/* =========================================================
   org-system 主样式（配色与登录页统一 + 主站风格专业组件）
   ========================================================= */
:root {
  --primary: #2E7D32;
  --primary-dark: #1B5E20;
  --secondary: #2563eb;
  --accent: #3B82F6;
  --accent-dark: #1E40AF;
  --gold: #D4A843;
  --gold-light: #E8C96A;
  --success: #27ae60;
  --success-dark: #1e8449;
  --warning: #e67e22;
  --danger: #e74c3c;
  --danger-dark: #c0392b;
  --text: #333;
  --text-light: #666;
  --text-lighter: #999;
  --bg: #f2f6f2;
  --card-bg: #ffffff;
  --hover-bg: #f8f9fa;
  --border: #dde6de;
  --fade-light: #eef4ee;
  --radius: 10px;
  --card-radius: 16px;
  --shadow: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.12);
  --card-shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --header-start: #2d6cb5;
  --header-bg: linear-gradient(180deg,#4a98e8,#3579c9 60%,#2d6cb5);
  --primary-rgb: 46,125,50;
  --accent-rgb: 59,130,246;
  --success-rgb: 39,174,96;
  --danger-rgb: 231,76,60;
  --warning-rgb: 230,126,34;
  --gold-rgb: 212,168,67;
  --text-rgb: 51,51,51;
  --bg-rgb: 242,246,242;
  --bg-top: #f6faf7;
  --bg-bottom: #e4efe6;
  --btn-min-height: 44px;
  --input-font-size: 15px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); }

/* 键盘可见焦点（无障碍 P1） */
:focus-visible {
  outline: 3px solid rgba(var(--accent-rgb), .45);
  outline-offset: 2px;
  border-radius: 4px;
}
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(var(--accent-rgb), .18);
  outline-offset: 0;
}

/* 表单校验错误提示（无障碍 P1） */
.field-error { color: var(--danger); font-size: 12px; margin: 6px 0 0; font-weight: 500; }
input.invalid, textarea.invalid, select.invalid { border-color: var(--danger); }
input.invalid:focus { box-shadow: 0 0 0 3px rgba(var(--danger-rgb), .15); }

/* 容器 */
.page { flex: 1 0 auto; width: 100%; max-width: 960px; margin: 0 auto; padding: 18px 16px 48px; }
.page.wide { max-width: 1200px; }
.app-footer { flex-shrink: 0; }

/* 卡片 */
.card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  padding: 20px;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(0,0,0,.03);
  margin-bottom: 16px;
}
.card h2, .card h3 { margin-top: 0; }

.section-title {
  font-size: 16px; font-weight: 800; margin: 24px 0 14px;
  display: flex; align-items: center; gap: 8px; color: var(--text);
}
.section-title::before {
  content: ''; width: 4px; height: 17px; border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

/* 网格 */
.grid { display: grid; gap: 16px; }
.grid.cards { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.grid.stats { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }

/* 统计卡 */
.stat-card {
  background: var(--card-bg); border-radius: var(--card-radius); padding: 20px 16px;
  box-shadow: var(--card-shadow); border: 1px solid rgba(0,0,0,.03); text-align: center;
  position: relative; overflow: hidden;
}
.stat-card::after {
  content: ''; position: absolute; right: -22px; top: -22px; width: 80px; height: 80px;
  border-radius: 50%; background: rgba(var(--primary-rgb), .05);
}
.stat-card .num {
  font-size: 30px; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-card .label { font-size: 13px; color: var(--text-light); margin-top: 4px; font-weight: 500; }

/* 模块卡片（首页测验/工具入口） */
.module-card {
  position: relative; background: var(--card-bg); border-radius: var(--card-radius);
  overflow: hidden; cursor: pointer; box-shadow: var(--card-shadow);
  border: 1px solid rgba(0,0,0,.03); transition: all .3s; display: flex; flex-direction: column;
}
.module-card:hover { transform: translateY(-5px); box-shadow: 0 12px 28px rgba(0,0,0,.1); }
.module-card .mc-top { height: 6px; background: linear-gradient(135deg, var(--secondary), var(--primary)); }
.module-card .mc-body { padding: 18px 18px 16px; flex: 1; }
.module-card .mc-icon {
  width: 50px; height: 50px; border-radius: 13px; display: flex; align-items: center;
  justify-content: center; font-size: 27px; margin-bottom: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
.module-card h3 { margin: 0 0 4px; font-size: 16px; color: var(--text); }
.module-card p { margin: 0; color: var(--text-light); font-size: 13px; line-height: 1.6; }
.module-card .mc-footer { margin-top: 12px; display: flex; align-items: center; justify-content: space-between; }
.module-card .mc-tag {
  font-size: 11px; color: var(--secondary); background: rgba(var(--accent-rgb), .1);
  padding: 2px 10px; border-radius: 12px; font-weight: 600;
}
.module-card .mc-arrow { font-size: 16px; color: var(--text-lighter); transition: all .2s; }
.module-card:hover .mc-arrow { color: var(--primary); transform: translateX(4px); }

/* 图标底色 */
.ic-green { background: linear-gradient(135deg, rgba(39,174,96,.18), rgba(39,174,96,.08)); }
.ic-blue { background: linear-gradient(135deg, rgba(59,130,246,.18), rgba(59,130,246,.08)); }
.ic-gold { background: linear-gradient(135deg, rgba(243,156,18,.2), rgba(243,156,18,.1)); }
.ic-red { background: linear-gradient(135deg, rgba(231,76,60,.16), rgba(231,76,60,.07)); }
.ic-purple { background: linear-gradient(135deg, rgba(139,92,246,.18), rgba(139,92,246,.08)); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--btn-min-height); padding: 8px 18px; border: none; border-radius: 10px;
  font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: all .25s; position: relative; overflow: hidden;
}
.btn:active { transform: scale(.97); }
.btn.primary {
  background: radial-gradient(circle at top left, rgba(255,255,255,.25), transparent 42%), linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
}
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(var(--primary-rgb), .35); }
.btn.success {
  background: radial-gradient(circle at top left, rgba(255,255,255,.22), transparent 42%), linear-gradient(135deg, var(--success), var(--success-dark));
  color: #fff;
}
.btn.success:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(var(--success-rgb), .3); }
.btn.gray { background: #f0f1f3; color: #555; }
.btn.gray:hover { background: var(--hover-bg); filter: brightness(.96); }
.btn.danger { background: #fdeceb; color: var(--danger); border: 1px solid #f5c2c0; }
.btn.danger:hover { background: #fbdedb; }
.btn.sm { min-height: 32px; padding: 5px 13px; font-size: 13px; border-radius: 8px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 表单 */
input, select, textarea {
  width: 100%; padding: 11px 13px; border: 2px solid var(--border); border-radius: 10px;
  font-size: var(--input-font-size); background: var(--card-bg); color: var(--text);
  outline: none; font-family: inherit; transition: all .25s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .15); }
label { display: block; font-size: 13px; color: var(--text-light); margin: 10px 0 5px; font-weight: 500; }
.form-inline { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.form-inline > div { flex: 1; min-width: 140px; }

/* 表格 */
.table-wrap { overflow-x: auto; border-radius: 12px; }
table {
  width: 100%; border-collapse: separate; border-spacing: 0; background: var(--card-bg);
  border-radius: 12px; overflow: hidden; box-shadow: var(--card-shadow);
}
th, td { padding: 12px 13px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { background: linear-gradient(180deg, #f6f9f6, #eef4ee); color: var(--primary-dark); font-weight: 700; white-space: nowrap; font-size: 12px; letter-spacing: .5px; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafcfa; }

/* 徽章 */
.badge {
  display: inline-block; padding: 3px 11px; border-radius: 99px; font-size: 12px; font-weight: 600;
  border: 1px solid transparent;
}
.badge.green { background: rgba(var(--success-rgb), .12); color: var(--success-dark); border-color: rgba(var(--success-rgb), .22); }
.badge.red { background: rgba(var(--danger-rgb), .1); color: var(--danger); border-color: rgba(var(--danger-rgb), .2); }
.badge.gray { background: #eef0f2; color: #6b7280; border-color: #e6e9eb; }
.badge.orange { background: rgba(var(--warning-rgb), .12); color: #c7741a; border-color: rgba(var(--warning-rgb), .2); }

/* 空态 */
.empty { text-align: center; color: var(--text-light); padding: 30px; font-size: 14px; }

/* 顶栏链接 */
.toplink { color: #fff; text-decoration: none; font-size: 13px; opacity: .9; margin-right: 12px; }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.pagination button {
  min-width: 34px; height: 34px; border: 1px solid var(--border); border-radius: 8px;
  background: #fff; cursor: pointer; font-weight: 600; transition: all .2s; color: var(--text);
}
.pagination button:hover { border-color: var(--primary); color: var(--primary); }
.pagination button.active { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; border-color: transparent; }

/* 减少动效（无障碍 P2） */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 打印 */
@media print {
  body { background: #fff; }
  .no-print, .topbar-no-print, nav, header, button, .btn { display: none !important; }
  .page { padding: 0; }
  .card { box-shadow: none; border: 1px solid #ddd; }
  body > div:first-child { display: none !important; }
}