/* ========================================
   全局样式 - style.css
   主题：金色系 / 青铜色
   ======================================== */

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

:root {
  --primary: #5a4a2a;
  --accent: #b8860b;
  --accent-light: #daa520;
  --accent-dark: #8b6914;
  --bg: #faf6ee;
  --card-bg: #ffffff;
  --text: #3d2e1a;
  --text-light: #8a7a5a;
  --border: #e8dcc8;
  --shadow: 0 2px 12px rgba(139,105,20,0.10);
  --radius: 12px;
  --nav-height: 56px;
  --ad-height: 120px;
  --gradient-start: #b8860b;
  --gradient-end: #7a5a1a;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

img {
  max-width: 100%;
  display: block;
}

/* ─── 通用容器 ─── */
.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
}

/* ─── 顶部导航栏 ─── */
.top-nav {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 20px;
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
  box-shadow: 0 2px 8px rgba(139,105,20,0.2);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-nav .back-btn {
  font-size: 20px;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 8px;
  transition: background 0.2s;
  border: none;
  background: none;
  color: #fff;
}

.top-nav .back-btn:hover {
  background: rgba(255,255,255,0.15);
}

.top-nav .nav-title {
  font-size: 16px;
  font-weight: 600;
  margin-left: 12px;
  color: #fff;
}

/* ─── 按钮 ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--gradient-start);
  color: #fff;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-outline.active {
  border-color: var(--accent);
  background: #faf3e0;
  color: var(--accent);
}

/* ─── 分割线 ─── */
.divider {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* ─── 广告位 ─── */
.ad-placeholder {
  width: 100%;
  height: var(--ad-height);
  background: linear-gradient(135deg, #d4c5a0, #b8a882);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #7a6a4a;
  font-size: 14px;
  letter-spacing: 2px;
}

/* ─── 登录状态栏（固定在右上角） ─── */
#authStatusBar {
  position: fixed !important;
  top: 12px !important;
  right: 30px !important;
  z-index: 9999 !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 13px !important;
}

/* ─── 响应式 ─── */
@media (max-width: 768px) {
  .page {
    padding: 12px;
  }
  #authStatusBar {
    right: 14px !important;
    top: 10px !important;
  }
}