/* ============ 基础 ============ */
:root {
  --bg: #0f1117;
  --bg2: #161a23;
  --bg3: #1e2430;
  --border: #2a3140;
  --text: #e6e9f0;
  --text-dim: #8b93a7;
  --primary: #4f7cff;
  --primary-dim: #3a5fd0;
  --danger: #e5534b;
  --ok: #3fb950;
  --warn: #d29922;
  --radius: 8px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
.hidden { display: none !important; }
b { color: var(--text); }

/* ============ 按钮 / 输入 ============ */
.btn {
  background: var(--bg3); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 14px; cursor: pointer; font-size: 13px;
  display: inline-block; text-decoration: none; line-height: 1.4; vertical-align: middle;
}
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dim); }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.link { background: transparent; border: none; color: var(--primary); cursor: pointer; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

code {
  background: var(--bg3); padding: 2px 6px; border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; word-break: break-all;
}

/* ============ 登录页 ============ */
.login-view {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 600px at 50% -10%, #1d2536, var(--bg));
}
.login-card {
  width: 520px; max-width: 92vw; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 36px 40px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.login-logo { font-size: 42px; text-align: center; margin-bottom: 8px; }
.login-card h1 { font-size: 20px; text-align: center; font-weight: 600; margin-bottom: 6px; }
.login-sub { text-align: center; color: var(--text-dim); margin-bottom: 20px; }
#tokenInput, #reloginTokenInput {
  width: 100%; height: 110px; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
  font-family: ui-monospace, Menlo, monospace; font-size: 12px; resize: vertical; word-break: break-all;
}
#tokenInput:focus, #reloginTokenInput:focus { outline: none; border-color: var(--primary); }
.login-help {
  margin: 14px 0 18px; color: var(--text-dim); font-size: 12px; line-height: 1.9;
  background: var(--bg); border-radius: 8px; padding: 10px 14px;
}
.login-error, .modal-error { color: var(--danger); font-size: 12px; margin-top: 8px; min-height: 16px; }
.btn.block { width: 100%; padding: 11px; font-size: 15px; }

/* 登录方式分区 */
.login-method { margin: 14px 0; }
.login-method > b {
  display: block; font-size: 13px; color: var(--text);
  margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px dashed var(--border);
}
.login-steps { margin: 0; padding-left: 18px; color: var(--text-dim); font-size: 13px; line-height: 2; }
.login-steps li { margin: 4px 0; }
.login-steps b { color: var(--text); }
.bm-row { margin: 8px 0; text-align: center; }
.bookmarklet {
  display: inline-block; background: var(--primary); color: #fff;
  padding: 9px 18px; border-radius: 8px; font-size: 13px; font-weight: 600;
  cursor: grab; user-select: none; text-decoration: none;
  box-shadow: 0 4px 14px rgba(59,130,246,.35);
}
.bookmarklet:hover { filter: brightness(1.1); }
.login-method .btn.block { margin-top: 8px; }
.login-method textarea { margin-top: 8px; }

/* ============ 主布局 ============ */
.app { display: flex; flex-direction: column; height: 100vh; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 20px; background: var(--bg2); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 16px; }
.user-box { display: flex; align-items: center; gap: 14px; }
.user-nick { color: var(--text-dim); }
.space-box { display: flex; align-items: center; gap: 8px; }
.space-bar {
  width: 140px; height: 6px; background: var(--bg3); border-radius: 3px; overflow: hidden;
}
.space-used { height: 100%; background: linear-gradient(90deg, var(--primary), #7aa2ff); width: 0; }
.space-text { color: var(--text-dim); font-size: 12px; }
.token-expire { color: var(--text-dim); font-size: 12px; }
.token-expire.warn { color: var(--warn); }

/* ============ 工具栏 ============ */
.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 10px 20px; flex-wrap: wrap;
}
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.search-input {
  background: var(--bg2); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 7px 12px; width: 240px; font-size: 13px;
}
.search-input:focus { outline: none; border-color: var(--primary); }

/* ============ 面包屑 ============ */
.breadcrumb { padding: 2px 20px 10px; color: var(--text-dim); font-size: 13px; }
.breadcrumb a { color: var(--primary); cursor: pointer; margin-right: 6px; text-decoration: none; }
.breadcrumb span.cur { color: var(--text); }

/* ============ 表格 ============ */
.main-table-wrap { flex: 1; overflow: auto; padding: 0 20px; }
.file-table { width: 100%; border-collapse: collapse; }
.file-table th {
  position: sticky; top: 0; background: var(--bg); z-index: 2;
  text-align: left; color: var(--text-dim); font-weight: 500; font-size: 12px;
  padding: 8px 10px; border-bottom: 1px solid var(--border); user-select: none;
}
.file-table th.sortable { cursor: pointer; }
.file-table th.sortable:hover { color: var(--text); }
.sort-arrow { color: var(--primary); }
.file-table td {
  padding: 9px 10px; border-bottom: 1px solid #1c2230; vertical-align: middle;
}
.file-table tbody tr:hover { background: var(--bg2); }
.file-table tr.row-selected { background: #1b2740; }
.col-check { width: 34px; }
.col-size { width: 110px; color: var(--text-dim); }
.col-time { width: 170px; color: var(--text-dim); }
.col-actions { width: 240px; text-align: right; white-space: nowrap; }
.fname { display: flex; align-items: center; gap: 10px; min-width: 0; cursor: pointer; }
.fname .icon { font-size: 20px; flex-shrink: 0; width: 24px; text-align: center; }
.fname .nm {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 46vw;
}
.fname .nm.dir { color: var(--text); }
.row-actions .btn { margin-left: 6px; }
.empty-tip { text-align: center; color: var(--text-dim); padding: 60px 0 !important; }

/* ============ 底栏 ============ */
.bottom-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 20px; border-top: 1px solid var(--border); background: var(--bg2);
}
.batch-ops { display: flex; align-items: center; gap: 8px; color: var(--text-dim); }
.pager { display: flex; align-items: center; gap: 8px; }
.total-info { color: var(--text-dim); font-size: 12px; }
#pageInfo { color: var(--text-dim); font-size: 12px; min-width: 40px; text-align: center; }

/* ============ 上传面板 ============ */
.upload-panel {
  position: fixed; right: 18px; bottom: 18px; width: 400px; max-width: 92vw;
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,.5); z-index: 50;
}
.upload-panel-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-bottom: 1px solid var(--border); font-weight: 600;
}
.upload-panel.collapsed .upload-list { display: none; }
.upload-list { max-height: 300px; overflow: auto; }
.upload-item { padding: 10px 14px; border-bottom: 1px solid #1c2230; }
.upload-item:last-child { border-bottom: none; }
.upload-item .u-name {
  font-size: 13px; margin-bottom: 6px; display: flex; justify-content: space-between; gap: 10px;
}
.upload-item .u-status { font-size: 12px; flex-shrink: 0; }
.u-status.ok { color: var(--ok); }
.u-status.err { color: var(--danger); }
.u-status.warn { color: var(--warn); }
.u-status.dim { color: var(--text-dim); }
.upload-item .u-bar {
  height: 5px; background: var(--bg3); border-radius: 3px; overflow: hidden; margin-bottom: 4px;
}
.upload-item .u-bar > div { height: 100%; background: var(--primary); width: 0; transition: width .2s; }
.upload-item .u-bar > div.done { background: var(--ok); }
.upload-item .u-bar > div.err { background: var(--danger); }
.upload-item .u-ops { text-align: right; }
.upload-item .u-ops button {
  background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 12px;
}
.upload-item .u-ops button:hover { color: var(--text); }

/* ============ 模态 ============ */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 100;
  display: flex; align-items: center; justify-content: center; backdrop-filter: blur(2px);
}
.modal {
  width: 460px; max-width: 92vw; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px 24px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.modal.wide { width: 560px; }
.modal-title { font-size: 16px; font-weight: 600; margin-bottom: 14px; }
.modal-text { color: var(--text-dim); line-height: 1.7; margin-bottom: 12px; word-break: break-all; }
.modal-text.small { font-size: 12px; }
.modal-input {
  width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 9px 12px; font-size: 14px;
}
.modal-input:focus { outline: none; border-color: var(--primary); }
.modal textarea {
  width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 9px 12px; font-size: 12px; font-family: ui-monospace, Menlo, monospace;
  word-break: break-all; resize: vertical;
}
.modal textarea:focus { outline: none; border-color: var(--primary); }
.modal-btns { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

/* ============ 文件预览 ============ */
.modal.preview { width: 860px; max-width: 94vw; }
.preview-body {
  min-height: 160px; max-height: 68vh; overflow: auto;
  background: var(--bg); border-radius: 8px;
  display: flex; justify-content: center; align-items: center;
}
.preview-body.txt, .preview-body.pdf { display: block; }
.preview-img { max-width: 100%; max-height: 64vh; border-radius: 6px; object-fit: contain; }
.preview-video { max-width: 100%; max-height: 64vh; background: #000; border-radius: 6px; }
.preview-pdf { width: 100%; height: 64vh; border: none; border-radius: 6px; background: #fff; }
.preview-text {
  margin: 0; padding: 14px 16px; text-align: left;
  white-space: pre-wrap; word-break: break-all;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 12.5px; line-height: 1.65;
}
.preview-audio-box { width: 100%; padding: 40px 0; text-align: center; }
.preview-audio-icon { font-size: 52px; margin-bottom: 18px; }
.preview-audio { width: 100%; }
.preview-loading { color: var(--text-dim); padding: 40px 0; }

/* 移动目录选择 */
.move-crumbs { margin-bottom: 8px; font-size: 13px; color: var(--text-dim); }
.move-crumbs a { color: var(--primary); cursor: pointer; text-decoration: none; margin-right: 4px; }
.move-list {
  height: 260px; overflow: auto; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); padding: 6px;
}
.move-item {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 6px; cursor: pointer;
}
.move-item:hover { background: var(--bg3); }
.move-item .mi-arrow { margin-left: auto; color: var(--text-dim); }

/* ============ Toast ============ */
.toast-box { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 200; }
.toast {
  background: var(--bg2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 18px; border-radius: 8px; margin-bottom: 10px; box-shadow: 0 8px 30px rgba(0,0,0,.4);
  animation: fadeIn .18s ease;
}
.toast.ok { border-color: var(--ok); }
.toast.err { border-color: var(--danger); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; } }

/* loading 遮罩行 */
tr.loading td { color: var(--text-dim); text-align: center; padding: 40px 0; }