/* 引入字体 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* ===== 品牌色 ===== */
  --color-brand:        #09BA07;
  --color-brand-dark:   #07A005;
  --color-brand-subtle: rgba(9, 186, 7, 0.10);
  --color-brand-ghost:  rgba(9, 186, 7, 0.06);
  --color-brand-light:  #52D450;

  /* ===== AI 专属色 ===== */
  --color-ai-bubble:      #F0FBF0;
  --color-ai-grad-start:  #09BA07;
  --color-ai-grad-end:    #52D450;
  --color-user-bubble:    #F4F5F7;
  --color-stream-cursor:  #09BA07;
  --color-ai-overlay:     rgba(0,0,0,0.55);

  /* ===== 语义色（含 -bg / -text 三档）===== */
  --color-error:         #FA5151;
  --color-error-bg:      #FFF2F2;
  --color-error-text:    #D93025;

  --color-warning:       #F86D10;
  --color-warning-bg:    #FFF7F0;
  --color-warning-text:  #C95500;

  --color-info:          #3388FF;
  --color-info-bg:       #F0F7FF;
  --color-info-text:     #0057CC;

  --color-success:       #12B76A;
  --color-success-bg:    #ECFDF3;
  --color-success-text:  #027A48;

  /* ===== 文字色 ===== */
  --text-primary:   rgba(0, 0, 0, 0.80);
  --text-secondary: rgba(0, 0, 0, 0.60);
  --text-tertiary:  rgba(0, 0, 0, 0.50);
  --text-disabled:  rgba(0, 0, 0, 0.25);

  /* ===== 描边 ===== */
  --border-strong: rgba(0, 0, 0, 0.20);
  --border-weak:   rgba(0, 0, 0, 0.10);

  /* ===== 填充色 ===== */
  --fill-page:    #F7F8FA;
  --fill-card:    #FFFFFF;
  --fill-control: rgba(0, 0, 0, 0.06);
  --fill-hover:   rgba(0, 0, 0, 0.04);

  /* ===== 渐变 ===== */
  --gradient-ai:           linear-gradient(135deg, #09BA07 0%, #52D450 100%);
  --gradient-brand-banner: linear-gradient(90deg, #07A005 0%, #09BA07 50%, #52D450 100%);
  --gradient-stream:       linear-gradient(90deg, #09BA07, #52D450, #09BA07);

  /* ===== 字体 ===== */
  --font-sans:    'Inter', 'PingFang SC', 'Microsoft YaHei UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'SF Mono', Menlo, Consolas, 'Courier New', monospace;
  --font-numeric: 'Altinn-DIN', 'DIN Pro', 'Inter', sans-serif;

  /* ===== 字号 ===== */
  --text-display: clamp(2rem, 5vw, 3rem);        /* 32px - 48px */
  --text-h1:      clamp(1.5rem, 4vw, 2.25rem);   /* 24px - 36px */
  --text-h2:      clamp(1.25rem, 3vw, 1.75rem);  /* 20px - 28px */
  --text-h3:      clamp(1.125rem, 2.5vw, 1.375rem); /* 18px - 22px */
  --text-h4:      clamp(1rem, 2vw, 1.125rem);    /* 16px - 18px */
  --text-body-lg: clamp(0.875rem, 1.5vw, 1rem);  /* 14px - 16px */
  --text-body:    clamp(0.8125rem, 1.4vw, 0.875rem); /* 13px - 14px */
  --text-body-sm: clamp(0.75rem, 1.3vw, 0.8125rem);  /* 12px - 13px */
  --text-label:   clamp(0.75rem, 1.2vw, 0.8125rem);  /* 12px - 13px */
  --text-caption: clamp(0.75rem, 1.2vw, 0.8125rem);  /* 12px - 13px */

  /* ===== 数字字号 ===== */
  --text-num-display: clamp(1.75rem, 4.5vw, 2.625rem); /* 28px - 42px */
  --text-num-stat:    clamp(1.5rem, 4vw, 2.25rem);     /* 24px - 36px */
  --text-num-h2:      clamp(1.25rem, 3vw, 1.75rem);    /* 20px - 28px */
  --text-num-body:    clamp(0.875rem, 1.5vw, 1rem);    /* 14px - 16px */

  /* ===== 间距 ===== */
  --space-2xs:  2px;
  --space-xs:   4px;
  --space-sm:   clamp(6px, 1vw, 8px);
  --space-md:   clamp(8px, 1.5vw, 12px);
  --space-base: clamp(12px, 2vw, 16px);
  --space-lg:   clamp(16px, 2.5vw, 20px);
  --space-xl:   clamp(20px, 3vw, 24px);
  --space-2xl:  clamp(24px, 4vw, 32px);
  --space-3xl:  clamp(32px, 6vw, 48px);
  --space-4xl:  clamp(48px, 8vw, 64px);
  --space-5xl:  clamp(64px, 12vw, 96px);

  /* ===== 容器宽度 ===== */
  --container-chat:    760px;
  --container-content: 1024px;
  --container-layout:  1280px;
  --container-full:    1440px;
  --container-margin:  24px;

  /* ===== 圆角 ===== */
  --radius-none: 0;
  --radius-xs:   4px;
  --radius-sm:   6px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  24px;
  --radius-3xl:  32px;
  --radius-full: 9999px;

  /* ===== 阴影（双层叠加）===== */
  --shadow-xs:      0 1px 2px rgba(0,0,0,0.06), 0 1px 1px rgba(0,0,0,0.04);
  --shadow-sm:      0 2px 6px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md:      0 4px 14px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg:      0 8px 24px rgba(0,0,0,0.10), 0 3px 8px rgba(0,0,0,0.07);
  --shadow-xl:      0 16px 40px rgba(0,0,0,0.12), 0 6px 14px rgba(0,0,0,0.08);
  --shadow-2xl:     0 24px 60px rgba(0,0,0,0.16), 0 10px 20px rgba(0,0,0,0.10);
  --shadow-brand:   0 4px 16px rgba(9,186,7,0.30), 0 1px 4px rgba(9,186,7,0.20);
  --shadow-ai-glow: 0 0 20px rgba(9,186,7,0.20), 0 0 6px rgba(9,186,7,0.30);
  --shadow-inset:   inset 0 1px 3px rgba(0,0,0,0.10);

  /* ===== 缓动 ===== */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-enter:    cubic-bezier(0.0, 0, 0.2, 1);
  --ease-exit:     cubic-bezier(0.4, 0, 1, 1);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-ai:       cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* ===== 时长 ===== */
  --duration-instant: 100ms;
  --duration-fast:    150ms;
  --duration-normal:  200ms;
  --duration-slow:    300ms;
  --duration-slower:  400ms;
  --duration-stream:  600ms;

  /* ===== Skeleton ===== */
  --skeleton-base:    rgba(0, 0, 0, 0.08);
  --skeleton-shimmer: rgba(0, 0, 0, 0.04);

  /* ===== 断点 ===== */
  --bp-xs:  480px;
  --bp-sm:  768px;
  --bp-md:  1024px;
  --bp-lg:  1280px;
  --bp-xl:  1536px;

  /* compatibility aliases for existing styles */
  --bg: var(--fill-page);
  --bg-strong: #eff4ef;
  --panel: color-mix(in srgb, var(--fill-card) 88%, transparent);
  --panel-strong: var(--fill-card);
  --ink: var(--text-primary);
  --muted: var(--text-secondary);
  --line: var(--border-weak);
  --brand: var(--color-brand-dark);
  --brand-2: var(--color-brand);
  --accent: var(--color-warning);
  --danger: var(--color-error);
  --shadow: var(--shadow-xl);
}

/* ===== 深色模式覆盖 ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --color-ai-bubble:      #1A2E1A;
    --color-user-bubble:     #2A2A2A;
    --color-stream-cursor:   #52D450;
    --color-ai-overlay:      rgba(0,0,0,0.65);

    --color-error-bg:       rgba(250, 81, 81, 0.12);
    --color-warning-bg:     rgba(248, 109, 16, 0.12);
    --color-info-bg:        rgba(51, 136, 255, 0.12);
    --color-success-bg:     rgba(18, 183, 106, 0.12);

    --text-primary:   rgba(255, 255, 255, 1.00);
    --text-secondary: rgba(255, 255, 255, 0.80);
    --text-tertiary:  rgba(255, 255, 255, 0.55);
    --text-disabled:  rgba(255, 255, 255, 0.30);

    --border-strong:  rgba(255, 255, 255, 0.20);
    --border-weak:    rgba(255, 255, 255, 0.10);

    --fill-page:    #0F0F0F;
    --fill-card:    #1A1A1A;
    --fill-control: rgba(255, 255, 255, 0.08);
    --fill-hover:   rgba(255, 255, 255, 0.06);

    --shadow-xs:      0 1px 2px rgba(0,0,0,0.25), 0 1px 1px rgba(0,0,0,0.20);
    --shadow-sm:      0 2px 6px rgba(0,0,0,0.30), 0 1px 2px rgba(0,0,0,0.25);
    --shadow-md:      0 4px 14px rgba(0,0,0,0.40), 0 2px 4px rgba(0,0,0,0.30);
    --shadow-lg:      0 8px 24px rgba(0,0,0,0.50), 0 3px 8px rgba(0,0,0,0.35);
    --shadow-xl:      0 16px 40px rgba(0,0,0,0.60), 0 6px 14px rgba(0,0,0,0.40);
    --shadow-brand:   0 4px 20px rgba(9,186,7,0.45), 0 1px 4px rgba(9,186,7,0.30);
    --shadow-inset:   inset 0 1px 3px rgba(0,0,0,0.30);

    --skeleton-base:    rgba(255, 255, 255, 0.08);
    --skeleton-shimmer: rgba(255, 255, 255, 0.04);
  }
}

/* ===== 动效组件 ===== */
@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.stream-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--color-stream-cursor);
  border-radius: 1px;
  animation: cursor-blink 1000ms ease-in-out infinite;
  vertical-align: text-bottom;
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.shimmer-bar {
  height: 4px;
  background: linear-gradient(
    90deg,
    rgba(9,186,7,0.15) 0%,
    #09BA07 50%,
    rgba(9,186,7,0.15) 100%
  );
  background-size: 50% 100%;
  animation: shimmer 1.6s ease infinite;
  border-radius: 2px;
}

@keyframes pulse-dot {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40%           { transform: scale(1.0); opacity: 1.0; }
}

.ai-thinking-dots span {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-brand);
  border-radius: 50%;
  animation: pulse-dot 1.4s ease-in-out infinite;
}

.ai-thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.ai-thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes token-fade {
  0%   { opacity: 0; transform: translateY(2px); }
  100% { opacity: 1; transform: translateY(0); }
}

.stream-token {
  animation: token-fade var(--duration-stream, 600ms) var(--ease-ai);
}

/* ===== Skeleton 骨架屏 ===== */
@keyframes skeleton-wave {
  0%   { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--skeleton-base) 25%,
    var(--skeleton-shimmer) 50%,
    var(--skeleton-base) 75%
  );
  background-size: 400px 100%;
  animation: skeleton-wave 1.4s ease infinite;
  border-radius: var(--radius-md);
}

/* ===== 无障碍动效降级 ===== */
@layer base {
  @media (prefers-reduced-motion: reduce) {
    .stream-cursor,
    .ai-avatar-thinking,
    .skeleton,
    .card-enter,
    .stream-token {
      animation: none !important;
      transition: none !important;
    }
    .stream-cursor { opacity: 1; }
    .page-transition { transition-duration: 1ms; }
  }
}

/* ===== 响应式容器宽度 ===== */
@media (max-width: 767px) {
  :root {
    --container-margin: 16px;
    --container-chat:    100%;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  :root {
    --container-margin: 24px;
    --container-chat:    100%;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-margin: 24px;
    --container-chat:    760px;
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  height: 100%;
  min-height: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 0% 0%, rgba(9, 186, 7, 0.16), transparent 24%),
    radial-gradient(circle at 100% 0%, rgba(82, 212, 80, 0.12), transparent 20%),
    linear-gradient(180deg, var(--fill-page), var(--bg-strong));
  overflow: hidden;
}

/* 基础排版 */
h1 {
  font-size: var(--text-h1);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

h2 {
  font-size: var(--text-h2);
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
}

h3 {
  font-size: var(--text-h3);
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
}

h4 {
  font-size: var(--text-h4);
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-primary);
}

p {
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--text-secondary);
}

/* 数字字体 */
.num {
  font-family: var(--font-numeric);
  font-variant-numeric: tabular-nums;
}

button,
input,
textarea,
select {
  font: inherit;
}

/* 按钮样式矩阵 */
button {
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard),
              opacity var(--duration-fast) var(--ease-standard),
              background-color var(--duration-fast) var(--ease-standard);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:hover {
  transform: translateY(-1px);
}

button:focus {
  outline: none;
}

button:focus-visible {
  outline: 3px solid var(--color-brand);
  outline-offset: 2px;
}

button:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
  box-shadow: none;
}

/* 按钮尺寸 */
.btn-xl {
  height: 52px;
  font-size: 17px;
  padding: 0 28px;
}

.btn-lg {
  height: 44px;
  font-size: 15px;
  padding: 0 24px;
}

.btn-md {
  height: 36px;
  font-size: 14px;
  padding: 0 20px;
}

.btn-sm {
  height: 30px;
  font-size: 13px;
  padding: 0 16px;
}

.btn-xs {
  height: 24px;
  font-size: 12px;
  padding: 0 12px;
}

/* 按钮变体 */
button[type="submit"],
.btn-primary {
  background: var(--color-brand);
  color: white;
  box-shadow: var(--shadow-sm);
}

button[type="submit"]:hover,
.btn-primary:hover {
  background: var(--color-brand-dark);
  box-shadow: var(--shadow-brand);
}

button[type="submit"]:active,
.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: white;
  color: var(--color-brand);
  border: 1px solid var(--color-brand);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: var(--color-brand-subtle);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-weak);
}

.btn-ghost:hover {
  background: var(--fill-hover);
}

.btn-danger {
  background: var(--color-error);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
  background: var(--color-error-text);
}

.btn-ai {
  background: var(--gradient-ai);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-ai:hover {
  box-shadow: var(--shadow-ai-glow);
}

/* 链接按钮 */
.link-button {
  background: transparent;
  color: var(--color-brand);
  padding: 0;
  font-weight: 700;
  border-radius: 0;
}

.link-button:hover {
  text-decoration: underline;
}

/* 输入框样式 */
input,
textarea,
select {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-weak);
  background: var(--fill-control);
  padding: 12px 16px;
  color: var(--text-primary);
  transition: border-color var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard),
              background-color var(--duration-fast) var(--ease-standard);
}

input:hover,
textarea:hover,
select:hover {
  border-color: var(--border-strong);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-brand);
  background: var(--fill-card);
  box-shadow: 0 0 0 3px var(--color-brand-subtle);
}

input:invalid,
textarea:invalid,
select:invalid {
  border-color: var(--color-error);
  background: var(--color-error-bg);
  box-shadow: 0 0 0 3px var(--color-error-bg);
}

input:disabled,
textarea:disabled,
select:disabled {
  border-color: var(--border-weak);
  background: var(--fill-page);
  cursor: not-allowed;
  opacity: 0.55;
}

textarea {
  resize: vertical;
  min-height: 112px;
  line-height: 1.6;
}

/* 页面布局 */
.page-shell {
  width: min(1400px, calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0 16px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  padding: 12px 16px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(255, 250, 241, 0.95), rgba(236, 245, 239, 0.92)),
    var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-standard);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9, 186, 7, 0.08), transparent 70%);
  border-radius: var(--radius-2xl);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 138, 10, 0.15), transparent 60%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-8px) scale(1.05); }
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  margin: 4px 0 4px;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  max-width: 25ch;
  font-weight: 600;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-copy p {
  max-width: 80ch;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
  font-size: var(--text-body-sm);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-full);
  padding: 8px 14px;
  background: var(--color-brand-subtle);
  color: var(--color-brand);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(9, 186, 7, 0.2);
  transition: all var(--duration-fast) var(--ease-standard);
}

.hero-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(9, 186, 7, 0.3);
}

.hero-side {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  align-self: start;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
  animation: fadeInUp var(--duration-slow) var(--ease-enter);
  height: min(900px, calc(100svh - 120px));
  min-height: 700px;
  max-width: 1920px;
  margin-left: auto;
  margin-right: auto;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel,
.sub-panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-2xl);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.08),
    0 1px 4px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  transition: all var(--duration-fast) var(--ease-standard);
  overflow: hidden;
}

.panel:hover,
.sub-panel:hover {
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.95);
}

.panel {
  padding: 24px;
}

.panel-title h2,
.detail-header h2,
.sub-panel h3 {
  margin: 0;
}

.panel-title p,
.detail-header p {
  margin: 8px 0 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

.settings-flyout {
  position: relative;
  justify-self: end;
}

.settings-icon-button {
  list-style: none;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border-weak);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.settings-icon-button:hover {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.settings-icon-button::-webkit-details-marker {
  display: none;
}

.settings-icon-button svg {
  width: 20px;
  height: 20px;
  fill: var(--text-primary);
}

.settings-flyout-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(420px, calc(100vw - 40px));
  padding: 18px;
  border-radius: var(--radius-2xl);
  background: rgba(255, 252, 246, 0.96);
  border: 1px solid var(--border-weak);
  box-shadow: var(--shadow-xl);
  z-index: 20;
}

.settings-flyout-head {
  margin-bottom: 12px;
}

.settings-flyout-head div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.settings-flyout-head strong {
  font-size: 16px;
  font-weight: 600;
}

.settings-flyout-head span {
  color: var(--text-tertiary);
  font-size: var(--text-body-sm);
}

.settings-section {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-weak);
}

.settings-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.settings-section-head strong {
  font-size: 15px;
  font-weight: 600;
}

.settings-section-head span {
  color: var(--text-tertiary);
  font-size: var(--text-body-sm);
}

.account-card {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border-weak);
}

.account-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.account-card-head strong {
  font-size: 15px;
  font-weight: 600;
}

.account-card-head span,
.account-card p {
  color: var(--text-secondary);
}

.account-card p {
  margin: 0;
  line-height: 1.7;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: var(--radius-full);
  background: var(--color-brand-subtle);
  color: var(--color-brand);
  font-size: var(--text-label);
  font-weight: 700;
}

.compact-actions {
  margin-top: -4px;
}

.stack-form,
.compare-form {
  display: grid;
  gap: 16px;
}

.compact-form {
  margin-top: 0;
}

.stack-form {
  margin-top: 18px;
}

.form-helper {
  color: var(--text-tertiary);
  font-size: var(--text-body-sm);
  line-height: 1.6;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 600;
  font-size: var(--text-body);
}

/* 表单布局 */
.dual-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.compact-actions {
  margin-top: -4px;
}

/* 提示框样式 */
.callout,
.upload-link-card,
.empty-card,
.loading,
.compare-summary {
  border-radius: var(--radius-xl);
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border-weak);
}

.callout {
  margin-top: 18px;
  color: var(--color-brand);
}

.subtle-callout {
  margin-top: 0;
  margin-bottom: 16px;
  color: var(--text-primary);
}

/* 集合列表样式 */
.collection-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.collection-item {
  width: 100%;
  text-align: left;
  padding: 16px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--border-weak);
  border-radius: var(--radius-xl);
  display: grid;
  gap: 12px;
  transition: all var(--duration-fast) var(--ease-standard);
}

.collection-item:hover {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.collection-item strong,
.empty-card h3 {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.collection-item span,
.empty-card p,
.compare-card p,
.compare-meta {
  color: var(--text-secondary);
}

.collection-item.active {
  border-color: var(--color-brand);
  background: linear-gradient(135deg, rgba(219, 233, 220, 0.85), rgba(255, 255, 255, 0.75));
  box-shadow: var(--shadow-sm);
}

.collection-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: var(--text-body-sm);
  color: var(--text-tertiary);
}

/* 详情面板 */
.detail-panel {
  height: 100%;
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.empty-state {
  flex: 1;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--text-tertiary);
}

.chat-welcome {
  display: grid;
  gap: 14px;
  max-width: 520px;
}

.chat-welcome-badge {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  background: var(--color-brand-subtle);
  color: var(--color-brand);
  font-size: var(--text-label);
  font-weight: 700;
}

/* 工作区布局 */
.panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  transition: all var(--duration-fast) var(--ease-standard);
}

.panel.collapsed {
  flex-shrink: 1;
  min-height: 80px;
}

.panel.collapsed .panel-header {
  border-radius: var(--radius-2xl);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-weak);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.6));
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  backdrop-filter: blur(8px);
  transition: all var(--duration-fast) var(--ease-standard);
}

.panel:hover .panel-header {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.95) inset;
}

.panel-header h3 {
  margin: 0;
  font-size: var(--text-h4);
  font-weight: 600;
}

.panel-collapse-button {
  background: transparent;
  border: none;
  padding: 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-collapse-button:hover {
  background: var(--fill-hover);
  transform: none;
  box-shadow: none;
}

.panel-content {
  flex: 1;
  padding: 20px;
  overflow: auto;
  min-height: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  transition: all var(--duration-fast) var(--ease-standard);
}

.panel:hover .panel-content {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.1));
}

.chat-shell {
  min-height: 0;
  height: 100%;
  position: relative;
}

.chat-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9, 186, 7, 0.04), transparent 70%);
  border-radius: var(--radius-2xl);
  pointer-events: none;
}

.chat-workspace {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  position: relative;
  z-index: 1;
  padding: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  transition: all var(--duration-fast) var(--ease-standard);
}

.panel:hover .chat-workspace {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.1));
}

.detail-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
}

.chat-topbar {
  flex: 0 0 auto;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-weak);
}

.chat-topbar h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.08;
}

/* 代码样式 */
code {
  font-family: var(--font-mono);
  font-size: var(--text-body-sm);
  word-break: break-all;
  background: rgba(0,0,0,0.06);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

/* 工作区卡片 */
.workspace-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 0;
}

.workspace-card {
  padding: 16px 18px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border-weak);
  transition: all var(--duration-fast) var(--ease-standard);
}

.workspace-card:hover {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.workspace-card span {
  display: block;
  color: var(--text-tertiary);
  font-size: var(--text-body-sm);
  margin-bottom: 8px;
}

.workspace-card strong {
  font-size: var(--text-num-stat);
  line-height: 1.1;
  font-weight: 600;
}

/* 面板布局 */
.uploads-panel .panel-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.uploads-panel .table-wrap {
  flex: 1;
  min-height: 0;
}

.compare-panel .panel-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.compare-result {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

/* 响应式布局优化 */
@media (max-width: 1536px) {
  .page-shell {
    width: min(1320px, calc(100% - 32px));
  }

  .dashboard {
    height: min(850px, calc(100svh - 130px));
  }
}

@media (max-width: 1280px) {
  .page-shell {
    width: min(1180px, calc(100% - 32px));
  }

  .dashboard {
    height: min(800px, calc(100svh - 140px));
  }

  .hero {
    gap: 16px;
  }

  .hero-copy h1 {
    font-size: clamp(20px, 3vw, 26px);
  }
}

@media (max-width: 1280px) {
  .dashboard {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    height: auto;
    min-height: 600px;
    gap: 14px;
  }

  .compare-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1024px) {
  .page-shell {
    width: min(980px, calc(100% - 24px));
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .hero-side {
    justify-content: flex-start;
  }

  .hero-copy h1 {
    font-size: clamp(20px, 4vw, 28px);
    max-width: none;
  }

  .hero-copy p {
    font-size: var(--text-body);
    max-width: none;
  }

  .workspace-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compare-form {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .compare-form button {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .page-shell {
    width: min(100% - 16px, 720px);
    padding: 12px 0 24px;
  }

  .hero {
    padding: 16px;
    gap: 14px;
    border-radius: var(--radius-xl);
  }

  .hero-copy h1 {
    font-size: clamp(20px, 5vw, 28px);
    margin: 4px 0 8px;
    line-height: 1.2;
  }

  .hero-copy p {
    font-size: var(--text-body);
    line-height: 1.5;
  }

  .hero-badge {
    padding: 6px 12px;
    font-size: 11px;
  }

  .dashboard {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 12px;
    margin-top: 12px;
  }

  .compare-panel {
    grid-column: 1;
  }

  .panel {
    border-radius: var(--radius-xl);
  }

  .panel-header {
    padding: 12px 16px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .panel-header h3 {
    font-size: var(--text-h4);
  }

  .panel-content {
    padding: 16px;
  }

  .chat-workspace {
    padding: 16px;
    gap: 14px;
  }

  .chat-bubble {
    padding: 16px 20px;
    max-width: 100%;
  }

  .chat-composer {
    padding: 16px;
    border-radius: var(--radius-xl);
  }

  .chat-composer textarea {
    min-height: 100px;
  }

  .chat-composer-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .chat-composer-footer button {
    width: 100%;
  }

  .compare-form {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .dual-actions {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .workspace-strip {
    grid-template-columns: 1fr;
  }

  .settings-flyout-panel {
    left: 0;
    right: 0;
    width: calc(100vw - 32px);
    margin: 0 auto;
  }

  .header-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .header-actions button {
    width: 100%;
  }

  table {
    min-width: 600px;
    font-size: var(--text-body-sm);
  }

  th, td {
    padding: 10px 8px;
  }
}

@media (max-width: 480px) {
  .page-shell {
    width: min(100% - 12px, 460px);
    padding: 8px 0 20px;
  }

  .hero {
    padding: 14px;
    gap: 12px;
  }

  .hero-copy h1 {
    font-size: clamp(18px, 6vw, 24px);
  }

  .hero-copy p {
    font-size: var(--text-body-sm);
  }

  .panel-header {
    padding: 10px 14px;
  }

  .panel-header h3 {
    font-size: var(--text-body-lg);
  }

  .panel-collapse-button {
    padding: 6px;
  }

  .panel-collapse-button svg {
    width: 16px;
    height: 16px;
  }

  .panel-content {
    padding: 14px;
  }

  .chat-workspace {
    padding: 14px;
    gap: 12px;
  }

  .chat-bubble {
    padding: 14px 18px;
  }

  .chat-composer {
    padding: 14px;
  }

  .chat-composer textarea {
    min-height: 90px;
  }

  .chat-suggestion-grid {
    grid-template-columns: 1fr;
  }

  .upload-entry-inline-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .selection-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .settings-flyout-panel {
    width: calc(100vw - 24px);
    padding: 14px;
  }

  .settings-section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .table-wrap {
    max-height: 300px;
  }

  table {
    min-width: 500px;
  }

  .compare-card-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .price-badge {
    text-align: left;
    min-width: auto;
    width: 100%;
  }

  .offer-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 360px) {
  .page-shell {
    width: min(100% - 8px, 340px);
  }

  .hero {
    padding: 12px;
  }

  .hero-copy h1 {
    font-size: clamp(16px, 7vw, 20px);
  }

  .panel-header {
    padding: 8px 12px;
  }

  .panel-header h3 {
    font-size: var(--text-body);
  }

  .panel-content {
    padding: 12px;
  }

  .chat-composer {
    padding: 12px;
  }

  .chat-composer textarea {
    min-height: 80px;
  }

  .chat-bubble {
    padding: 12px 16px;
  }

  .btn-md {
    height: 32px;
    padding: 0 16px;
  }

  .btn-sm {
    height: 28px;
    padding: 0 12px;
  }
}

.sidebar-summary-panel {
  display: grid;
  gap: 16px;
}

.sidebar-workspace-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sub-panel {
  padding: 18px;
}

.sub-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.compact-stack-form {
  margin-top: 0;
}

/* 上传面板 */
.upload-entry-panel-inline {
  margin-bottom: 16px;
  padding: 18px;
  border-radius: var(--radius-2xl);
  background: rgba(255, 252, 246, 0.94);
  border: 1px solid var(--border-weak);
}

.upload-entry-inline-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.upload-entry-inline-head strong {
  display: block;
  margin-bottom: 6px;
  font-size: var(--text-h4);
  font-weight: 600;
}

.upload-entry-inline-head span {
  color: var(--text-secondary);
  line-height: 1.7;
}

.selection-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text-tertiary);
  font-size: var(--text-body-sm);
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.checkbox-label input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.selection-count {
  font-weight: 700;
  color: var(--text-secondary);
}

.uploads-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 14px;
  padding-top: 6px;
}

.panel-action-button {
  padding: 12px 18px;
  background: var(--gradient-ai);
  color: white;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
}

.panel-action-button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
  transform: none;
  box-shadow: none;
}

/* 表格样式 */
.table-wrap {
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.sidebar-table-wrap {
  flex: 1;
  min-height: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-body);
  min-width: 720px;
}

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border-weak);
  text-align: left;
  white-space: nowrap;
  vertical-align: top;
}

th {
  color: var(--text-tertiary);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 2;
  background: rgba(255, 252, 246, 0.96);
  backdrop-filter: blur(10px);
}

.table-link {
  color: var(--color-brand);
  text-decoration: none;
  font-weight: 700;
}

.table-link:hover {
  text-decoration: underline;
}

.truncate-text {
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.supplier-name-cell {
  max-width: 140px;
}

.catalog-link {
  max-width: 210px;
}

.batch-name-cell {
  max-width: 120px;
}

/* 比价表单 */
.compare-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px 140px;
  gap: 12px;
  margin-bottom: 16px;
}

.compare-panel-bottom {
  margin-top: 18px;
}

.compare-panel-bottom .sub-panel-header {
  margin-bottom: 16px;
}

.product-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 140px;
  gap: 12px;
  margin-bottom: 16px;
}

.compare-cards {
  display: grid;
  gap: 14px;
}

/* 聊天面板 */
.chat-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  position: relative;
  z-index: 1;
}

.chat-messages {
  display: grid;
  gap: 12px;
  min-height: 0;
  min-width: 0;
  flex: 1;
  overflow: auto;
  padding: 4px 6px 6px 0;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.04);
  border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(9, 186, 7, 0.3);
  border-radius: 3px;
  transition: background var(--duration-fast) var(--ease-standard);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(9, 186, 7, 0.5);
}

.chat-selection-status {
  flex: 0 0 auto;
  min-width: 0;
  border-radius: var(--radius-xl);
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--border-weak);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.chat-empty-state {
  margin: auto 0;
  display: grid;
  gap: 22px;
  justify-items: center;
  padding: 16px 0;
}

.chat-empty-copy {
  text-align: center;
  max-width: 520px;
}

.chat-empty-copy h3 {
  margin: 0 0 10px;
  font-size: var(--text-h3);
  letter-spacing: -0.03em;
}

.chat-empty-copy p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.8;
}

.chat-suggestion-grid {
  width: min(720px, 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.chat-suggestion-button {
  text-align: left;
  padding: 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-weak);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: none;
  transition: all var(--duration-fast) var(--ease-standard);
}

.chat-suggestion-button:hover {
  border-color: var(--color-brand);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-sm);
}

/* 聊天气泡 */
.chat-bubble {
  max-width: min(88%, 760px);
  padding: 20px 24px;
  border-radius: 20px 20px 20px 6px;
  border: 1px solid var(--border-weak);
  background: var(--color-ai-bubble);
  transition: all var(--duration-fast) var(--ease-standard);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  animation: bubbleSlideIn var(--duration-normal) var(--ease-enter);
}

@keyframes bubbleSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.chat-bubble.user {
  margin-left: auto;
  border-radius: 20px 20px 6px 20px;
  background: var(--color-user-bubble);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.chat-bubble.assistant {
  margin-right: auto;
}

.chat-bubble:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

.chat-role {
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-brand);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chat-role::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-brand);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.chat-content {
  line-height: 1.75;
  color: var(--text-primary);
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* 聊天输入框 */
.chat-composer {
  flex: 0 0 auto;
  display: grid;
  gap: 12px;
  width: 100%;
  min-width: 0;
  padding: 20px;
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-weak);
  box-shadow: 0 12px 32px rgba(28, 43, 36, 0.08);
  transition: all var(--duration-fast) var(--ease-standard);
  position: relative;
}

.chat-composer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9, 186, 7, 0.02), transparent 70%);
  border-radius: var(--radius-2xl);
  pointer-events: none;
}

.chat-composer:focus-within {
  box-shadow: 0 12px 32px rgba(28, 43, 36, 0.12), 0 0 0 3px var(--color-brand-subtle);
  border-color: var(--color-brand);
  transform: translateY(-2px);
}

.chat-composer textarea {
  width: 100%;
  min-height: 110px;
  resize: none;
  border: none;
  background: transparent;
  padding: 0;
  outline: none;
  box-shadow: none;
  font-size: var(--text-body);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.chat-composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.chat-composer-hint {
  color: var(--text-tertiary);
  font-size: var(--text-body-sm);
  transition: color var(--duration-fast) var(--ease-standard);
}

.chat-composer:focus-within .chat-composer-hint {
  color: var(--text-secondary);
}

/* 比价卡片 */
.compare-card {
  padding: 18px;
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border-weak);
  transition: all var(--duration-fast) var(--ease-standard);
}

.compare-card:hover {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.compare-card-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.compare-card h4 {
  margin: 0 0 8px;
  font-size: var(--text-h4);
}

.price-badge {
  min-width: 112px;
  padding: 14px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-brand-subtle), rgba(201, 138, 10, 0.12));
  text-align: right;
}

.price-badge strong {
  display: block;
  font-size: 26px;
  color: var(--color-brand);
  font-weight: 700;
}

.price-badge span {
  color: var(--text-tertiary);
  font-size: var(--text-body-sm);
}

.compare-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 14px;
  font-size: var(--text-body-sm);
}

.offer-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.detail-list-panel {
  display: grid;
  gap: 0;
}

.uploads-panel {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  max-height: none;
}

.wrap-cell,
.product-table .wrap-cell {
  min-width: 180px;
  white-space: normal;
  word-break: break-word;
}

.offer-row {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(244, 239, 230, 0.74);
  transition: all var(--duration-fast) var(--ease-standard);
}

.offer-row:hover {
  background: rgba(244, 239, 230, 0.9);
}

.offer-row.best {
  background: linear-gradient(135deg, rgba(219, 233, 220, 0.94), rgba(255, 249, 235, 0.94));
  border: 1px solid var(--color-brand-subtle);
  box-shadow: var(--shadow-sm);
}

.slim {
  padding: 18px;
}

.loading {
  color: var(--text-tertiary);
}

/* Markdown 渲染规范 */
.chat-content h1,
.chat-content h2,
.chat-content h3 {
  margin-top: 24px;
  margin-bottom: 8px;
  font-weight: 600;
}

.chat-content h1 {
  font-size: var(--text-h1);
  line-height: 1.3;
}

.chat-content h2 {
  font-size: var(--text-h2);
  line-height: 1.35;
}

.chat-content h3 {
  font-size: var(--text-h3);
  line-height: 1.4;
}

.chat-content ul,
.chat-content ol {
  padding-left: 24px;
  margin: 12px 0;
}

.chat-content li {
  margin: 4px 0;
  line-height: 1.6;
}

.chat-content blockquote {
  border-left: 3px solid var(--color-brand);
  background: rgba(9,186,7,0.05);
  padding: 12px 16px;
  margin: 12px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.chat-content code {
  background: rgba(0,0,0,0.06);
  border-radius: var(--radius-xs);
  padding: 2px 6px;
  font-size: var(--text-body-sm);
  font-family: var(--font-mono);
}

.chat-content pre {
  background: #1E1E1E;
  color: white;
  padding: 16px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 12px 0;
}

.chat-content pre code {
  background: transparent;
  color: white;
  padding: 0;
}

.chat-content a {
  color: var(--color-brand);
  text-decoration: underline;
}

.chat-content a:hover {
  color: var(--color-brand-dark);
}

.chat-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  min-width: 100%;
}

.chat-content th,
.chat-content td {
  padding: 8px 12px;
  border: 1px solid var(--border-weak);
  text-align: left;
}

.chat-content th {
  background: var(--fill-page);
  font-weight: 600;
  position: static;
  backdrop-filter: none;
}

.chat-content hr {
  border: none;
  border-top: 1px solid var(--border-weak);
  margin: 24px 0;
}

@media (max-width: 1180px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .dashboard {
    flex-direction: column;
  }

  .workspace-layout {
    height: auto;
    min-height: 0;
  }

  .detail-panel,
  .workspace-sidebar,
  .uploads-panel,
  .chat-panel {
    min-height: 0;
  }

  .workspace-sidebar {
    height: auto;
    overflow: visible;
    padding-right: 0;
    width: auto;
    max-width: none;
    min-width: 0;
    flex: 1 1 auto;
  }

  .uploads-panel {
    max-height: none;
  }

  .chat-shell {
    min-width: 0;
    flex: 1 1 auto;
  }

  .workspace-resizer {
    display: none;
  }

  .workspace-strip,
  .sidebar-workspace-strip {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-copy p {
    max-width: none;
  }
}

@media (max-width: 960px) {
  .page-shell {
    width: min(100% - 24px, 1320px);
    padding-top: 22px;
  }

  .hero {
    padding: 24px;
    gap: 18px;
  }

  .panel,
  .sub-panel {
    border-radius: var(--radius-2xl);
  }

  .panel {
    padding: 20px;
  }

  .detail-header {
    flex-direction: column;
  }

  .workspace-strip,
  .sidebar-workspace-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compare-form,
  .product-form {
    grid-template-columns: 1fr;
  }

  .settings-flyout-panel {
    width: min(460px, calc(100vw - 32px));
  }
}

@media (max-width: 768px) {
  .page-shell {
    width: min(100% - 16px, 1320px);
    padding-top: 14px;
    padding-bottom: 28px;
  }

  .hero,
  .panel {
    padding: 18px;
    border-radius: var(--radius-2xl);
  }

  .hero {
    gap: 16px;
  }

  .hero-copy h1 {
    font-size: clamp(28px, 10vw, 42px);
    line-height: 1.12;
    letter-spacing: -0.03em;
  }

  .hero-copy p {
    font-size: var(--text-body);
    line-height: 1.7;
  }

  .settings-icon-button {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-xl);
  }

  .settings-flyout {
    justify-self: start;
  }

  .settings-flyout-panel {
    left: 0;
    right: auto;
    width: min(calc(100vw - 16px), 420px);
    padding: 16px;
  }

  .compare-form,
  .product-form,
  .dual-actions,
  .offer-row,
  .workspace-strip,
  .sidebar-workspace-strip {
    grid-template-columns: 1fr;
  }

  .panel,
  .sub-panel {
    border-radius: var(--radius-2xl);
  }

  .sub-panel {
    padding: 16px;
  }

  .sub-panel-header,
  .selection-toolbar,
  .settings-flyout-head div {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .upload-entry-inline-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .selection-toolbar {
    gap: 8px;
  }

  .detail-header p,
  .panel-title p {
    font-size: var(--text-body);
  }

  .compare-card-top {
    flex-direction: column;
  }

  .price-badge {
    text-align: left;
  }

  .compare-card,
  .analysis-card,
  .chat-bubble {
    padding: 16px;
    border-radius: var(--radius-xl);
  }

  .chat-messages {
    min-height: 180px;
    max-height: 360px;
  }

  .chat-suggestion-grid {
    grid-template-columns: 1fr;
  }

  .chat-composer {
    padding: 14px;
    border-radius: var(--radius-2xl);
  }

  .chat-composer-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .chat-bubble {
    max-width: 100%;
  }

  .chat-composer textarea,
  textarea {
    min-height: 92px;
  }

  table {
    min-width: 620px;
    font-size: var(--text-body-sm);
  }

  th,
  td {
    padding: 10px 8px;
  }
}

@media (max-width: 520px) {
  .hero-badge {
    font-size: var(--text-label);
    letter-spacing: 0.04em;
    padding: 6px 10px;
  }

  .panel,
  .sub-panel {
    padding: 14px;
    border-radius: var(--radius-xl);
  }

  .callout,
  .empty-card,
  .loading,
  .compare-summary,
  .compare-card,
  .analysis-card,
  .chat-bubble,
  .workspace-card {
    border-radius: var(--radius-lg);
  }

  .workspace-card strong {
    font-size: 22px;
  }

  .settings-flyout-panel {
    width: calc(100vw - 20px);
  }

  .dual-actions {
    grid-template-columns: 1fr;
  }

  table {
    min-width: 560px;
  }
}

/* Figma workspace refresh */
body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(36, 84, 255, 0.04), rgba(36, 84, 255, 0.04)),
    #ffffff;
  color: #1a2029;
  font-family: "PingFang SC", "Inter", "Microsoft YaHei UI", sans-serif;
}

.app-shell {
  height: 100vh;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.page-shell {
  width: 100%;
  max-width: none;
  padding: 0;
}

.hero {
  display: none;
}

.app-topbar {
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 20px;
  background: #f6f7f9;
  border-bottom: 1px solid rgba(26, 32, 41, 0.05);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #dfdfdf;
  flex: 0 0 auto;
}

.brand-copy {
  min-width: 0;
}

.brand-title-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.brand-title-row h1 {
  margin: 0;
  font-size: 16px;
  line-height: 20px;
  font-weight: 600;
  color: #1a2029;
  white-space: nowrap;
}

.brand-title-row span {
  font-size: 12px;
  line-height: 16px;
  color: #666d79;
  white-space: nowrap;
}

.workspace-stage,
.dashboard.workspace-layout {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
  height: calc(100vh - 58px);
  min-height: 0;
  align-items: stretch;
  background: #f6f7f9;
  overflow: hidden;
}

.workspace-layout {
  --sidebar-width: initial;
}

.workspace-panel,
.panel {
  height: 100%;
  min-height: 0;
  background: #ffffff;
  border: 1px solid #ffffff;
  border-radius: 16px;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.workspace-panel-head {
  height: 53px;
  padding: 10px 20px 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(26, 32, 41, 0.08);
  flex: 0 0 auto;
}

.workspace-panel-head h3,
.panel-header h3 {
  margin: 0;
  font-size: 16px;
  line-height: 20px;
  font-weight: 600;
  color: #1a2029;
}

.workspace-panel-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.compare-panel-actions {
  gap: 0;
}

.toolbar-button,
.toolbar-icon-button {
  height: 32px;
  border: 0;
  background: transparent;
  color: #1a2029;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 8px 4px 4px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  box-shadow: none;
  cursor: pointer;
}

.toolbar-button svg,
.toolbar-icon-button svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.toolbar-button:hover,
.toolbar-icon-button:hover {
  background: rgba(26, 32, 41, 0.05);
  color: #111827;
  transform: none;
  box-shadow: none;
}

.toolbar-icon-button {
  width: 32px;
  padding: 0;
}

.toolbar-divider {
  width: 1px;
  height: 20px;
  background: rgba(26, 32, 41, 0.08);
  flex: 0 0 auto;
}

.workspace-panel-body,
.panel-content,
.chat-workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  padding: 16px 20px;
  overflow: hidden;
}

.uploads-body {
  padding-top: 16px;
}

.minimalist-empty-state,
.empty-state {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: #ffffff;
}

.empty-state-copy {
  max-width: 320px;
  text-align: center;
  color: #666d79;
}

.empty-state-copy strong {
  display: block;
  margin-bottom: 8px;
  color: #1a2029;
  font-size: 16px;
  line-height: 20px;
}

.empty-state-copy p {
  margin: 0;
  font-size: 13px;
  line-height: 20px;
}

.settings-flyout {
  position: relative;
}

.settings-icon-button {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #1a2029;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.settings-icon-button:hover {
  background: rgba(26, 32, 41, 0.04);
  transform: none;
  box-shadow: none;
}

.settings-icon-button svg {
  width: 20px;
  height: 20px;
}

.settings-flyout-panel {
  top: calc(100% + 8px);
  right: 0;
  width: 360px;
  padding: 16px;
  border: 1px solid rgba(26, 32, 41, 0.08);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(26, 32, 41, 0.12);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.settings-flyout-head strong,
.settings-section-head strong {
  color: #1a2029;
}

.settings-flyout-head span,
.settings-section-head span {
  color: #666d79;
}

.icon-action,
.textual-action,
.link-button {
  border: 0;
  background: transparent;
  color: #1a2029;
  font-size: 14px;
  line-height: 20px;
  cursor: pointer;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
}

.icon-action:hover,
.textual-action:hover,
.link-button:hover {
  color: #10151c;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.workspace-selection-toolbar,
.selection-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0;
  margin-bottom: 12px;
  border: 0;
  background: transparent;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  line-height: 20px;
  color: #1a2029;
}

.checkbox-label input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: #1a2029;
}

.selection-count {
  font-size: 12px;
  line-height: 16px;
  color: #666d79;
}

.workspace-table-wrap,
.table-wrap {
  flex: 1;
  min-height: 0;
  border: 0;
  border-radius: 0;
  overflow: auto;
  background: #ffffff;
}

table {
  min-width: 900px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
  line-height: 18px;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #ffffff;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(26, 32, 41, 0.06);
  color: #1a2029;
  vertical-align: top;
}

th {
  font-weight: 500;
  text-align: left;
  color: #666d79;
  white-space: nowrap;
}

tbody tr:hover {
  background: #fafbfd;
}

.uploads-footer {
  padding-top: 12px;
  display: flex;
  justify-content: flex-end;
}

.btn-primary,
.btn-ghost {
  min-height: 36px;
  border-radius: 12px;
  padding: 8px 14px;
  font-size: 14px;
  line-height: 20px;
  font-weight: 500;
  box-shadow: none;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.btn-primary {
  background: #1a2029;
  color: #ffffff;
}

.btn-primary:hover {
  background: #10151c;
  transform: none;
  box-shadow: none;
}

.btn-primary:active {
  transform: none;
}

.btn-primary:disabled {
  background: #e7e9ee;
  color: #8c93a1;
}

.btn-ghost {
  background: #f5f6f8;
  border: 1px solid rgba(26, 32, 41, 0.08);
  color: #1a2029;
}

.btn-ghost:hover {
  background: #eef1f5;
  transform: none;
  box-shadow: none;
}

.upload-entry-panel-inline,
.callout,
.account-card,
.chat-selection-status,
.compare-summary,
.compare-card,
.loading,
.empty-card {
  border: 1px solid rgba(26, 32, 41, 0.08);
  border-radius: 16px;
  background: #fbfcfe;
  box-shadow: none;
}

.upload-entry-panel-inline {
  padding: 16px;
}

.qjl-primary-actions {
  position: relative;
}

.homepage-floating-menu {
  margin-top: 8px;
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid rgba(26, 32, 41, 0.08);
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(20, 28, 39, 0.14);
}

.homepage-menu-item {
  width: 100%;
  min-height: 40px;
  padding: 10px 12px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: #1a2029;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
  text-align: left;
  box-shadow: none;
}

.homepage-menu-item:hover {
  background: #f5f6f8;
  transform: none;
  box-shadow: none;
}

.homepage-menu-item.active-homepage {
  background: #f3f6fb;
}

.homepage-menu-item strong {
  font-size: 13px;
  line-height: 18px;
  font-weight: 600;
}

.homepage-menu-item span {
  font-size: 12px;
  line-height: 16px;
  color: #666d79;
}

.homepage-menu-empty {
  padding: 8px 10px;
  font-size: 12px;
  line-height: 16px;
  color: #666d79;
}

.modal-shell {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-shell.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 28, 39, 0.4);
  backdrop-filter: blur(6px);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(680px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: #ffffff;
  border: 1px solid rgba(26, 32, 41, 0.08);
  border-radius: 24px;
  box-shadow: 0 24px 64px rgba(20, 28, 39, 0.2);
  padding: 20px;
}

.upload-modal-card {
  display: grid;
  gap: 16px;
}

.modal-head {
  align-items: flex-start;
  margin-bottom: 0;
}

.modal-close-button {
  flex: 0 0 auto;
}

.modal-icon-button {
  flex: 0 0 auto;
}

body.modal-open {
  overflow: hidden;
}

.callout,
.loading,
.empty-card,
.compare-summary {
  padding: 12px 14px;
}

.stack-form,
.compare-form {
  display: grid;
  gap: 12px;
}

.stack-form label,
.compare-form label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  line-height: 16px;
  color: #666d79;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(26, 32, 41, 0.1);
  border-radius: 12px;
  background: #ffffff;
  color: #1a2029;
  padding: 10px 12px;
  font: inherit;
  box-shadow: none;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(26, 32, 41, 0.24);
  box-shadow: 0 0 0 3px rgba(26, 32, 41, 0.06);
}

.compare-body {
  gap: 16px;
}

.compare-modal-shell {
  padding: 20px;
}

.compare-modal-card {
  padding: 0;
  width: min(1280px, calc(100vw - 40px));
  max-width: calc(100vw - 40px);
  height: calc(100vh - 40px);
  max-height: calc(100vh - 40px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.compare-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(26, 32, 41, 0.08);
  flex: 0 0 auto;
}

.compare-modal-head strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  line-height: 20px;
  font-weight: 600;
  color: #1a2029;
}

.compare-modal-head span {
  display: block;
  color: #666d79;
  font-size: 13px;
  line-height: 20px;
}

.compare-fullscreen-target {
  flex: 1;
  min-height: 0;
  display: flex;
  overflow: hidden;
}

.compare-fullscreen-target > .compare-body {
  height: 100%;
}

.compare-form {
  grid-template-columns: 1fr;
}

.compare-result {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

.compare-cards {
  display: grid;
  gap: 12px;
}

.compare-card {
  padding: 14px;
  background: #ffffff;
}

.external-compare-card .external-link {
  display: inline-flex;
  margin-top: 12px;
}

.external-compare-main {
  min-width: 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.external-compare-copy {
  min-width: 0;
}

.external-compare-thumb {
  width: 72px;
  height: 72px;
  flex: 0 0 72px;
  overflow: hidden;
  border: 1px solid rgba(26, 32, 41, 0.08);
  border-radius: 14px;
  background: #f5f6f8;
}

.external-compare-thumb img,
.external-compare-thumb-fallback {
  width: 100%;
  height: 100%;
}

.external-compare-thumb img {
  display: block;
  object-fit: cover;
}

.external-compare-thumb-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8c93a1;
  font-size: 11px;
  line-height: 16px;
  text-align: center;
  padding: 8px;
}

.compare-card h4 {
  margin: 0 0 4px;
  font-size: 14px;
  line-height: 20px;
  color: #1a2029;
}

.compare-card p,
.compare-meta,
.offer-row {
  color: #666d79;
  font-size: 12px;
  line-height: 18px;
}

.price-badge {
  border-radius: 12px;
  padding: 8px 10px;
  background: #f5f6f8;
}

.price-badge strong {
  display: block;
  color: #1a2029;
}

.detail-panel .chat-workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 0;
}

.chat-topbar {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(26, 32, 41, 0.06);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: #f5f6f8;
  color: #666d79;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0;
  text-transform: none;
  box-shadow: none;
}

.chat-topbar h2 {
  margin: 10px 0 6px;
  font-size: 20px;
  line-height: 28px;
  color: #1a2029;
}

.chat-topbar p {
  margin: 0;
  font-size: 13px;
  line-height: 20px;
  color: #666d79;
  max-width: 680px;
}

.workspace-chat-panel,
.chat-panel {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 20px;
  background: #ffffff;
  overflow: hidden;
}

.chat-selection-status {
  display: block;
  margin: 0;
  font-size: 12px;
  line-height: 18px;
  color: #465062;
  background: #f8f9fb;
}

.chat-messages {
  flex: 1;
  min-height: 0;
  max-height: none;
  padding-right: 4px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
}

.chat-bubble {
  max-width: min(560px, 88%);
  padding: 14px 16px;
  border-radius: 18px;
  background: #f7f8fa;
  border: 1px solid rgba(26, 32, 41, 0.06);
  box-shadow: none;
}

.chat-bubble.user {
  align-self: flex-end;
  background: #1a2029;
  border-color: #1a2029;
}

.chat-bubble.user .chat-role,
.chat-bubble.user .chat-content {
  color: #ffffff;
}

.chat-role {
  margin-bottom: 6px;
  font-size: 11px;
  line-height: 16px;
  color: #666d79;
}

.chat-content {
  font-size: 13px;
  line-height: 20px;
  color: #1a2029;
}

.chat-composer {
  margin-top: auto;
  padding: 14px;
  border-top: 1px solid rgba(26, 32, 41, 0.08);
  border-radius: 0;
  background: #ffffff;
}

.chat-composer textarea {
  min-height: 96px;
  resize: vertical;
}

.chat-composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
}

.chat-composer-hint {
  font-size: 12px;
  line-height: 16px;
  color: #8c93a1;
}

.detail-panel,
.compare-panel,
.uploads-panel {
  min-width: 0;
  min-height: 0;
}

.panel-header,
.header-actions,
.panel-collapse-button,
.chat-shell::before,
.chat-welcome {
  display: none !important;
}

@media (max-width: 1360px) {
  .workspace-stage,
  .dashboard.workspace-layout {
    grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr);
  }

  .compare-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 960px) {
  .app-topbar {
    padding: 12px 16px;
  }

  .brand-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .brand-title-row span {
    white-space: normal;
  }

  .workspace-stage,
  .dashboard.workspace-layout {
    grid-template-columns: 1fr;
    padding: 10px;
    height: calc(100vh - 58px);
    overflow: auto;
  }

  .workspace-panel,
  .panel {
    height: min(520px, calc(100vh - 100px));
    min-height: 320px;
  }

  .workspace-panel-head {
    padding-inline: 16px;
  }

  .workspace-panel-body,
  .panel-content,
  .chat-workspace {
    padding-inline: 16px;
  }

  .workspace-chat-panel,
  .chat-panel {
    padding-inline: 16px;
  }

  .chat-topbar {
    padding-inline: 16px;
  }

  .settings-flyout-panel {
    width: min(360px, calc(100vw - 24px));
  }
}

@media (max-width: 640px) {
  .app-topbar {
    align-items: flex-start;
    height: auto;
    gap: 12px;
  }

  .brand-block {
    flex: 1;
  }

  .workspace-panel-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    height: auto;
  }

  .workspace-panel-actions,
  .chat-composer-footer,
  .uploads-footer {
    width: 100%;
    justify-content: space-between;
  }

  .chat-bubble {
    max-width: 100%;
  }

  table {
    min-width: 720px;
  }

  .modal-shell {
    padding: 12px;
  }

  .modal-card {
    width: min(100vw - 24px, 680px);
    max-height: calc(100vh - 24px);
    border-radius: 20px;
    padding: 16px;
  }
}