:root {
  /* ===== 黑金主题（与登录/注册页 auth.css 统一）===== */
  --color-primary: #d4af37;                          /* 主金色 */
  --color-primary-light: rgba(212, 175, 55, 0.12);   /* 金色浅底（半透明）*/
  --color-primary-dark: #b8952b;                     /* 深金 */
  --color-accent: #efd67c;                           /* 亮金（文字/图标）*/
  --color-primary-glow: rgba(212, 175, 55, 0.24);
  --color-ink: #14100a;                              /* 金底上的深色文字 */

  --color-bg: #08080a;           /* 页面底色 */
  --color-bg-gray: #141418;      /* 次级底色 */
  --color-surface: #0f0f12;      /* 卡片 / 栏表面 */
  --color-surface-2: #191920;    /* 悬浮 / 输入表面 */

  --color-text: #ece9e2;
  --color-text-secondary: #a8a294;
  --color-text-light: #8a8578;
  --color-white: #ffffff;        /* 纯白（仅用于深色遮罩上的文字）*/

  --color-border: rgba(212, 175, 55, 0.13);
  --color-border-soft: rgba(255, 255, 255, 0.08);

  --color-success: #86c07d;
  --color-error: #e0736a;
  --color-warning: #d9b64a;

  --font-family: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --sidebar-width: 220px;
  --header-height: 56px;
  --tabbar-height: 56px;
  --mobile-breakpoint: 768px;

  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 14px 36px rgba(0, 0, 0, 0.62);
}

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

html {
  color-scheme: dark;
}

html, body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* 关闭横向 overscroll：阻止浏览器把横滑手势解释为前进/后退导航
     （SPA 监听 popstate，横滑会被感知成"滑动切换 tab"），同时去掉横向回弹 */
  overscroll-behavior-x: none;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

button {
  border: none;
  outline: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

input, textarea, select {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-light);
}

input:focus, textarea:focus, select:focus {
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.08);
}

/* ===== 按钮：与登录页统一（黑底 + 金色渐变描边 + 香槟金字）===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.6px;
  cursor: pointer;
  transition: color 0.22s, box-shadow 0.22s, transform 0.15s, background 0.22s, border-color 0.22s;
}

/* 主按钮 */
.btn-primary {
  border: 1px solid transparent;
  background:
    linear-gradient(180deg, #211c12 0%, #14110c 52%, #0c0b08 100%) padding-box,
    linear-gradient(180deg, #f2e0a2 0%, #cda94d 32%, #8e7026 66%, #5e4914 100%) border-box;
  color: #eeda92;
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.25);
  box-shadow:
    0 8px 20px rgba(0, 0, 0, 0.55),
    inset 0 0 16px rgba(212, 175, 55, 0.05);
}

.btn-primary:hover {
  background:
    linear-gradient(180deg, #2a2416 0%, #191510 52%, #0f0d09 100%) padding-box,
    linear-gradient(180deg, #faeec2 0%, #e0be63 32%, #a5832f 66%, #71571a 100%) border-box;
  color: #f8e9b4;
  text-shadow: 0 0 16px rgba(226, 193, 92, 0.4);
  transform: translateY(-1px);
  box-shadow:
    0 12px 26px rgba(0, 0, 0, 0.6),
    inset 0 0 20px rgba(212, 175, 55, 0.09);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* 次级按钮：金色细描边、无填充 */
.btn-secondary,
.btn-outline {
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--color-accent);
}

.btn-secondary:hover,
.btn-outline:hover {
  background: rgba(212, 175, 55, 0.12);
  border-color: rgba(212, 175, 55, 0.55);
  color: var(--color-gold-pale, #f7ecc6);
}

/* 危险按钮 */
.btn-danger {
  background: rgba(224, 115, 106, 0.08);
  border: 1px solid rgba(224, 115, 106, 0.32);
  color: #e0736a;
}

.btn-danger:hover {
  background: rgba(224, 115, 106, 0.16);
  border-color: rgba(224, 115, 106, 0.55);
  color: #f08c83;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.page-container {
  padding: 20px;
}

.section-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.4px;
}

.section-title i {
  color: var(--color-accent);
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 18px;
  border: 1px solid var(--color-border-soft);
  margin-bottom: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

/* ===== 表单字段：与登录页统一（圆角浅底 + 金色聚焦）===== */
.form-field {
  padding: 11px 15px 12px;
  background: rgba(255, 255, 255, 0.026);
  border: 1px solid var(--color-border-soft);
  border-radius: 14px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.form-field:focus-within {
  background: rgba(212, 175, 55, 0.04);
  border-color: rgba(212, 175, 55, 0.42);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.07);
}

.form-field label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.4px;
  color: var(--color-text-light);
  margin-bottom: 3px;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: 15px;
  letter-spacing: 0.4px;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  box-shadow: none;
}

.form-field input:disabled {
  color: var(--color-text-light);
  cursor: not-allowed;
}

.form-field input::placeholder {
  color: #5d594f;
  letter-spacing: 0.2px;
}

/* 表单字段内的独立输入（无外层包裹时使用） */
.field-input {
  width: 100%;
  padding: 11px 15px;
  background: rgba(255, 255, 255, 0.026);
  border: 1px solid var(--color-border-soft);
  border-radius: 14px;
  color: var(--color-text);
  font-size: 14px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.field-input:focus {
  background: rgba(212, 175, 55, 0.04);
  border-color: rgba(212, 175, 55, 0.42);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.07);
}

.hidden {
  display: none !important;
}