/* ===== 明济视频管理系统 - 后台样式（移动端优先响应式） ===== */
:root {
  --text: #1A1B1C;
  --text2: #6B7280;
  --bg: #F4F3EE;
  --card: #FFFFFF;
  --border: #E4E3DD;
  --primary: #2F6FED;
  --danger: #E5484D;
  --success: #2F9E44;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
code { background: rgba(0,0,0,0.05); padding: 2px 6px; border-radius: 4px; font-size: 13px; }

/* ===== 顶栏 ===== */
.topbar { background: #1A1B1C; color: #fff; }
.topbar-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 16px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 6px;
}
.brand { color: #fff; font-weight: 700; font-size: 16px; padding: 12px 0; }
.topnav { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; font-size: 14px; }
.topnav a { color: #cfd2d6; padding: 12px 0; }
.topnav a:hover { color: #fff; }
.nav-user { color: #9aa0a6; font-size: 13px; }
.btn-logout { color: #ffb3b5 !important; }

/* ===== 主容器 ===== */
.container { max-width: 1080px; margin: 0 auto; padding: 20px 16px 40px; }
.page-title { margin: 0 0 4px; font-size: 20px; }
.page-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.welcome { color: var(--text2); margin: 0 0 16px; }
.section-title { font-size: 16px; margin: 22px 0 10px; }
.muted { color: var(--text2); font-size: 13px; }

/* ===== 统计卡片 ===== */
.stat-grid { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.stat-card {
  flex: 1 1 150px; min-width: 0; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px;
}
.stat-num { font-size: 26px; font-weight: 700; }
.stat-label { color: var(--text2); font-size: 13px; }

/* ===== 面板 / 双栏 ===== */
.grid-2 { display: flex; gap: 16px; flex-wrap: wrap; }
.panel {
  flex: 1 1 280px; min-width: 0; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 16px;
}
.panel .section-title { margin-top: 0; }

/* ===== 表单 ===== */
.form-item { margin-bottom: 14px; }
.form-item label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 5px; font-weight: 500; }
.form-item input, .form-item select, .form-item textarea {
  width: 100%; padding: 9px 10px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; background: #fff;
  font-family: inherit; line-height: 1.5;
}
.form-item textarea { min-height: 96px; resize: vertical; }
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
  outline: 2px solid rgba(47,111,237,0.3); border-color: var(--primary);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-block; border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 8px 16px; border-radius: 8px; font-size: 14px; cursor: pointer;
  min-height: 40px;
}
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 4px 10px; font-size: 13px; min-height: 30px; }
.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.inline-form { display: inline-block; }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: #FAFAF7; font-weight: 600; white-space: nowrap; }
.table-striped tbody tr:nth-child(even) { background: #FAFAF7; }
.table tbody tr:last-child td { border-bottom: none; }
.cell-actions { white-space: nowrap; display: flex; gap: 6px; }

/* ===== 徽标 / 提示 ===== */
.badge { background: rgba(47,111,237,0.12); color: var(--primary); font-size: 12px; padding: 1px 8px; border-radius: 20px; }
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.alert-success { background: rgba(47,158,68,0.12); color: var(--success); border: 1px solid rgba(47,158,68,0.3); }
.alert-error { background: rgba(229,72,77,0.12); color: var(--danger); border: 1px solid rgba(229,72,77,0.3); }
.text-error { color: var(--danger); }

/* ===== 分页 ===== */
.pagination { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.page-link { padding: 6px 12px; border: 1px solid var(--border); border-radius: 8px; background: #fff; font-size: 13px; min-width: 36px; text-align: center; }
.page-link.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ===== 弹窗 ===== */
.success-icon {
  width: 58px; height: 58px; margin: 0 auto; border-radius: 50%;
  background: linear-gradient(135deg, #52C41A, #389E0D); color: #fff;
  font-size: 30px; font-weight: 700; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(82,196,26,0.35);
}
.toast {
  position: fixed; top: 20px; right: 20px; z-index: 2000;
  max-width: 320px; padding: 12px 18px; border-radius: 10px;
  font-size: 13px; color: #fff; box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  animation: toastIn .25s ease; word-break: break-all;
}
.toast-error { background: #EA6668; }
.toast-info { background: var(--primary); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 16px;
}
.modal {
  background: #fff; border-radius: 16px; width: 100%; max-width: 400px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.18); overflow: hidden;
}
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px 0; }
.modal-header h3 { margin: 0; font-size: 16px; font-weight: 600; }
.modal-close {
  border: none; background: none; font-size: 20px; line-height: 1; color: var(--text2);
  cursor: pointer; padding: 0; border-radius: 6px; width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: rgba(0,0,0,0.06); color: var(--text); }
.modal-body { padding: 14px 20px 6px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.modal .btn-primary { font-weight: 500; }

/* ===== 空状态 ===== */
.empty-state {
  background: var(--card); border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 40px 20px; text-align: center; color: var(--text2);
}

/* ===== 登录页 ===== */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 16px; }
.login-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 32px 28px; width: 100%; max-width: 380px;
}
.login-card h1 { font-size: 22px; margin: 0 0 2px; text-align: center; }
.login-card .subtitle { text-align: center; color: var(--text2); margin: 0 0 20px; font-size: 14px; }

/* ===== 页脚 ===== */
.footer { text-align: center; color: var(--text2); font-size: 12px; padding: 20px 16px; }

/* ===== 工具栏 ===== */
.toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.toolbar-form { display: flex; gap: 8px; flex-wrap: wrap; }
.toolbar-form input[type="text"] { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; width: 200px; }
.toolbar-form select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: #fff; }

/* ===== 视频标题 ===== */
.v-title { font-weight: 600; }
.v-desc { color: var(--text2); font-size: 12px; }

/* ===== 状态标签 ===== */
.badge-uploading { background: rgba(47,111,237,0.12); color: var(--primary); }
.badge-transcoding { background: rgba(250,173,20,0.15); color: #B7791F; }
.badge-ready { background: rgba(82,196,26,0.12); color: var(--success); }
.badge-failed { background: rgba(229,72,77,0.12); color: var(--danger); }

/* ===== 上传弹窗 ===== */
.modal-lg { max-width: 520px; }
.drop-zone {
  border: 2px dashed var(--border); border-radius: 12px; padding: 28px 16px;
  text-align: center; cursor: pointer; color: var(--text2); margin: 12px 0;
}
.drop-zone .dz-icon { font-size: 30px; color: var(--primary); }
.drop-zone p { margin: 6px 0 0; font-size: 13px; }
.up-name { font-size: 14px; font-weight: 600; margin-bottom: 8px; word-break: break-all; }
.progress { height: 10px; background: rgba(0,0,0,0.08); border-radius: 20px; overflow: hidden; margin-bottom: 8px; }
.progress-bar { height: 100%; width: 0; background: var(--primary); border-radius: 20px; transition: width .2s; }
.up-status { font-size: 12px; color: var(--text2); margin-bottom: 10px; }
.up-actions { display: flex; gap: 8px; }

/* ===== 移动端适配 ===== */
@media (max-width: 640px) {
  .topbar-inner { padding: 0 12px; }
  .container { padding: 16px 12px; }
  .stat-grid .stat-card { flex-basis: 100%; }
  .topnav { gap: 10px; font-size: 13px; }
  .nav-user { display: none; }
}