:root {
  color-scheme: light;
  --bg: #efe7dc;
  --bg-strong: #f8f4ec;
  --panel: rgba(255, 251, 246, 0.94);
  --panel-strong: rgba(255, 255, 255, 0.85);
  --line: rgba(30, 35, 31, 0.1);
  --line-strong: rgba(30, 35, 31, 0.18);
  --ink: #1a241f;
  --muted: #5f6a63;
  --accent: #0f766e;
  --accent-strong: #0c5f59;
  --gold: #9b6b18;
  --danger: #b24637;
  --success: #1f7a45;
  --shadow: 0 28px 60px rgba(31, 35, 32, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI Variable Text", "Segoe UI", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.18), transparent 24%),
    radial-gradient(circle at right top, rgba(155, 107, 24, 0.16), transparent 22%),
    linear-gradient(180deg, #faf6f0 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

code {
  padding: 0.15em 0.35em;
  border-radius: 0.45em;
  background: rgba(15, 118, 110, 0.08);
}

.shell {
  width: min(1260px, calc(100vw - 30px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.shell-auth {
  width: min(720px, calc(100vw - 30px));
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
}

.crumbs a {
  text-decoration: none;
  color: var(--accent-strong);
}

.hero {
  display: grid;
  gap: 16px;
  margin-bottom: 26px;
}

.hero-home {
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: end;
}

.hero-compact {
  grid-template-columns: minmax(0, 1fr);
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  color: var(--accent-strong);
}

h1,
h2,
h3,
.source-name {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
}

h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 0.98;
}

h2 {
  font-size: 30px;
  line-height: 1.05;
}

h3 {
  font-size: 24px;
}

.lead,
.panel-copy,
.source-meta,
.browse-summary,
.browse-meta,
.summary-row span,
.summary-row strong,
.empty-state,
.empty-state-card,
.video-frame::before {
  color: var(--muted);
}

.lead {
  width: min(780px, 100%);
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
}

.panel-copy {
  margin: 0 0 18px;
  line-height: 1.65;
}

.page-grid,
.stack-column,
.stack-gap,
.source-list,
.summary-stack,
.stats-grid,
.card-grid,
.detail-stack,
.browse-list,
.upload-form,
.secret-form,
.browse-form {
  display: grid;
  gap: 18px;
}

.page-grid-home {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 24px;
}

.workspace-shell {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.auth-layout {
  display: grid;
  gap: 18px;
}

.auth-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  margin: -4px 0 18px;
}

.auth-status {
  color: var(--muted);
  font-size: 14px;
}

.workspace-content,
.workspace-panel {
  display: grid;
  gap: 18px;
}

.workspace-panel[hidden] {
  display: none !important;
}

.workspace-nav {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 10px;
  padding: 18px;
  border-radius: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.workspace-nav-link {
  display: block;
  padding: 12px 14px;
  border-radius: 16px;
  text-decoration: none;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid transparent;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.workspace-nav-link:hover {
  transform: translateY(-1px);
  color: var(--ink);
}

.workspace-nav-link.is-active {
  color: var(--accent-strong);
  background: rgba(15, 118, 110, 0.12);
  border-color: rgba(15, 118, 110, 0.22);
  font-weight: 700;
}

.page-grid-source {
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
}

.page-grid-file {
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
}

.stack-column {
  align-content: start;
}

.toolbar-cluster {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.file-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.path-trail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(26, 36, 31, 0.08);
}

.path-chip {
  appearance: none;
  border: none;
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.path-separator {
  color: var(--muted);
}

.panel,
.source-card,
.summary-card,
.empty-state-card,
.browse-row,
.video-frame {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.panel,
.source-card,
.summary-card,
.empty-state-card,
.video-frame {
  border-radius: 26px;
}

.panel,
.source-card {
  padding: 24px;
}

.panel-spacious {
  min-height: 320px;
}

.summary-card,
.empty-state-card {
  padding: 18px;
}

.panel-header,
.source-main,
.form-actions,
.card-actions,
.browse-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.panel-header {
  margin-bottom: 18px;
}

.file-picker,
.secret-form label,
.browse-field {
  display: grid;
  gap: 10px;
}

.file-picker {
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed rgba(15, 118, 110, 0.34);
  background: rgba(255, 255, 255, 0.7);
}

.file-picker span,
.secret-form span,
.browse-field span,
.checkbox-row span {
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(26, 36, 31, 0.14);
  background: rgba(255, 255, 255, 0.92);
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 110px;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(15, 118, 110, 0.18);
  border-color: rgba(15, 118, 110, 0.4);
}

.checkbox-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.checkbox-row input {
  width: auto;
}

.ghost-button,
.primary-button,
.button-link {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease, background 140ms ease;
}

.ghost-button,
.button-link {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.primary-button {
  border: none;
  background: linear-gradient(135deg, var(--accent) 0%, #138579 100%);
  color: white;
  font-weight: 700;
}

.danger-button {
  border-color: rgba(178, 70, 55, 0.3);
  color: var(--danger);
}

.ghost-button:hover,
.primary-button:hover,
.button-link:hover {
  transform: translateY(-1px);
}

.danger-button:hover {
  background: rgba(178, 70, 55, 0.08);
}

.ghost-button:disabled,
.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.feedback {
  margin-bottom: 22px;
  padding: 14px 16px;
  border-radius: 16px;
  font-size: 14px;
}

.feedback-info {
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-strong);
}

.feedback-success {
  background: rgba(31, 122, 69, 0.12);
  color: var(--success);
}

.feedback-error {
  background: rgba(178, 70, 55, 0.12);
  color: var(--danger);
}

.source-name {
  font-size: 28px;
}

.source-meta {
  margin: 8px 0 0;
  word-break: break-word;
}

.summary-chip {
  display: inline-flex;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-ready {
  background: rgba(31, 122, 69, 0.12);
  color: var(--success);
}

.status-idle {
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-strong);
}

.status-busy {
  background: rgba(155, 107, 24, 0.14);
  color: var(--gold);
}

.status-error {
  background: rgba(178, 70, 55, 0.12);
  color: var(--danger);
}

.stats-grid,
.card-grid {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.stat,
.summary-row,
.browse-row {
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid rgba(26, 36, 31, 0.06);
}

.stat,
.summary-row {
  padding: 14px 16px;
}

.stat span,
.summary-row span {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat strong,
.summary-row strong {
  display: block;
  font-size: 15px;
  line-height: 1.45;
  word-break: break-word;
}

.browse-shell {
  min-height: 220px;
}

.browse-list {
  margin-top: 14px;
}

.browse-toolbar {
  flex-wrap: wrap;
}

.browse-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
}

.browse-row-main {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.browse-row-main strong {
  display: inline-block;
  word-break: break-word;
}

.browse-row-clickable {
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.browse-row-clickable:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 118, 110, 0.26);
  background: rgba(255, 255, 255, 0.92);
}

.browse-type {
  display: inline-block;
  margin-left: 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-strong);
}

.browse-thumbnail {
  width: 84px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(26, 36, 31, 0.08);
  background: rgba(255, 255, 255, 0.82);
  display: grid;
  place-items: center;
}

.browse-thumbnail-placeholder {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.browse-thumbnail-folder {
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.14), rgba(15, 118, 110, 0.04)),
    rgba(255, 255, 255, 0.85);
}

.browse-thumbnail-image,
.thumbnail-preview-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.browse-meta {
  display: grid;
  gap: 6px;
  align-items: end;
  text-align: right;
  font-size: 13px;
}

.browse-nav-button {
  justify-self: end;
}

/* 批量选择 */
.browse-checkbox {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  cursor: default;
  padding: 4px;
}

.browse-checkbox input {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent);
}

.browse-row-selected {
  border-color: rgba(15, 118, 110, 0.34) !important;
  background: rgba(15, 118, 110, 0.06) !important;
}

/* 批量工具栏 */
.batch-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
  padding: 14px 18px;
  border-radius: 18px;
  background: rgba(15, 118, 110, 0.06);
  border: 1px solid rgba(15, 118, 110, 0.14);
}

.batch-select-all {
  display: flex;
  gap: 8px;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
}

.batch-select-all input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.batch-count {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

.batch-progress {
  margin-top: 14px;
}

/* 凭据弹窗 */
.credential-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: rgba(26, 36, 31, 0.5);
  backdrop-filter: blur(4px);
}

.credential-overlay-panel {
  width: min(520px, calc(100vw - 40px));
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  padding: 28px;
  border-radius: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.credential-overlay-panel h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.credential-overlay-panel p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
}

.video-frame {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.18), transparent 24%),
    linear-gradient(160deg, rgba(17, 24, 39, 0.92), rgba(38, 48, 62, 0.95));
}

video {
  width: 100%;
  min-height: 320px;
  background: transparent;
}

.thumbnail-card {
  min-height: 260px;
  padding: 18px;
  border-radius: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
}

.thumbnail-placeholder {
  width: 100%;
  min-height: 220px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 20px;
  border-radius: 20px;
  border: 1px dashed rgba(15, 118, 110, 0.28);
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
}

@media (max-width: 1080px) {
  .hero-home,
  .page-grid-home,
  .page-grid-source,
  .page-grid-file,
  .workspace-shell {
    grid-template-columns: 1fr;
  }

  .workspace-nav {
    position: static;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100vw - 18px, 1260px);
    padding-top: 20px;
  }

  .panel,
  .source-card {
    padding: 18px;
    border-radius: 20px;
  }

  .panel-header,
  .source-main,
  .form-actions,
  .card-actions,
  .browse-toolbar,
  .browse-row,
  .browse-row-main {
    flex-direction: column;
  }

  .browse-meta {
    align-items: start;
    text-align: left;
  }

  .ghost-button,
  .primary-button,
  .button-link,
  .workspace-nav-link {
    width: 100%;
  }

  .workspace-nav {
    grid-template-columns: 1fr;
  }

  video,
  .video-frame {
    min-height: 220px;
  }
}

/* ═══════════════════════════════════════════════════════════
   资源管理器（Explorer）布局
   复用 :root 变量与 .panel/.status-pill/.feedback/.summary-* 等既有类
   ═══════════════════════════════════════════════════════════ */

.explorer-body {
  height: 100vh;
  overflow: hidden;
}

.serif {
  font-family: Georgia, "Times New Roman", serif;
}

.explorer-app {
  height: 100vh;
  display: grid;
  grid-template-rows: 56px auto 1fr;
}

/* 顶栏 */
.explorer-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.explorer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  font-weight: 600;
}

.explorer-logo {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #138579);
  color: #fff;
  font-size: 16px;
}

.explorer-search {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  width: min(360px, 32vw);
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  color: var(--muted);
}

.explorer-search input {
  border: none;
  background: transparent;
  outline: none;
  width: 100%;
  padding: 4px 0;
  color: var(--ink);
}

.explorer-auth {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

.explorer-icon-btn {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 15px;
}

.explorer-icon-btn:hover {
  background: rgba(15, 118, 110, 0.08);
  color: var(--ink);
}

.explorer-hamburger {
  display: none;
}

.explorer-feedback {
  margin: 0;
  border-radius: 0;
}

/* 主分栏 */
.explorer-split {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: 0;
  height: 100%;
}

.explorer-split.with-detail {
  grid-template-columns: 250px minmax(0, 1fr) 320px;
}

/* 左侧栏 */
.explorer-sidebar {
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
  padding: 14px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.explorer-side-label {
  padding: 10px 10px 4px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.explorer-tree {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.explorer-tree-empty {
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.explorer-tree-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: 12px;
  color: var(--ink);
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
}

.explorer-tree-item:hover {
  background: rgba(255, 255, 255, 0.7);
}

.explorer-tree-item.active {
  background: rgba(15, 118, 110, 0.12);
  border-color: rgba(15, 118, 110, 0.22);
  color: var(--accent-strong);
  font-weight: 600;
}

.explorer-drive-ico {
  font-size: 15px;
}

.explorer-tree-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.explorer-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.explorer-dot.ready {
  background: var(--success);
}
.explorer-dot.idle {
  background: var(--accent);
}
.explorer-dot.error {
  background: var(--danger);
}
.explorer-dot.busy {
  background: var(--gold);
}

.explorer-side-divider {
  height: 1px;
  background: var(--line);
  margin: 8px 4px;
}

.explorer-manage-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: 11px;
  color: var(--muted);
  font-size: 14px;
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
}

.explorer-manage-link:hover {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
}

/* 主内容区 */
.explorer-main {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
  background: rgba(255, 255, 255, 0.28);
}

.explorer-navbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
}

.explorer-nav-arrows {
  display: flex;
  gap: 4px;
}

.explorer-crumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.explorer-crumbs::-webkit-scrollbar {
  display: none;
}

.explorer-crumb {
  padding: 6px 11px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent-strong);
  border: none;
  white-space: nowrap;
  font: inherit;
}

.explorer-crumb:hover {
  background: rgba(15, 118, 110, 0.16);
}

.explorer-crumb-sep {
  color: var(--muted);
  font-size: 12px;
}

.explorer-view-toggle {
  display: flex;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
}

.explorer-view-toggle button {
  width: 38px;
  height: 34px;
  border: none;
  background: transparent;
  color: var(--muted);
}

.explorer-view-toggle button.active {
  background: rgba(15, 118, 110, 0.14);
  color: var(--accent-strong);
}

.explorer-sort {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.explorer-sort select {
  width: auto;
  padding: 7px 10px;
  border-radius: 10px;
}

/* 选择操作条 */
.explorer-action-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(15, 118, 110, 0.06);
  border-bottom: 1px solid rgba(15, 118, 110, 0.14);
}

.explorer-select-all {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
}

.explorer-select-all input {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
}

.explorer-pill {
  padding: 8px 15px;
  font-size: 13px;
}

.explorer-spacer {
  flex: 1;
}

/* 文件区 */
.explorer-file-area {
  overflow: auto;
  min-height: 0;
  padding: 8px 12px 16px;
}

/* 列表视图（表格） */
.explorer-tbl {
  width: 100%;
  border-collapse: collapse;
}

.explorer-tbl thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 10px 12px;
  background: var(--bg-strong);
  border-bottom: 1px solid var(--line);
  user-select: none;
}

.explorer-sortable:hover {
  color: var(--ink);
  cursor: pointer;
}

.explorer-arrow {
  color: var(--accent);
  font-size: 10px;
}

.explorer-col-chk {
  width: 42px;
  text-align: center;
}

.explorer-col-size {
  width: 110px;
  text-align: right;
}

.explorer-col-type {
  width: 120px;
}

.explorer-col-time {
  width: 175px;
}

.explorer-tbl tbody tr {
  border-bottom: 1px solid rgba(26, 36, 31, 0.06);
  cursor: pointer;
}

.explorer-tbl tbody tr:hover {
  background: rgba(255, 255, 255, 0.72);
}

.explorer-tbl tbody tr.selected {
  background: rgba(15, 118, 110, 0.08);
}

.explorer-tbl tbody tr.active {
  outline: 2px solid rgba(15, 118, 110, 0.28);
  outline-offset: -2px;
}

.explorer-tbl td {
  padding: 8px 12px;
  font-size: 14px;
  vertical-align: middle;
}

.explorer-row-check {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
}

.explorer-name-cell {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.explorer-thumb {
  position: relative;
  width: 46px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(26, 36, 31, 0.08);
}

.explorer-thumb.folder {
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.16), rgba(15, 118, 110, 0.04));
}

.explorer-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.explorer-thumb-ico {
  font-size: 17px;
}

.explorer-play {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 9px;
}

.explorer-name-txt {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.explorer-badge-type {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-strong);
}

/* 网格视图 */
.explorer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
  padding: 6px;
}

.explorer-card {
  border-radius: 16px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft, 0 8px 22px rgba(31, 35, 32, 0.08));
  display: flex;
  flex-direction: column;
  gap: 9px;
  position: relative;
  cursor: pointer;
  transition: transform 0.14s ease, border-color 0.14s ease;
}

.explorer-card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.26);
}

.explorer-card.selected {
  border-color: rgba(15, 118, 110, 0.4);
  background: rgba(15, 118, 110, 0.06);
}

.explorer-card.active {
  outline: 2px solid rgba(15, 118, 110, 0.28);
}

.explorer-card-check {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
}

.explorer-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 11px;
  overflow: hidden;
  display: grid;
  place-items: center;
  font-size: 34px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(26, 36, 31, 0.08);
}

.explorer-cover.folder {
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.16), rgba(15, 118, 110, 0.04));
}

.explorer-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.explorer-play-lg {
  position: absolute;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  display: grid;
  place-items: center;
}

.explorer-card-cap {
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.explorer-card-sub {
  font-size: 12px;
  color: var(--muted);
}

/* 批量进度 */
.explorer-batch-progress {
  padding: 0 16px 12px;
}

/* 状态栏 */
.explorer-statusbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.explorer-link-like {
  color: var(--accent-strong);
  background: none;
  border: none;
  font: inherit;
}

/* 右侧详情面板 */
.explorer-detail {
  border-left: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.5);
  overflow-y: auto;
}

.explorer-split:not(.with-detail) .explorer-detail {
  display: none;
}

.explorer-detail-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.explorer-detail-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.explorer-detail-ico {
  font-size: 28px;
}

.explorer-detail-ico-lg {
  font-size: 44px;
}

.explorer-detail-title {
  font-size: 16px;
  font-weight: 600;
  word-break: break-word;
}

.explorer-preview-frame {
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(17, 24, 39, 0.92), rgba(38, 48, 62, 0.95));
  display: grid;
  place-items: center;
  min-height: 180px;
}

.explorer-preview-frame video {
  width: 100%;
  display: block;
  min-height: 180px;
  background: transparent;
}

.explorer-preview-static {
  aspect-ratio: 16 / 10;
  color: #fff;
}

.explorer-preview-static img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.explorer-detail-status {
  font-size: 13px;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--panel-strong);
  word-break: break-word;
}

.explorer-detail-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* 右键菜单 */
.explorer-context-menu {
  position: fixed;
  z-index: 50;
  min-width: 180px;
  padding: 6px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.explorer-context-menu[hidden] {
  display: none;
}

.explorer-context-menu button {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border: none;
  background: transparent;
  border-radius: 9px;
  font: inherit;
  color: var(--ink);
}

.explorer-context-menu button:hover {
  background: rgba(15, 118, 110, 0.1);
}

.explorer-context-menu .danger {
  color: var(--danger);
}

.explorer-context-menu hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 4px 2px;
}

/* 对话框 */
.explorer-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(26, 36, 31, 0.5);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
}

.explorer-overlay[hidden] {
  display: none;
}

.explorer-dialog {
  width: min(560px, calc(100vw - 40px));
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  border-radius: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 24px;
}

.explorer-dialog-wide {
  width: min(760px, calc(100vw - 40px));
}

.explorer-dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.explorer-dialog-head h3 {
  font-size: 22px;
}

.explorer-manage-content {
  display: grid;
  gap: 16px;
}

/* 移动端遮罩 */
.explorer-backdrop {
  display: none;
}

/* ── 响应式：平板 ── */
@media (max-width: 1080px) {
  .explorer-split,
  .explorer-split.with-detail {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  /* 详情面板改为从右滑入的覆盖式抽屉 */
  .explorer-split.with-detail .explorer-detail {
    position: fixed;
    top: 56px;
    right: 0;
    bottom: 0;
    width: min(360px, 90vw);
    z-index: 40;
    box-shadow: var(--shadow);
    display: block;
  }

  /* 隐藏类型列，节省空间 */
  .explorer-col-type {
    display: none;
  }
}

/* ── 响应式：手机 ── */
@media (max-width: 760px) {
  .explorer-hamburger {
    display: grid;
  }

  .explorer-brand span:last-child {
    display: none;
  }

  .explorer-split,
  .explorer-split.with-detail {
    grid-template-columns: minmax(0, 1fr);
  }

  /* 侧栏改为离屏抽屉 */
  .explorer-sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    bottom: 0;
    width: min(260px, 82vw);
    z-index: 45;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

  .explorer-sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow);
  }

  .explorer-backdrop {
    display: block;
    position: fixed;
    inset: 56px 0 0 0;
    z-index: 44;
    background: rgba(26, 36, 31, 0.4);
  }

  .explorer-backdrop[hidden] {
    display: none;
  }

  /* 详情/播放器全屏覆盖 */
  .explorer-split.with-detail .explorer-detail {
    width: 100vw;
    top: 56px;
  }

  .explorer-search {
    width: auto;
    flex: 1;
  }

  .explorer-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .explorer-col-size {
    display: none;
  }

  .explorer-action-bar {
    flex-wrap: wrap;
  }
}