/* ==================== 探金工坊 全局样式 ==================== */
:root {
  --brand: #d97706;
  --brand-strong: #b45309;
  --brand-soft: #fef3c7;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --font: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 亮色主题（默认） */
[data-theme="light"] {
  --bg: #f8f7f4;
  --bg-card: #ffffff;
  --bg-soft: #f3f1ec;
  --text: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #a8a29e;
  --border: #e7e5e4;
  --primary: #d97706;
  --primary-hover: #b45309;
  --primary-text: #ffffff;
  --accent: #2563eb;
  --success: #1a7f45;   /* 白底 3.30:1 → 4.99:1（AA） */
  --danger: #dc2626;
  --code-bg: #f5f5f4;
}

/* 暗色主题 */
[data-theme="dark"] {
  --bg: #131316;
  --bg-card: #1c1c22;
  --bg-soft: #24242c;
  --text: #f5f5f4;
  --text-secondary: #a8a29e;
  --text-muted: #6b6b72;
  --border: #2e2e36;
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --primary-text: #18181b;
  --accent: #60a5fa;
  --success: #4ade80;
  --danger: #f87171;
  --code-bg: #18181d;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  line-height: 1.6;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

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

/* ---------- 布局 ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.page {
  padding: 28px 0 80px;
  min-height: calc(100vh - 64px);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-sub {
  color: var(--text-secondary);
  font-size: 14px;
}

/* ---------- 顶部导航 ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg-card) 88%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-brand .logo {
  font-size: 22px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  flex: 1;
  justify-content: center;
}

.nav-link {
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text);
  background: var(--bg-soft);
}

.nav-link.active {
  color: var(--primary);
  background: var(--brand-soft);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  background: var(--bg-soft);
  color: var(--text);
  white-space: nowrap;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: var(--primary-text);
  box-shadow: 0 4px 16px rgba(217, 119, 6, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 22px rgba(217, 119, 6, 0.42);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
}

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

.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--brand-soft);
}

.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.card.hoverable:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
}

.card + .card {
  margin-top: 16px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--bg-soft);
  color: var(--text-secondary);
}

.badge-primary {
  background: var(--brand-soft);
  color: var(--brand-strong);
}

.badge-success {
  background: color-mix(in srgb, var(--success) 14%, transparent);
  color: var(--success);
}

.badge-danger {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
}

/* ---------- 表单 ---------- */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* ---------- 列表/标签 ---------- */
.list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tag-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text-secondary);
}

.muted {
  color: var(--text-muted);
}

.small {
  font-size: 13px;
}

.mt8 { margin-top: 8px; }
.mt16 { margin-top: 16px; }
.mt24 { margin-top: 24px; }
.mb8 { margin-bottom: 8px; }
.mb16 { margin-bottom: 16px; }

.flex {
  display: flex;
  align-items: center;
  gap: 10px;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.flex-wrap {
  flex-wrap: wrap;
}

/* ---------- 头像 ---------- */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-soft), var(--brand));
  color: var(--primary-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  overflow: hidden;
  flex-shrink: 0;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-lg {
  width: 64px;
  height: 64px;
  font-size: 26px;
}

/* ---------- 主题切换按钮 ---------- */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
}

.theme-toggle:hover {
  transform: rotate(20deg);
}

/* ---------- 空状态 / 加载 ---------- */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty .emoji {
  font-size: 44px;
  margin-bottom: 12px;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- 通知条 ---------- */
.toast-wrap {
  position: fixed;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  align-items: center;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  animation: slideIn 0.3s ease;
  max-width: 320px;
}

.toast-error {
  border-color: var(--danger);
  color: var(--danger);
}

.toast-success {
  border-color: var(--success);
  color: var(--success);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---------- 详情页 ---------- */
.detail-hero {
  background: linear-gradient(135deg, var(--brand-soft), color-mix(in srgb, var(--brand) 20%, var(--bg-card)));
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.detail-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-secondary);
  font-size: 13px;
  flex-wrap: wrap;
}

.content-body {
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
  border: none;
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 768px) {
  .nav-links {
    justify-content: flex-start;
  }
  .page-title {
    font-size: 22px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .navbar-inner {
    gap: 8px;
  }
  .nav-brand span.brand-text {
    display: none;
  }
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}