  border-radius: 14px;
  color: var(--ink-muted);
  font-size: 14px;
  background: var(--canvas-soft);
}
.pf-images-empty.is-drop-target {
  border-color: var(--terra-500);
  background: var(--terra-50);
  color: var(--terra-700);
}

/* ====== Variants ====== */
.pf-axis-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.pf-axis-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(26, 20, 18, 0.16);
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  user-select: none;
}
.pf-axis-toggle input { accent-color: var(--terra-500); width: 16px; height: 16px; }
.pf-axis-toggle.is-on {
  background: var(--terra-50);
  border-color: var(--terra-300);
  color: var(--terra-700);
}

.pf-axis-block {
  border: 1px solid rgba(26, 20, 18, 0.08);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
  background: var(--canvas);
}
.pf-axis-block-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 8px;
}
.pf-axis-block-head label {
  font-size: 12px; font-weight: 600; color: var(--ink-muted);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.pf-axis-values {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.pf-chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(26, 20, 18, 0.14);
  font-size: 13px;
  color: var(--ink);
}
.pf-chip .pf-chip-swatch {
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(26, 20, 18, 0.18);
}
.pf-chip-remove {
  background: none; border: none; color: var(--ink-muted); cursor: pointer;
  font-size: 14px; line-height: 1; padding: 0 0 0 4px;
}
.pf-chip-remove:hover { color: var(--danger-700); }
.pf-axis-add {
  display: flex; gap: 8px; align-items: stretch; margin-top: 8px;
  flex-wrap: wrap;
}
.pf-axis-add .pf-input,
.pf-axis-add input[type="color"] {
  flex: 1 1 0;
  min-width: 120px;
}
.pf-axis-add input[type="color"] {
  flex: 0 0 52px; min-width: 52px;
  padding: 4px; border-radius: 10px;
  border: 1px solid rgba(26, 20, 18, 0.14);
  background: #fff;
  min-height: 44px;
}
.pf-axis-add .pf-btn { flex: 0 0 auto; }

.pf-variants-empty {
  padding: 18px;
  border: 1px dashed rgba(26, 20, 18, 0.16);
  border-radius: 12px;
  text-align: center;
  font-size: 13px;
  color: var(--ink-muted);
}

/* Matrix — table on desktop, stacked cards on mobile */
.pf-matrix-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.pf-matrix {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 560px;
  font-size: 13px;
}
.pf-matrix thead th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding: 8px 10px;
  border-bottom: 1px solid rgba(26, 20, 18, 0.10);
  background: var(--canvas);
  position: sticky; top: 0;
}
.pf-matrix tbody td {
  padding: 8px 8px;
  border-bottom: 1px solid rgba(26, 20, 18, 0.06);
  vertical-align: middle;
}
.pf-matrix tbody tr:last-child td { border-bottom: none; }
.pf-matrix .pf-input { min-height: 38px; padding: 6px 10px; font-size: 13px; }
.pf-matrix .pf-input-narrow { max-width: 110px; }
.pf-matrix .pf-variant-thumb {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--canvas-soft);
  border: 1px solid rgba(26, 20, 18, 0.10);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.pf-matrix .pf-variant-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.pf-matrix .pf-variant-thumb input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
}
.pf-matrix .pf-variant-thumb .pf-variant-thumb-add {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%; color: var(--ink-muted); font-size: 18px; font-weight: 500;
}

.pf-matrix-summary {
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 10px;
  display: flex; gap: 12px; flex-wrap: wrap;
}
.pf-matrix-summary strong { color: var(--ink); font-weight: 600; }

.pf-bulk-bar {
  display: flex; gap: 8px; align-items: center;
  padding: 10px;
  background: var(--canvas);
  border: 1px solid rgba(26, 20, 18, 0.08);
  border-radius: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--ink-muted);
}
.pf-bulk-bar .pf-input {
  flex: 0 1 140px; min-height: 38px; padding: 6px 10px; font-size: 13px;
}

/* ====== States: loading, success ====== */
.pf-loading {
  position: fixed; inset: 0;
  background: rgba(251, 247, 241, 0.86);
  backdrop-filter: blur(2px);
  z-index: 70;
  display: none;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 14px;
}
.pf-loading.is-on { display: flex; }
.pf-spinner {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 3px solid rgba(184, 69, 31, 0.15);
  border-top-color: var(--terra-500);
  animation: pf-spin 0.85s linear infinite;
}
@keyframes pf-spin { to { transform: rotate(360deg); } }
.pf-loading-msg {
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 500;
}
.pf-loading-progress {
  font-size: 12px;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.pf-success {
  display: none;
  background: #fff;
  border: 1px solid rgba(26, 20, 18, 0.08);
  border-radius: 18px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-lift);
  max-width: 480px;
  margin: 40px auto;
}
.pf-success.is-on { display: block; }
.pf-success-ring {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--success-50);
  color: var(--success-700);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.pf-success-ring svg { width: 30px; height: 30px; }
.pf-success h2 {
  font-family: 'Fraunces', ui-serif, Georgia, serif;
  font-weight: 500;
  font-size: 24px;
  margin: 0 0 6px;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.pf-success p {
  margin: 0 0 22px;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.5;
}
.pf-success-actions {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
}

/* ====== Auth gate ====== */
.pf-authgate {
  position: fixed; inset: 0;
  background: var(--canvas);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 12px;
  z-index: 100;
}
.pf-authgate.is-hidden { display: none; }
.pf-authgate p { color: var(--ink-muted); font-size: 14px; }

/* ====== Mobile tightening ====== */
@media (max-width: 480px) {
  .pf-topbar-inner { padding: 12px 14px; }
  .pf-topbar h1 { font-size: 17px; }
  .pf-main { padding: 18px 14px 160px; }
  .pf-card-body { padding: 16px 14px 18px; }
  .pf-card-head { padding: 16px 14px 12px; }
  .pf-footer { padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); }
  .pf-images { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); }
  .pf-success { margin: 24px 14px; padding: 28px 18px; }
}

@media (max-width: 360px) {
  .pf-card-head h2 { font-size: 16px; }
  .pf-input, .pf-textarea, .pf-select { font-size: 14px; }
  .pf-btn { padding: 10px 14px; font-size: 13px; }
}