/* ═══════════════════════════════════════════════
   礼盒报价计算器 — 紧凑渐变风格 (方案A)
   ═══════════════════════════════════════════════ */
:root {
  --bg: #0f0f23;
  --card: rgba(255, 255, 255, 0.04);
  --card-hover: rgba(255, 255, 255, 0.06);
  --text: #fff;
  --text2: rgba(255, 255, 255, 0.5);
  --text3: rgba(255, 255, 255, 0.35);
  --gradient-1: linear-gradient(135deg, #667eea, #764ba2);
  --gradient-2: linear-gradient(135deg, #f093fb, #f5576c);
  --border: rgba(255, 255, 255, 0.08);
  --accent: #667eea;
  --accent2: #764ba2;
  --success: #4ade80;
  --warning: #fbbf24;
  --radius: 12px;
  --radius-sm: 8px;
  --header-h: 84px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 渐变网格背景 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(102, 126, 234, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(118, 75, 162, 0.12) 0%, transparent 50%),
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 30px 30px, 30px 30px;
}

/* ── Header ── */
.header {
  background: var(--card);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-top {
  height: 44px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header h1 {
  font-size: 14px;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  flex: 1;
  text-align: center;
}

.header p { display: none; }

.header-btns { display: flex; gap: 6px; }
.summary-btn, .settings-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.summary-btn:hover, .settings-btn:hover {
  background: var(--card-hover);
  border-color: rgba(255,255,255,0.15);
}

/* ── Tabs ── */
.tabs-container {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-width: 1400px;
  margin: 10px auto 0;
  width: calc(100% - 32px);
}

/* tabs-container 在 header 内时 */
.header .tabs-container {
  margin: 0;
  width: 100%;
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-bottom: none;
  padding: 4px 16px;
  max-width: 100%;
}
.tabs-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tabs-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
  white-space: nowrap;
  min-width: 36px;
}
.tabs {
  display: flex;
  gap: 4px;
  flex: 1;
}

.tab {
  flex: 1;
  text-align: center;
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s;
  border: none;
  background: transparent;
}
.tab.active {
  background: var(--gradient-1);
  color: #fff;
}
.tab:hover:not(.active) {
  background: var(--card-hover);
  color: var(--text);
}

/* ═══════════════════════════════════════════════
   三栏布局 (桌面端)
   ═══════════════════════════════════════════════ */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 185px;
  gap: 12px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 16px 80px;
  min-height: calc(100vh - var(--header-h));
}

/* 左栏：输入表单 */
.col-input { min-width: 0; }
.col-input .card { margin: 0 0 8px; }

/* 中栏：价格面板 */
.col-price {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  height: fit-content;
  align-self: start;
}
.price-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
}
.price-panel-title {
  font-size: 9px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  text-align: center;
}
.price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
}
.price-item:last-of-type { border-bottom: none; }
.price-item .name { color: var(--text2); }
.price-item .value {
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.price-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0 0;
  margin-top: 6px;
  border-top: 2px solid var(--accent);
  font-size: 14px;
  font-weight: 700;
}
.price-total-row .name { color: var(--text); }
.price-total-row .value {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 计算过程浮层（默认隐藏，点击≡展开） */
.col-process {
  display: none;
  position: fixed;
  right: 0;
  top: var(--header-h);
  bottom: 60px;
  width: 340px;
  z-index: 90;
  overflow-y: auto;
  box-shadow: -4px 0 20px rgba(0,0,0,0.4);
}
.col-process.active {
  display: block;
}
.process-panel {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  color: #333333;
  font-family: "SF Mono", Monaco, monospace;
  font-size: 11px;
  line-height: 1.5;
}
.process-section { margin-bottom: 12px; }
.process-section:last-child { margin-bottom: 0; }
.process-title {
  color: #4a5adf;
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 11px;
}
.process-formula {
  white-space: pre-wrap;
  word-break: break-all;
  display: none;
}
.process-result {
  color: #16a34a;
  margin-top: 2px;
  font-weight: 500;
  display: none;
}
.process-section.expanded .process-formula,
.process-section.expanded .process-result {
  display: block;
}
.process-title {
  cursor: pointer;
  user-select: none;
}
.process-title::after {
  content: ' ▶';
  font-size: 9px;
  opacity: 0.5;
}
.process-section.expanded .process-title::after {
  content: ' ▼';
}

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 8px 0;
  overflow: hidden;
  transition: all 0.2s;
}
.card:hover {
  border-color: rgba(255,255,255,0.12);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.card-header:hover { background: var(--card-hover); }
.card-header .icon { display: none; }

.card-header h3 {
  font-size: 12px;
  font-weight: 700;
  flex: 1;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.price-tag {
  font-size: 13px;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}

/* Card body */
.card-body { padding: 0 14px 14px; }

/* Collapsed state */
.card.collapsed .card-body { display: none; }
.card.collapsed .card-header { padding: 10px 14px; }
.card.collapsed .card-summary { display: block; }
.card-summary {
  display: none;
  font-size: 11px;
  color: var(--text3);
}

/* Accordion arrow */
.card-header::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text3);
  border-bottom: 2px solid var(--text3);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-top: -2px;
}
.card.collapsed .card-header::after {
  transform: rotate(-45deg);
  margin-top: 2px;
}

/* ── Form elements ── */
.form-row {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 4px 8px;
  margin: 5px 0;
}
.card-body .form-row { margin: 5px 0; }

.form-label {
  flex-shrink: 0;
  width: 64px;
  padding-top: 5px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.3;
}

.form-row .chip-group,
.form-row .checkbox-group {
  flex: 1;
  min-width: 0;
}
.form-row .size-row { flex: 1; }
.form-row > input[type="number"],
.form-row > select {
  flex: 1;
  max-width: 160px;
}

.required { color: #f87171; margin-left: 2px; }

.size-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.size-row input {
  width: 70px;
  text-align: center;
}

.size-sep {
  font-size: 12px;
  color: var(--text3);
}

.add-btn, .remove-btn {
  padding: 3px 8px;
  font-size: 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.add-btn {
  background: var(--accent);
  color: white;
}
.add-btn:hover { background: #5b6fd6; }
.remove-btn {
  background: #ef4444;
  color: white;
}
.remove-btn:hover { background: #dc2626; }

/* 动态烫金项样式 */
.foil-extra-item { margin-top: 6px; }
.foil-extra-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.foil-extra-row .chip-group.small {
  display: inline-flex;
  gap: 3px;
}
.foil-extra-row .chip-group.small .chip-item {
  padding: 3px 6px;
  font-size: 10px;
}
.foil-extra-row .size-input { min-width: 60px; }
.foil-extra-row .size-input input { width: 40px; }

.size-input input, input[type="number"], select {
  width: 100%;
  min-width: 80px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 12px;
  font-family: inherit;
  color: var(--text);
  background: rgba(0,0,0,0.3);
  transition: border-color 0.2s;
  -webkit-appearance: none;
  appearance: none;
}
input[type="number"]:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' opacity='0.5' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 6px center;
  background-size: 14px;
  padding-right: 24px;
  cursor: pointer;
}

.unit {
  font-size: 11px;
  color: var(--text3);
  flex-shrink: 0;
  min-width: 16px;
  text-align: center;
}

.input-hint {
  font-size: 10px;
  color: var(--text3);
  margin-top: 3px;
  line-height: 1.3;
}

/* ── Chip group (单选药丸) ── */
.chip-group {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.chip-item {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 5px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-size: 11px;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
  background: rgba(0,0,0,0.2);
  color: var(--text2);
}
.chip-item:hover {
  border-color: rgba(255,255,255,0.15);
  color: var(--text);
}
.chip-item.active {
  background: var(--gradient-1);
  color: white;
  border-color: transparent;
}

/* 自定义克重内联输入框 */
.chip-input {
  cursor: text;
  background: transparent !important;
  color: var(--text2);
  font-size: 11px;
  padding: 5px 4px;
  border: 1px solid var(--border) !important;
  border-radius: 4px;
}
.chip-input:focus {
  border-color: var(--accent) !important;
  color: var(--text);
}
.chip-input::placeholder {
  color: var(--text2);
  opacity: 0.6;
}

/* ── Checkbox group (多选药丸) ── */
.checkbox-group {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 5px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-size: 11px;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
  background: rgba(0,0,0,0.2);
  color: var(--text2);
}
.checkbox-item:hover {
  border-color: rgba(255,255,255,0.15);
  color: var(--text);
}
.checkbox-item.active, .checkbox-item:has(input:checked) {
  background: var(--gradient-1);
  color: white;
  border-color: transparent;
}
.checkbox-item input[type="checkbox"] { display: none; }
.checkbox-item .check-icon { display: none; }
.checkbox-item.active .check-icon {
  display: inline;
  font-size: 10px;
}

/* ── Settings page ── */
.settings-page {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  z-index: 200;
  overflow-y: auto;
}
.settings-page.active { display: block; }

.settings-header {
  background: var(--card);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  color: var(--text);
  padding: 0 16px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 10px;
  position: sticky;
  top: 0;
  z-index: 201;
}
.settings-header h2 {
  font-size: 15px;
  font-weight: 600;
  flex: 1;
  text-align: center;
}
.back-btn {
  background: none;
  border: none;
  color: var(--accent);
  padding: 5px 0;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}
.save-settings-btn {
  background: none;
  border: none;
  color: var(--accent);
  padding: 5px 0;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.settings-section {
  margin: 10px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.settings-section h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text2);
  margin-bottom: 10px;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}
.price-grid .price-item { display: flex; flex-direction: column; }
.price-grid .price-item label {
  font-size: 10px;
  color: var(--text3);
  margin-bottom: 3px;
}
.price-grid .price-item input {
  padding: 6px 8px;
  font-size: 12px;
}
.price-item.full-width { grid-column: 1 / -1; }

/* ── Calculate button (hidden, in sticky bar) ── */
.calc-btn { display: none; }

/* ── Sticky bottom bar ── */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 98;
  background: rgba(15, 15, 35, 0.9);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
}
.sticky-bar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.sticky-price { flex: 1; }
.sticky-price-label {
  font-size: 10px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sticky-price-value {
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}
.sticky-price-sub {
  font-size: 11px;
  color: var(--text3);
}
.sticky-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.sticky-btn {
  padding: 8px 18px;
  border-radius: 6px;
  border: none;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}
.sticky-btn-primary {
  background: var(--gradient-1);
  color: white;
}
.sticky-btn-primary:hover { box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4); }
.sticky-btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}
.sticky-btn-secondary:hover { background: var(--card-hover); }

/* ── Result panel ── */
.result-panel {
  display: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 10px 0;
  overflow: hidden;
}
.result-panel.show { display: block; }

.result-price {
  padding: 20px;
  text-align: center;
}
.result-price .label {
  font-size: 10px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 4px;
}
.result-price .value {
  font-size: 36px;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.result-price .unit {
  font-size: 13px;
  color: var(--text3);
  margin-top: 4px;
}

.result-items { padding: 4px 14px 14px; }
.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.result-item:last-child { border-bottom: none; }
.result-item .name { color: var(--text2); }
.result-item .cost {
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* ── Collapsible process ── */
.collapsible {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 8px 0;
  cursor: pointer;
  user-select: none;
}
.collapsible h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
}
.collapsible .arrow {
  font-size: 11px;
  color: var(--text3);
  transition: transform 0.2s ease;
}
.collapsible.active .arrow { transform: rotate(180deg); }

.calc-process {
  display: none;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: -4px 0 8px;
  padding: 12px;
  font-family: "SF Mono", Monaco, monospace;
  font-size: 11px;
  line-height: 1.6;
  color: #333333;
  overflow-x: auto;
}
.calc-process.show { display: block; }

.process-section {
  margin: 8px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid #dddddd;
}
.process-section:last-child { border-bottom: none; }

.process-title {
  color: #4a5adf;
  font-weight: 600;
  margin-bottom: 3px;
  font-size: 11px;
}
.process-formula {
  white-space: pre-wrap;
  word-break: break-all;
  color: #333333;
}
.process-result {
  color: #16a34a;
  font-weight: 600;
  margin-top: 3px;
}

/* ── Toast ── */
.toast {
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%) translateY(-16px);
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 300;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Compact row layout ── */
.compact-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.compact-col {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
  min-width: 0;
}
.compact-col > input[type="number"] { max-width: 160px; }
.compact-col .size-row { flex: 1; }
.compact-col .input-hint {
  flex: 0 0 100%;
  padding-left: 72px;
  font-size: 10px;
  color: var(--text3);
  line-height: 1.2;
}

/* ── Header Buttons ── */
.header-btns { display: flex; gap: 6px; }
.summary-btn {
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.summary-btn:hover {
  background: var(--card-hover);
}

/* ── Process Toggle Button ── */
.process-toggle-btn {
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.process-toggle-btn.active {
  color: var(--accent);
  border-color: var(--accent);
}
.process-toggle-btn:hover {
  background: var(--card-hover);
  color: var(--text);
}

/* ── Summary Drawer ── */
.summary-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.summary-overlay.active {
  opacity: 1;
  visibility: visible;
}

.summary-drawer {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  max-height: 70vh;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px 16px 0 0;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.3s ease-out;
  display: flex;
  flex-direction: column;
}
.summary-drawer.active { transform: translateY(0); }

.summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.summary-header h2 {
  font-size: 14px;
  font-weight: 600;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.close-btn {
  width: 28px;
  height: 28px;
  font-size: 20px;
  color: var(--text2);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.close-btn:hover {
  background: var(--card-hover);
  color: var(--text);
}

.summary-content {
  padding: 12px 16px;
  overflow-y: auto;
  flex: 1;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text);
  white-space: pre-wrap;
}

.summary-footer {
  padding: 10px 16px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.copy-summary-btn {
  width: 100%;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-1);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.copy-summary-btn:hover {
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}
.copy-summary-btn:active { transform: scale(0.98); }

/* ── Responsive ── */
@media (max-width: 1200px) {
  .main-layout {
    grid-template-columns: 1fr 185px;
  }
}

@media (max-width: 900px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
  .col-price {
    position: static;
    order: -1;
    margin-bottom: 10px;
  }
  .col-process {
    width: 100%;
    right: 0;
    left: 0;
  }
  /* compact-col is now full-width flex row, no min-width needed */
}

@media (max-width: 600px) {
  .tabs { gap: 3px; }
  .tab { padding: 6px 6px; font-size: 11px; }
  .card-header { padding: 8px 12px; }
  .card-body { padding: 0 12px 12px; }
  /* compact-col is now full-width flex row */
  .chip-item { padding: 4px 8px; font-size: 10px; }
}