/* 简洁现代风格，无框架依赖 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #16a34a;
  --bg: #f5f7fa;
  --card-bg: #ffffff;
  --border: #e5e7eb;
  --text: #1f2937;
  --text-muted: #6b7280;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

.hidden {
  display: none !important;
}

.view {
  min-height: 100vh;
}

/* ========== 登录页 ========== */
#login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  width: 380px;
}

.login-card h1 {
  font-size: 20px;
  text-align: center;
  margin-bottom: 28px;
  color: var(--text);
}

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

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  background: var(--card-bg);
  color: var(--text);
  font-family: inherit;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.btn-default {
  background: var(--card-bg);
  border-color: var(--border);
}

.btn-default:hover {
  border-color: var(--text-muted);
}

.btn-danger {
  color: var(--danger);
  background: transparent;
  border-color: transparent;
  padding: 4px 8px;
}

.btn-danger:hover {
  background: rgba(220, 38, 38, 0.1);
}

.btn-link {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}

.btn-link:hover {
  color: var(--text);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* ========== 顶栏 ========== */
.topbar {
  height: 56px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: var(--shadow);
}

.topbar-left .logo {
  font-weight: 600;
  font-size: 16px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

/* ========== 布局 ========== */
.layout {
  display: flex;
  min-height: calc(100vh - 56px);
}

.sidebar {
  width: 200px;
  background: var(--card-bg);
  border-right: 1px solid var(--border);
  padding: 16px 0;
}

.nav-item {
  display: block;
  padding: 10px 24px;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}

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

.nav-item.active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: rgba(37, 99, 235, 0.05);
}

.content {
  flex: 1;
  padding: 24px;
  overflow-x: auto;
}

/* ========== 标签页 ========== */
.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

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

.pane-header h2 {
  font-size: 18px;
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-row select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 200px;
}

/* ========== 表格 ========== */
.table-wrap {
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table tbody tr:hover {
  background: rgba(37, 99, 235, 0.03);
}

.data-table .col-actions {
  display: flex;
  gap: 4px;
}

.checksum-cell {
  font-family: "Consolas", "Monaco", monospace;
  font-size: 11px;
  color: var(--text-muted);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========== 徽标 ========== */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}

.badge-success {
  background: rgba(22, 163, 74, 0.1);
  color: var(--success);
}

.badge-default {
  background: var(--bg);
  color: var(--text-muted);
}

/* ========== 模态框 ========== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 24px;
  width: 480px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-card h3 {
  margin-bottom: 20px;
  font-size: 16px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* ========== 上传相关 ========== */
.upload-info {
  background: var(--bg);
  padding: 12px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 13px;
}

.upload-progress-wrap {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.upload-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

#upload-progress-fill {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: width 0.2s;
}

#upload-progress-text {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 40px;
  text-align: right;
}

/* ========== 错误文本 ========== */
.error-text {
  color: var(--danger);
  font-size: 12px;
  margin-top: 8px;
  min-height: 16px;
}

/* ========== Toast ========== */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  background: var(--text);
  color: #fff;
  padding: 12px 20px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 200;
  font-size: 13px;
  max-width: 360px;
}

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

.toast.toast-success {
  background: var(--success);
}

/* ========== 文档块 ========== */
.doc-block {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.doc-block h3 {
  font-size: 15px;
  margin-bottom: 12px;
  color: var(--primary);
}

.doc-block p {
  margin: 8px 0;
  color: var(--text-muted);
}

.doc-block pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 12px;
  line-height: 1.5;
}

.doc-block code {
  font-family: "Consolas", "Monaco", monospace;
}

/* ========== 存储配置 ========== */

/* 弹窗整体 */
.storage-modal-card {
  width: 580px !important;
  padding: 0 !important;
  overflow: hidden;
}

.storage-modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #f0f9ff 0%, #eff6ff 100%);
}

.storage-modal-header h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.storage-modal-card form {
  padding: 24px;
}

/* 分区 */
.storage-section {
  margin-bottom: 20px;
}

.storage-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.5px;
}

/* 双列网格 */
.storage-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.storage-grid-2 .form-group {
  margin-bottom: 12px;
}

/* OSS 字段区域 */
.storage-oss-fields {
  margin-top: 4px;
}

.storage-oss-fields .form-group {
  margin-bottom: 12px;
}

/* 测试连接栏 */
.storage-test-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  padding: 12px 16px;
  background: var(--bg);
  border-radius: 8px;
}

.storage-test-result {
  flex: 1;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  display: none;
}

.storage-test-result:not(:empty) {
  display: block;
}

.storage-test-result.test-success {
  background: #f0fdf4;
  color: var(--success);
  border: 1px solid #bbf7d0;
}

.storage-test-result.test-error {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
}

/* 路径预览 */
.storage-path-preview {
  margin-top: 8px;
  padding: 8px 12px;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 6px;
  font-size: 12px;
  color: #0369a1;
  font-family: "Consolas", "Monaco", monospace;
  word-break: break-all;
}

.storage-path-preview:empty {
  display: none;
}

/* 提示块 */
.storage-tip-block {
  margin-top: 16px;
  padding: 12px 16px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 6px;
  font-size: 13px;
  color: #92400e;
}

/* 徽章 */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background: #dcfce7;
  color: #16a34a;
}

.badge-default {
  background: #f3f4f6;
  color: #6b7280;
}