/* prompt-optimization-premium.css — 产品级精装修覆盖 */

/* === 全局基调 === */
:root {
  --premium-shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.03);
  --premium-shadow-md: 0 1px 3px rgba(0,0,0,0.05), 0 8px 24px rgba(0,0,0,0.05);
  --premium-shadow-lg: 0 2px 4px rgba(0,0,0,0.04), 0 12px 40px rgba(0,0,0,0.06);
  --premium-radius-sm: 10px;
  --premium-radius: 14px;
  --premium-radius-lg: 18px;
  --premium-transition: 220ms ease;
}

body {
  background:
    linear-gradient(rgba(15,23,42,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,0.012) 1px, transparent 1px),
    #f4f7fb;
  background-size: 32px 32px;
}

/* === 工作台面板 === */
.workbench {
  border-radius: var(--premium-radius-lg);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: var(--premium-shadow-lg);
  background:
    linear-gradient(180deg, rgba(239,246,255,0.75), rgba(255,255,255,0) 280px),
    rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 28px 36px 32px;
}

/* === 顶部品牌区 === */
.topbar {
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.eyebrow {
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 11px;
  color: #6b7a90;
}

h1 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-subtitle {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #5b7ab8;
}

.topbar-meta span {
  background: rgba(29,78,216,0.06);
  border: 1px solid rgba(29,78,216,0.1);
  color: #1d4ed8;
  font-size: 12px;
  letter-spacing: 0.03em;
}

/* === 模块选择区 === */
.module-section {
  border: none;
  border-radius: var(--premium-radius);
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(6px);
  box-shadow: var(--premium-shadow-sm);
  padding: 16px 18px 14px;
}

.section-head h3 {
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.part-filter-button {
  border-radius: var(--premium-radius-sm);
  border: 1px solid rgba(0,0,0,0.08);
  font-size: 13px;
  font-weight: 700;
  padding: 0 14px;
  min-height: 36px;
  transition: all var(--premium-transition);
}

.part-filter-button:hover {
  border-color: rgba(29,78,216,0.2);
  box-shadow: 0 2px 8px rgba(29,78,216,0.06);
}

.part-filter-button:active {
  transform: scale(0.96);
  transition: all 80ms ease;
}

.part-filter-button.active {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-color: rgba(29,78,216,0.3);
  box-shadow: 0 2px 10px rgba(29,78,216,0.1);
}

/* === 模块卡片 === */
.module-card {
  border-radius: var(--premium-radius);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: var(--premium-shadow-sm);
  flex: 0 0 186px;
  min-height: 80px;
  padding: 12px 14px;
  transition: all var(--premium-transition);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
}

.module-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--premium-shadow-md);
  border-color: rgba(29,78,216,0.12);
}

.module-card:active {
  transform: translateY(0) scale(0.97);
  transition: all 80ms ease;
}

.module-card.active {
  border-color: #1d4ed8;
  box-shadow: 0 0 0 3px rgba(29,78,216,0.1), var(--premium-shadow-md);
  transform: translateY(-1px);
}

.module-card .module-phase {
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.module-card .module-name {
  font-size: 14px;
  font-weight: 750;
  line-height: 1.4;
}

.module-card .module-meta {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* === 搜索框 === */
.module-search input {
  border-radius: var(--premium-radius-sm);
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
  min-height: 40px;
  padding: 0 14px;
  transition: border-color var(--premium-transition), box-shadow var(--premium-transition);
}

.module-search input:focus {
  border-color: rgba(29,78,216,0.35);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.08), inset 0 1px 3px rgba(0,0,0,0.04);
}

/* === 场景页面 === */
.scene-page {
  margin-top: 18px;
}

.page-nav button {
  border-radius: var(--premium-radius-sm);
  border: 1px solid rgba(0,0,0,0.08);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--premium-transition);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
}

.page-nav button:hover {
  background: rgba(29,78,216,0.04);
  border-color: rgba(29,78,216,0.25);
  box-shadow: 0 2px 8px rgba(29,78,216,0.06);
  transform: translateX(-1px);
}

.page-nav button:active {
  transform: translateX(-1px) scale(0.96);
  transition: all 80ms ease;
}

.nav-step-hint {
  font-weight: 600;
  color: #8593a8;
}

.scene-page-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.scene-option {
  border-radius: var(--premium-radius);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: var(--premium-shadow-sm);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
  min-height: 110px;
  padding: 16px 18px;
  gap: 10px;
  transition: all var(--premium-transition);
}

.scene-option:hover {
  transform: translateY(-2px);
  box-shadow: var(--premium-shadow-md);
  border-color: rgba(29,78,216,0.15);
}

.scene-option:active {
  transform: translateY(0) scale(0.98);
  transition: all 80ms ease;
}

.scene-option.active {
  border-color: #1d4ed8;
  background: linear-gradient(135deg, #eff6ff, #e8f2ff);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.1), var(--premium-shadow-md);
  transform: translateY(-1px);
}

.scene-option span {
  font-size: 16px;
  font-weight: 750;
  letter-spacing: -0.005em;
}

.scene-option small {
  color: #64748b;
  line-height: 1.6;
}

/* === 生成面板 === */
.generator-panel {
  gap: 24px;
  margin-top: 20px;
}

.input-panel,
.result-panel {
  border-radius: var(--premium-radius);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: var(--premium-shadow-md);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
}

.input-panel {
  padding: 22px;
}

.result-panel {
  position: sticky;
  top: 24px;
}

/* === 表单 === */
.prompt-form textarea {
  border-radius: var(--premium-radius-sm);
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
  min-height: 92px;
  padding: 12px 14px;
  line-height: 1.7;
  font-weight: 400;
  color: #374151;
  transition: border-color var(--premium-transition), box-shadow var(--premium-transition);
  resize: vertical;
}

.prompt-form textarea:focus {
  border-color: rgba(29,78,216,0.35);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.06), inset 0 1px 3px rgba(0,0,0,0.04);
}

.prompt-form label {
  font-size: 13px;
  font-weight: 700;
  color: #374151;
}

.privacy-note {
  border-radius: var(--premium-radius-sm);
  background: rgba(180,35,24,0.04);
  border: 1px solid rgba(180,35,24,0.1);
  color: #b45345;
  font-size: 12px;
}

/* === 按钮 === */
#generateButton,
#copyButton {
  border-radius: var(--premium-radius-sm);
  font-weight: 750;
  letter-spacing: 0.02em;
  transition: all var(--premium-transition);
  user-select: none;
}

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 4px 14px rgba(29,78,216,0.25); }
  50% { box-shadow: 0 4px 28px rgba(29,78,216,0.48); }
}
@keyframes btnShimmer {
  0% { left: -100%; }
  100% { left: 200%; }
}

#generateButton:not(:disabled) {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(29,78,216,0.25);
  animation: btnPulse 2800ms ease-in-out infinite;
}

#generateButton:not(:disabled)::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.11), transparent);
  transform: skewX(-25deg);
  animation: btnShimmer 3600ms ease-in-out infinite;
}

#generateButton:not(:disabled):hover {
  box-shadow: 0 6px 20px rgba(29,78,216,0.35);
  transform: translateY(-1px);
  animation: none;
}

#generateButton:not(:disabled):hover::after {
  animation: none;
}

#generateButton:not(:disabled):active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 2px 8px rgba(29,78,216,0.3);
  transition: all 80ms ease;
}

#copyButton:not(:disabled) {
  border-color: rgba(29,78,216,0.25);
  box-shadow: 0 2px 8px rgba(29,78,216,0.08);
  font-weight: 700;
}

#copyButton:not(:disabled):hover {
  background: rgba(29,78,216,0.04);
  border-color: rgba(29,78,216,0.4);
}

#copyButton:not(:disabled):active {
  transform: scale(0.96);
  background: rgba(29,78,216,0.08);
  transition: all 80ms ease;
}

#copyButton.copied {
  border-color: #059669;
  background: #ecfdf5;
  color: #059669;
  box-shadow: 0 0 0 3px rgba(5,150,105,0.1);
}

/* === 结果内联复制按钮 === */
#copyButtonInline {
  display: none;
  width: 100%;
  min-height: 46px;
  margin-top: 12px;
  padding: 0 20px;
  border: none;
  border-radius: var(--premium-radius-sm);
  font-weight: 750;
  font-size: 15px;
  letter-spacing: 0.03em;
  cursor: pointer;
  user-select: none;
  transition: all var(--premium-transition);
}

#copyButtonInline:not(:disabled) {
  display: block;
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: #fff;
  box-shadow: 0 4px 14px rgba(29,78,216,0.25);
  animation: btnPulse 2800ms ease-in-out infinite;
}

#copyButtonInline:not(:disabled):hover {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  box-shadow: 0 4px 22px rgba(29,78,216,0.38);
  transform: translateY(-1px);
}

#copyButtonInline:not(:disabled):active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 2px 8px rgba(29,78,216,0.3);
  transition: all 80ms ease;
}

#copyButtonInline.copied {
  display: block;
  background: #ecfdf5;
  border: 1px solid #059669;
  color: #059669;
  box-shadow: 0 0 0 3px rgba(5,150,105,0.1);
  animation: none;
}

#copyButtonInline:disabled {
  display: none;
}

/* === 输出结构预览 === */
.structure-preview {
  border-radius: var(--premium-radius-sm);
  border: 1px solid rgba(0,0,0,0.05);
  background: rgba(248,250,252,0.7);
}

.result-structure-preview {
  margin: 16px 20px 0;
}

/* === 结果区 === */
.result-head {
  padding: 20px 20px 0;
}

#promptResult {
  border-radius: var(--premium-radius-sm);
  margin: 16px 20px 0;
  padding: 20px;
  background: #0b1424;
  color: #e2eaf6;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
  line-height: 1.8;
  border: 1px solid rgba(255,255,255,0.06);
  min-height: 640px;
}

#promptResult.is-empty {
  background: rgba(248,250,252,0.7);
  color: #8899aa;
  border: 1px dashed rgba(0,0,0,0.08);
}

/* === 质量标签 === */
.quality-strip {
  padding: 14px 20px 20px;
  gap: 6px;
}

.quality-strip span {
  border-radius: var(--premium-radius-sm);
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* === 场景切换按钮 === */
.scene-switch-button {
  border-radius: var(--premium-radius-sm);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(29,78,216,0.12);
  transition: all var(--premium-transition);
}

.scene-switch-button:hover {
  border-color: rgba(29,78,216,0.3);
  background: rgba(29,78,216,0.04);
  box-shadow: 0 2px 8px rgba(29,78,216,0.08);
}

.scene-switch-button:active {
  transform: scale(0.95);
  transition: all 80ms ease;
}

/* === 进度指示 === */
.input-progress {
  border-radius: var(--premium-radius-sm);
  font-size: 12px;
  font-weight: 700;
}

/* === 页脚二维码 === */
.footer-qr {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.qr-item {
  text-align: center;
}

.qr-item img {
  display: block;
  margin: 0 auto 8px;
  border-radius: var(--premium-radius-sm);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: var(--premium-shadow-sm);
}

.qr-item p {
  font-size: 12px;
  color: #6b7a90;
  max-width: 130px;
  line-height: 1.5;
}

/* === Footer === */
.site-footer {
  margin-top: 24px;
  padding: 20px 0 8px;
  border-top: 1px solid rgba(0,0,0,0.05);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.site-footer p {
  color: #8899aa;
}

/* === 空状态 === */
.empty-state {
  border-radius: var(--premium-radius-sm);
  border: 1px dashed rgba(0,0,0,0.08);
  background: rgba(248,250,252,0.5);
  padding: 20px;
  color: #8899aa;
}

/* === 响应式保持 === */
@media (max-width: 980px) {
  .workbench {
    padding: 20px;
    border-radius: var(--premium-radius);
  }

  .generator-panel {
    gap: 18px;
  }

  #promptResult {
    min-height: 440px;
  }

  .footer-qr {
    gap: 24px;
  }
}