/* ========================================
   云成绩查询 - Web 前端样式
   ======================================== */

/* ---------- CSS 变量 (亮色主题) ---------- */
:root {
  --bg: #f5f5f5;
  --card-bg: #ffffff;
  --text: #333333;
  --text-secondary: #666666;
  --border: #ddd;
  --primary: #4a90d9;
  --primary-hover: #357abd;
  --danger: #d94a4a;
  --danger-hover: #c53030;
  --tab-active: #4a90d9;
  --tab-inactive: #eee;
  --table-stripe: #f9f9f9;
  --table-hover: #eef4ff;
  --header-bg: #4a90d9;
  --header-text: #fff;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --radius: 8px;
  --msg-color: #e74c3c;
  --success-color: #27ae60;
  --progress-bg: #e0e0e0;
  --progress-fill: #4a90d9;
}

/* ---------- 暗色主题 ---------- */
[data-theme="dark"] {
  --bg: #1a1a2e;
  --card-bg: #16213e;
  --text: #e0e0e0;
  --text-secondary: #aaa;
  --border: #333;
  --primary: #5c9ded;
  --primary-hover: #4a8ad5;
  --danger: #e06060;
  --danger-hover: #c53030;
  --tab-active: #5c9ded;
  --tab-inactive: #1f2f50;
  --table-stripe: #1b2a4a;
  --table-hover: #253958;
  --header-bg: #0f3460;
  --header-text: #eee;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
  --msg-color: #ff6b6b;
  --success-color: #2ecc71;
  --progress-bg: #333;
  --progress-fill: #5c9ded;
}

/* ---------- 全局 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background .3s, color .3s;
}

#app {
  max-width: 1300px;
  margin: 0 auto;
  padding: 16px;
}

/* ---------- 头部 ---------- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--header-bg);
  color: var(--header-text);
  padding: 14px 24px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.header h1 { font-size: 1.4rem; font-weight: 600; }
.theme-toggle { cursor: pointer; font-size: 1.4rem; user-select: none; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 12px; font-size: 1.05rem; }

/* ---------- 顶部栏 ---------- */
.top-bar {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.login-card, .user-card { flex: 0 0 280px; }
.select-card { flex: 1 1 400px; }

/* ---------- 表单 ---------- */
.form-group {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.form-group label {
  white-space: nowrap;
  font-size: .92rem;
  color: var(--text-secondary);
}
input[type="text"],
input[type="password"],
input[type="number"],
select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: .92rem;
  background: var(--card-bg);
  color: var(--text);
  outline: none;
  transition: border-color .2s;
}
input:focus, select:focus { border-color: var(--primary); }
select { min-width: 260px; }

/* ---------- 按钮 ---------- */
.btn {
  padding: 7px 18px;
  border: none;
  border-radius: 4px;
  font-size: .92rem;
  cursor: pointer;
  transition: background .2s, opacity .2s;
  color: #fff;
  background: #888;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-danger { background: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger-hover); }

/* ---------- 消息 ---------- */
.msg { font-size: .85rem; margin-top: 6px; min-height: 1.2em; }
.msg.error { color: var(--msg-color); }
.msg.success { color: var(--success-color); }
.msg.info { color: var(--primary); }

/* ---------- 隐藏工具类 ---------- */
.hidden { display: none !important; }

/* ---------- Tabs ---------- */
.result-section { margin-bottom: 16px; }
.tabs { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.tab-headers {
  display: flex;
  flex-wrap: wrap;
  background: var(--tab-inactive);
  border-bottom: 2px solid var(--border);
}
.tab-btn {
  padding: 10px 20px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: .92rem;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color .2s, border-color .2s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--tab-active);
  border-bottom-color: var(--tab-active);
  font-weight: 600;
}
.tab-pane { display: none; padding: 16px 20px; }
.tab-pane.active { display: block; }

/* ---------- 表格 ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: .9rem;
}
.data-table caption {
  text-align: left;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: .95rem;
}
.data-table th, .data-table td {
  padding: 8px 12px;
  text-align: center;
  border: 1px solid var(--border);
}
.data-table th {
  background: var(--primary);
  color: #fff;
  font-weight: 500;
}
.data-table tbody tr:nth-child(even) { background: var(--table-stripe); }
.data-table tbody tr:hover { background: var(--table-hover); }
.data-table td:first-child { text-align: left; font-weight: 500; }

/* ---------- 操作栏 ---------- */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

/* ---------- 扫描 ---------- */
.scan-card { margin-bottom: 16px; }
.scan-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 8px;
}

/* ---------- 进度条 ---------- */
.progress-bar-container {
  width: 100%;
  height: 8px;
  background: var(--progress-bg);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--progress-fill);
  transition: width .3s;
  border-radius: 4px;
}

/* ---------- 信息行 ---------- */
.info-row { display: flex; gap: 4px; margin-bottom: 4px; font-size: .92rem; }
.info-row span:first-child { color: var(--text-secondary); }

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .top-bar { flex-direction: column; }
  .login-card, .user-card { flex: 1 1 auto; }
  .data-table { font-size: .82rem; }
  .data-table th, .data-table td { padding: 5px 6px; }
}