/* ============================================================================
   payment_config.php v1 — Per-Operator Payment Override admin 視覺
   Palette: 跟 payment_gateway.php 一致(cream parchment + teal ink + saffron)
   設計重點:三段 radio(預設/啟用/停用)+ 簡潔 custom_note textarea
   ============================================================================ */
:root {
  --pmc-cream-50:  #F8F5EC;
  --pmc-cream-100: #EFE9D8;
  --pmc-cream-200: #E2D9BE;
  --pmc-ink:       #0F4C5C;
  --pmc-ink-soft:  #4A6F7A;
  --pmc-ink-mute:  #8B9DA3;
  --pmc-saffron:   #D97706;
  --pmc-saffron-h: #B45309;
  --pmc-forest:    #047857;
  --pmc-forest-d:  #065F46;
  --pmc-danger:    #B91C1C;
  --pmc-paper:     #FFFFFF;
  --pmc-rule:      #D6CFB8;
  --pmc-rule-soft: #E8E2D0;
  --pmc-shadow:    0 1px 2px rgba(15, 76, 92, 0.04), 0 4px 12px rgba(15, 76, 92, 0.06);
  --pmc-radius:    6px;
  --pmc-radius-sm: 4px;
}

.pmc-main {
  font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--pmc-ink);
  background: linear-gradient(135deg, var(--pmc-cream-50) 0%, var(--pmc-cream-100) 100%);
  padding: 32px 36px 120px;
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.55;
}

/* ============================================================================
   HERO
   ============================================================================ */
.pmc-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 36px;
  margin-bottom: 24px;
  background: linear-gradient(120deg, var(--pmc-cream-50) 0%, var(--pmc-cream-100) 60%, var(--pmc-cream-200) 100%);
  border: 1px solid var(--pmc-rule);
  border-left: 5px solid var(--pmc-saffron);
  border-radius: var(--pmc-radius);
  box-shadow: var(--pmc-shadow);
  position: relative;
  overflow: hidden;
}
.pmc-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 180px; height: 100%;
  background: repeating-linear-gradient(90deg, transparent 0, transparent 14px, rgba(15, 76, 92, 0.04) 14px, rgba(15, 76, 92, 0.04) 15px);
  pointer-events: none;
}
.pmc-hero-text { flex: 1 1 auto; min-width: 0; }
.pmc-hero-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pmc-saffron);
  padding: 4px 10px;
  background: rgba(217, 119, 6, 0.1);
  border-radius: 999px;
  margin-bottom: 10px;
}
.pmc-hero h1 {
  font-size: 26px;
  margin: 0 0 8px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--pmc-ink);
  font-family: 'Noto Serif TC', Georgia, serif;
}
.pmc-hero-pid {
  display: inline-block;
  margin-left: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--pmc-ink-mute);
  font-family: 'JetBrains Mono', monospace;
  vertical-align: middle;
}
.pmc-hero-self-badge {
  display: inline-block;
  margin-left: 10px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--pmc-forest-d);
  background: rgba(4, 120, 87, 0.12);
  border: 1px solid rgba(4, 120, 87, 0.3);
  border-radius: 12px;
  font-family: 'Noto Sans TC', sans-serif;
  vertical-align: middle;
  letter-spacing: 0.5px;
}
.pmc-hero-sub {
  font-size: 13px;
  color: var(--pmc-ink-soft);
  margin: 0;
  max-width: 720px;
}
.pmc-hero-sub code {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(15, 76, 92, 0.08);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
  color: var(--pmc-ink);
}
.pmc-hero-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
  flex-shrink: 0;
}
.pmc-hero-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 14px;
  background: var(--pmc-paper);
  border: 1px solid var(--pmc-rule);
  border-radius: var(--pmc-radius);
  min-width: 140px;
}
.pmc-hero-card-label {
  font-size: 10px;
  color: var(--pmc-ink-mute);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pmc-hero-card-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--pmc-ink);
  font-family: 'JetBrains Mono', monospace;
}

/* ============================================================================
   Info banner
   ============================================================================ */
.pmc-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--pmc-radius);
  margin-bottom: 24px;
  font-size: 13px;
  line-height: 1.6;
}
.pmc-banner svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }
.pmc-banner-info {
  background: rgba(15, 76, 92, 0.06);
  border: 1px solid rgba(15, 76, 92, 0.18);
  color: var(--pmc-ink);
}
.pmc-banner strong { color: var(--pmc-ink); font-weight: 700; }
.pmc-banner code {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(15, 76, 92, 0.08);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
  color: var(--pmc-ink);
}

/* ============================================================================
   Rows
   ============================================================================ */
.pmc-rows {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.pmc-row {
  background: var(--pmc-paper);
  border: 1px solid var(--pmc-rule);
  border-left: 4px solid var(--pmc-ink-mute);
  border-radius: var(--pmc-radius);
  padding: 22px 24px;
  box-shadow: var(--pmc-shadow);
}
.pmc-row.is-default { border-left-color: var(--pmc-ink-mute); }
.pmc-row.is-on      { border-left-color: var(--pmc-forest); }
.pmc-row.is-off     { border-left-color: var(--pmc-saffron); }

.pmc-row-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.pmc-row-title {
  display: flex;
  align-items: center;
  gap: 12px;
}
.pmc-row-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 76, 92, 0.08);
  border-radius: 8px;
  color: var(--pmc-ink);
}
.pmc-row-icon svg { width: 20px; height: 20px; }
.pmc-row-title-text h2 {
  font-size: 17px;
  margin: 0 0 2px;
  font-weight: 700;
  color: var(--pmc-ink);
  font-family: 'Noto Serif TC', Georgia, serif;
}
.pmc-row-code {
  font-size: 12px;
  color: var(--pmc-ink-mute);
  font-family: 'JetBrains Mono', monospace;
}
.pmc-mode-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pmc-mode-badge.is-default { background: rgba(100, 116, 139, 0.15); color: #475569; }
.pmc-mode-badge.is-on      { background: rgba(4, 120, 87, 0.12); color: var(--pmc-forest-d); }
.pmc-mode-badge.is-off     { background: rgba(217, 119, 6, 0.12); color: var(--pmc-saffron-h); }

/* ============================================================================
   Override form (radio + textarea)
   ============================================================================ */
.pmc-row-body { display: flex; flex-direction: column; gap: 14px; }
.pmc-override {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 18px;
}
.pmc-field { display: flex; flex-direction: column; gap: 6px; }
.pmc-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--pmc-ink-soft);
  display: flex;
  align-items: center;
  gap: 6px;
}
.pmc-hint {
  font-size: 11px;
  font-weight: 400;
  color: var(--pmc-ink-mute);
}
.pmc-radio-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pmc-radio {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--pmc-rule);
  border-radius: var(--pmc-radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--pmc-ink);
  transition: all 120ms;
}
.pmc-radio:hover { background: rgba(15, 76, 92, 0.04); }
.pmc-radio input[type="radio"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--pmc-rule);
  border-radius: 50%;
  flex-shrink: 0;
  margin: 0;
  position: relative;
  transition: border-color 120ms;
}
.pmc-radio input[type="radio"]:checked {
  border-color: var(--pmc-saffron);
  background: var(--pmc-saffron);
  box-shadow: inset 0 0 0 3px var(--pmc-paper);
}
.pmc-radio-text { flex: 1; }
.pmc-radio:has(input:checked) {
  background: rgba(217, 119, 6, 0.08);
  border-color: var(--pmc-saffron);
}

.pmc-textarea {
  padding: 9px 12px;
  border: 1px solid var(--pmc-rule);
  border-radius: var(--pmc-radius-sm);
  font-family: inherit;
  font-size: 13px;
  color: var(--pmc-ink);
  background: var(--pmc-paper);
  resize: vertical;
  min-height: 70px;
}
.pmc-textarea:focus {
  outline: none;
  border-color: var(--pmc-saffron);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

.pmc-meta {
  font-size: 11px;
  color: var(--pmc-ink-mute);
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
}

/* ============================================================================
   Actions
   ============================================================================ */
.pmc-row-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--pmc-rule-soft);
  justify-content: flex-end;
}
.pmc-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--pmc-radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: all 120ms;
  text-decoration: none;
}
.pmc-action svg { width: 14px; height: 14px; }
.pmc-action:disabled { opacity: 0.55; cursor: wait; }
.pmc-action-primary {
  background: var(--pmc-saffron);
  color: white;
  border-color: var(--pmc-saffron);
}
.pmc-action-primary:hover:not(:disabled) {
  background: var(--pmc-saffron-h);
  border-color: var(--pmc-saffron-h);
}
.pmc-action-ghost {
  background: transparent;
  color: var(--pmc-ink-soft);
  border-color: var(--pmc-rule);
}
.pmc-action-ghost:hover:not(:disabled) {
  background: rgba(15, 76, 92, 0.06);
  color: var(--pmc-ink);
  border-color: var(--pmc-ink-mute);
}
.pmc-action-danger {
  color: var(--pmc-danger);
  border-color: rgba(185, 28, 28, 0.3);
}
.pmc-action-danger:hover:not(:disabled) {
  background: rgba(185, 28, 28, 0.08);
  color: var(--pmc-danger);
  border-color: var(--pmc-danger);
}

/* ============================================================================
   Feedback
   ============================================================================ */
.pmc-row-feedback {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: var(--pmc-radius-sm);
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
}
.pmc-row-feedback.is-success {
  background: rgba(4, 120, 87, 0.1);
  color: var(--pmc-forest-d);
  border-left: 3px solid var(--pmc-forest);
}
.pmc-row-feedback.is-error {
  background: rgba(185, 28, 28, 0.08);
  color: var(--pmc-danger);
  border-left: 3px solid var(--pmc-danger);
}

/* ============================================================================
   Toast
   ============================================================================ */
.pmc-toast {
  position: fixed;
  top: 80px;
  right: 24px;
  padding: 12px 18px;
  background: var(--pmc-ink);
  color: white;
  border-radius: var(--pmc-radius);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(15, 76, 92, 0.06), 0 12px 32px rgba(15, 76, 92, 0.10);
  z-index: 9999;
  animation: pmcToastIn 200ms ease-out;
}
.pmc-toast.is-success { background: var(--pmc-forest); }
.pmc-toast.is-error   { background: var(--pmc-danger); }
@keyframes pmcToastIn {
  from { transform: translateY(-12px); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

/* ============================================================================
   Back link
   ============================================================================ */
.pmc-back {
  margin-top: 24px;
  text-align: center;
}
.pmc-back-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 auto;
  padding: 10px 18px;
  font-size: 13px;
  color: var(--pmc-ink-soft);
  background: rgba(255, 255, 255, 0.6);
  border: 1px dashed var(--pmc-rule);
  border-radius: var(--pmc-radius);
  max-width: 640px;
}
.pmc-back-hint svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--pmc-saffron);
}

/* ============================================================================
   Responsive
   ============================================================================ */
@media (max-width: 880px) {
  .pmc-hero { flex-direction: column; }
  .pmc-hero-meta { flex-direction: row; align-self: stretch; }
  .pmc-hero-card { flex: 1; }
  .pmc-override { grid-template-columns: 1fr; }
  .pmc-row-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .pmc-hero-meta { flex-direction: column; }
  .pmc-row-actions { flex-direction: column; }
  .pmc-action { width: 100%; justify-content: center; }
}