/* ========================
   变量与全局重置
   ======================== */
:root {
  /* 黑白灰主题变量 */
  --text: #111111;
  --muted: #6b6b6b;
  --heading: #0b0b0b;
  --bg-100: #ffffff;
  --bg-90: #f7f7f7;
  --card-bg: #ffffff;
  --input-bg: #f2f2f2;
  --divider: rgba(11,11,11,0.06);
  --card-border: 1px solid var(--divider);
  --card-radius: 8px;

  /* 尺寸 */
  --max-width: 1200px;
  --container-padding: 20px;
  --radius-lg: 20px;
  --radius-md: 10px;

  /* 阴影效果 */
  --shadow-soft: 0 1px 4px rgba(11,11,11,0.04);
  --shadow-lg: 0 6px 14px rgba(11,11,11,0.04);
  --shadow-xl: 0 10px 30px rgba(11,11,11,0.05);
  --shadow-hover: 0 8px 20px rgba(11,11,11,0.06);

  /* 按钮颜色 */
  --btn-bg: #111111;
  --btn-bg-weak: #333333;
  --btn-text: #ffffff;
  --btn-border-default: #e0e0e0;
  --btn-border-hover: #cccccc;
  --btn-bg-default: #fff;
  --btn-bg-hover: #f5f5f6;
  /* 按钮细节 */
  --btn-border-color: rgba(11,11,11,0.08);
  --btn-radius: 8px;
  --btn-padding: 10px 18px;
  --btn-muted-bg: #f5f5f6;
  --btn-muted-text: #111111;
  --btn-muted-bg-hover: #e9e9ea;
  --btn-pill-radius: 20px;
}

/* 基本排版 */
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-90);
  min-height: 100vh;
  padding: var(--container-padding);
}

/* 通用容器 */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* 标题 */
h1,
h2,
h3 {
  margin-bottom: 1rem;
  color: var(--heading);
  font-weight: 600;
}
h1 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
}
h2 {
  font-size: 1.8rem;
  border-bottom: 2px solid var(--primary-1);
  padding-bottom: 10px;
  margin-top: 2rem;
}
h3 {
  font-size: 1.4rem;
}

/* ========================
   首页 / 卡片 / Logo 动画
   ======================== */
.index-page {
  display: flex;
  align-items: center;
  justify-content: center;
}
.index-page .container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
}

.glass-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-soft);
  padding: 28px;
  text-align: center;
  max-width: 600px;
  width: 100%;
  animation: fadeIn 0.6s ease-out;
}

.logo-container {
  margin-bottom: 30px;
}
.animated-logo {
  max-width: 140px;
  height: auto;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
  100% {
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 描述文字 */
.description {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

/* ========================
   按钮样式
   ======================== */
.btn {
  display: inline-block;
  padding: var(--btn-padding);
  border-radius: var(--btn-radius);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--btn-border-default);
  background: var(--btn-bg-default);
  color: var(--text);
  cursor: pointer;
  font-size: 0.95rem;
  box-shadow: none;
  text-align: center;
}

.btn-outline {
  background: var(--btn-bg-default);
  color: var(--text);
  border: 1px solid var(--btn-border-default);
}

/* 主要按钮 */
.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-text);
  border: 1px solid var(--btn-bg);
}

/* 次要按钮 */
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px dashed rgba(11,11,11,0.04);
}

/* ========================
   登录 / 表单
   ======================== */
.login-box {
  background: var(--card-bg);
  max-width: 520px;
  margin: 2rem auto;
  padding: 1.6rem;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-soft);
  animation: slideUp 0.45s ease-out;
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gradient-title {
  color: var(--heading);
  text-align: center;
  margin-bottom: 1.2rem;
  font-size: 1.9rem;
  font-weight: 700;
}

/* 表单控件 */
.form-group {
  margin-bottom: 1.5rem;
}

form input,
form select,
form button {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--input-bg);
  border: 1px solid transparent;
  font-size: 1rem;
  transition: box-shadow 0.18s ease, transform 0.12s ease;
  box-sizing: border-box;
}

form input:focus,
form select:focus {
  outline: none;
  box-shadow: 0 6px 20px rgba(17,17,17,0.06);
  transform: translateY(-1px);
}

form button {
  background: var(--btn-bg-weak);
  color: var(--btn-text);
  font-weight: 700;
  letter-spacing: 0.6px;
  cursor: pointer;
  border: none;
}


/* 错误提示 */
.error {
  background-color: rgba(244,244,244,0.9);
  color: #b00000;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 20px;
}

/* 车牌号输入框样式 */
.plate-input.valid {
  box-shadow: 0 6px 18px rgba(0,0,0,0.06) !important;
}

.plate-input.invalid {
  box-shadow: 0 6px 18px rgba(176,0,0,0.06) !important;
}

/* 链接 */
a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.18s ease, text-decoration 0.18s ease;
}


/* ========================
   仪表盘 / 卡片 / 布局
   ======================== */
.dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}
.dashboard-header {
  text-align: center;
  margin-bottom: 30px;
}

.dashboard-title {
  color: var(--heading);
  font-size: 2.0rem;
  margin-bottom: 10px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.top-cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-bottom: 30px;
}

.chart-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  padding: 18px;
  box-shadow: var(--shadow-soft);
  border: var(--card-border);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}


.vehicle-status p {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
  font-size: 1.1rem;
}
.vehicle-status p:last-child {
  border-bottom: none;
}

.charts-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 25px;
}

/* 保险公司卡片样式 */
.insurer-vehicle-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-soft);
  border: var(--card-border);
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

.insurer-vehicle-card h3 {
  color: var(--heading);
  margin-bottom: 15px;
}

/* 动画砍价按钮 */
.bargain-button {
  --background: #232323;
  --color: #ffffff;
  --z-before: -6;
  display: inline-block;
  outline: none;
  cursor: pointer;
  position: relative;
  border: 0;
  background: none;
  padding: 8px 18px;
  line-height: 24px;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  color: var(--color);
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.18s ease;
  will-change: transform;
  transform-style: preserve-3d;
  margin: 10px 0;
}
.bargain-button:hover {
  --transform-duration: 0.16s;
}
.bargain-button.success {
  --confetti-scale: 0;
  --stroke-dashoffset: 15;
}
.bargain-button:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  border-radius: var(--card-radius);
  transform: translateZ(calc(var(--z-before) * 1px));
  background: var(--background);
  box-shadow: 0 4px 8px var(--shadow);
}
.bargain-button .icon,
.bargain-button span {
  display: inline-block;
  vertical-align: top;
  position: relative;
  z-index: 1;
}
.bargain-button .icon {
  --z: 2px;
  width: 24px;
  height: 14px;
  margin: 8px 16px 0 0;
  transform: translate(
      calc(var(--icon-x, 0) * 1px),
      calc(var(--icon-y, 0) * 1px)
    )
    translateZ(2px);
}
.bargain-button .icon .confetti {
  position: absolute;
  left: 17px;
  bottom: 9px;
}
.bargain-button .icon .confetti svg {
  width: 18px;
  height: 16px;
  display: block;
  stroke-width: 1px;
  fill: none;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.bargain-button .icon .confetti svg * {
  transition: stroke-dashoffset 0.2s;
  stroke-dasharray: 15 20;
  stroke-dashoffset: var(--stroke-dashoffset, 0);
  stroke: var(--stroke-all, var(--stroke, var(--confetti-2)));
}
.bargain-button .icon .confetti svg *:nth-child(2) {
  --stroke: var(--confetti-3);
}
.bargain-button .icon .confetti svg *:nth-child(3) {
  --stroke: var(--confetti-1);
}
.bargain-button .icon .confetti .emitter {
  position: absolute;
  left: 4px;
  bottom: 4px;
  pointer-events: none;
}
.bargain-button .icon .confetti .emitter div {
  width: 4px;
  height: 4px;
  margin: -2px 0 0 -2px;
  border-radius: 1px;
  position: absolute;
  left: 0;
  top: 0;
  transform-style: preserve-3d;
  background: var(--confetti-all, var(--b, none));
}
.bargain-button .icon .confetti i {
  width: 4px;
  height: 4px;
  display: block;
  transform: scale(var(--confetti-scale, 0.5));
  position: absolute;
  transition: transform 0.25s;
  left: var(--left, -1px);
  top: var(--top, 3px);
  border-radius: var(--border-radius, 1px);
  background: var(--confetti-background, var(--confetti-3));
}
.bargain-button .icon .confetti i:nth-child(2) {
  --left: 9px;
  --top: -1px;
  --border-radius: 2px;
  --confetti-background: var(--confetti-4);
}
.bargain-button .icon .confetti i:nth-child(3) {
  --left: 5px;
  --top: 3px;
  --confetti-background: var(--confetti-1);
}
.bargain-button .icon .confetti i:nth-child(4) {
  --left: 10px;
  --top: 14px;
  --confetti-background: var(--confetti-2);
}
.bargain-button .icon .confetti i:nth-child(5) {
  --left: 9px;
  --top: 7px;
  --confetti-background: var(--confetti-4);
}
.bargain-button .icon .confetti i:nth-child(6) {
  --left: 6px;
  --top: 8px;
  --border-radius: 2px;
  --confetti-background: var(--confetti-2);
}
.bargain-button .icon .cannon {
  position: relative;
  width: 24px;
  height: 14px;
  transform: translate(0, 3px) rotate(-45deg);
  filter: drop-shadow(-2px 2px 2px var(--cannon-shadow));
}
.bargain-button .icon .cannon:before,
.bargain-button .icon .cannon:after {
  content: "";
  display: block;
  height: 14px;
}
.bargain-button .icon .cannon:before {
  background: linear-gradient(
    var(--cannon-dark),
    var(--cannon-light) 50%,
    var(--cannon-dark)
  );
  width: 100%;
  -webkit-clip-path: polygon(25px -1px, 0 52%, 25px 15px);
  clip-path: polygon(25px -1px, 0 52%, 25px 15px);
}
.bargain-button .icon .cannon:after {
  width: 6px;
  position: absolute;
  right: -3px;
  top: 0;
  border-radius: 50%;
  box-shadow: inset 0 0 0 0.5px var(--cannon-light);
  background: linear-gradient(
    90deg,
    var(--cannon-dark),
    var(--cannon-light)
  );
}

/* 行内表单 */
.form-inline input {
  display: inline-block;
  width: auto;
  margin: 0 8px;
}
.form-inline button {
  display: inline-block;
  width: auto;
  padding: 8px 16px;
}

/* ========================
   工具类 & 响应式
   ======================== */
.text-center {
  text-align: center;
}
.mt-20 {
  margin-top: 20px;
}
.mb-20 {
  margin-bottom: 20px;
}
.hidden {
  display: none;
}

.success {
  color: #4CAF50;
  padding: 10px;
  background-color: rgba(76, 175, 80, 0.1);
  border-radius: 4px;
  margin: 10px 0;
}

.error {
  color: #f44336;
  padding: 10px;
  background-color: rgba(244, 67, 54, 0.1);
  border-radius: 4px;
  margin: 10px 0;
}

.warning {
  color: #ff9800;
  padding: 10px;
  background-color: rgba(255, 152, 0, 0.1);
  border-radius: 4px;
  margin: 10px 0;
}

/* AI摘要卡片 */
.ai-summary-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-soft);
  border: var(--card-border);
  transition: all 0.16s ease;
}

.ai-summary-card h2 {
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 1.6rem;
  color: var(--heading);
  border-bottom: none;
  padding-bottom: 0;
  display: inline-block;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

#ai-summary-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text);
}

#ai-summary-content p {
  margin-bottom: 10px;
}

#ai-summary-content p:last-child {
  margin-bottom: 0;
}

/* 统一AI摘要内容的缩进和排版 */
#ai-summary-content ul,
#ai-summary-content ol {
  padding-left: 20px;
  margin-bottom: 15px;
}

#ai-summary-content li {
  margin-bottom: 5px;
  text-align: justify;
  text-indent: 0;
}

#ai-summary-content h3 {
  margin-top: 20px;
  margin-bottom: 10px;
  padding-left: 0;
}

#ai-summary-content strong {
  display: inline-block;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* 确保所有内容有统一的左侧对齐和缩进 */
#ai-summary-content * {
  text-align: left;
  text-indent: 0;
}

/* 响应式 */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }
  .container {
    padding: 10px;
  }
  .glass-card,
  .login-box {
    padding: 20px;
  }
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.5rem;
  }
  .charts-container {
    grid-template-columns: 1fr;
  }
  .top-cards-container {
    grid-template-columns: 1fr;
  }
  .btn {
    display: block;
    margin: 10px auto;
    width: 92%;
    max-width: 420px;
  }
  .chart-card {
    padding: 15px;
  }
}