body.theme-cloud-sheets {
  background: #0f172a;
  color: #e5e7eb;
}

body.theme-cloud-sheets main.container {
  padding: 8px 12px;
}

.cs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.cs-header h2 {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1;
  display: flex;
  align-items: center;
}

.header-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.header-actions button {
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: #e5e7eb;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-actions button:hover {
  background: rgba(148, 163, 184, 0.1);
}

.cs-login {
  max-width: 450px;
  margin: 24px auto;
  background: radial-gradient(circle at 0 0, rgba(37, 99, 235, 0.16) 0, rgba(15, 23, 42, 0.8) 40%, rgba(15, 23, 42, 0.98) 100%);
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 18px 18px 16px;
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
}

.cs-login h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 16px 0;
  text-align: center;
}

.cs-login .list-card {
  padding: 8px 0 0;
}

.theme-cloud-sheets .modal-row {
  margin-bottom: 10px;
}

.theme-cloud-sheets .modal-label {
  font-size: 13px;
  color: #cbd5e1;
}

.theme-cloud-sheets .modal-input {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.88);
  color: #e5e7eb;
  padding: 8px 10px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.theme-cloud-sheets .modal-input::placeholder {
  color: #64748b;
}

.theme-cloud-sheets .modal-input:focus {
  border-color: rgba(59, 130, 246, 0.9);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.7), 0 18px 40px rgba(15, 23, 42, 0.9);
  background: rgba(15, 23, 42, 1);
}

.theme-cloud-sheets .action-buttons {
  display: flex;
  align-items: center;
}

.theme-cloud-sheets .action-btn {
  border-radius: 999px;
  border: none;
  padding: 7px 14px;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.5), rgba(37, 99, 235, 0.8));
  color: #f9fafb;
  cursor: pointer;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.9);
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.theme-cloud-sheets .action-btn:hover {
  background: radial-gradient(circle at top left, rgba(96, 165, 250, 0.6), rgba(37, 99, 235, 0.95));
  transform: translateY(-1px);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 1);
}

.theme-cloud-sheets .action-btn:active {
  transform: translateY(0);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.9);
}

.cs-split {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 12px;
}

.cs-left,
.cs-right {
  height: calc(100vh - 44px);
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 12px;
  padding: 10px;
  display: flex;
  flex-direction: column;
}

.cs-left-header {
  margin-bottom: 8px;
  flex-shrink: 0;
}

.cs-left-header .actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.cs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  overflow: auto;
}

.cs-list li {
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 8px;
  cursor: pointer;
}

.cs-list li.active {
  border-color: #60a5fa;
  background: rgba(59, 130, 246, 0.2);
}

.cs-right-header {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
  flex-wrap: nowrap;
}

.cs-right-header .actions {
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.cs-right-header .modal-input {
  flex: 1;
  min-width: 0;
}

.cs-right-header .actions button {
  white-space: nowrap;
}

.cs-editor-wrap {
  margin-top: 10px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cs-univer-host {
  flex: 1;
  width: 100%;
  height: 100%;
  position: relative;
  background: #111827;
  overflow: hidden;
}

/* 强制 Univer 内部容器铺满 */
.cs-univer-host .univer-app-container {
  position: absolute !important;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100% !important;
  height: 100% !important;
}

.cs-fallback-json {
  width: 100%;
  min-height: 62vh;
  background: #020617;
  color: #e2e8f0;
  border: 0;
  resize: vertical;
  padding: 10px;
  font-family: Consolas, monospace;
  font-size: 13px;
}

.cs-attach-panel {
  margin-top: 10px;
}

.cs-attach-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.cs-search-layer {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.8);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-search-box {
  width: min(920px, 90vw);
  background: #0f172a;
  border: 1px solid rgba(148, 163, 184, 0.32);
  border-radius: 10px;
  padding: 12px;
}

.cs-search-header {
  display: flex;
  gap: 8px;
}

.cs-search-input {
  flex: 1;
  height: 36px;
}

.cs-search-results {
  max-height: 55vh;
  overflow: auto;
  margin-top: 8px;
}

.cs-search-item {
  padding: 8px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 8px;
  margin-bottom: 6px;
  cursor: pointer;
}

.cs-versions-body {
  width: min(980px, 92vw);
}

.cs-versions-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cs-versions-list {
  max-height: 65vh;
  overflow: auto;
  margin-top: 10px;
}

.cs-version-row {
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cs-loading {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-loading-box {
  background: #0b1220;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 10px;
  min-width: 280px;
  padding: 14px;
}

.cs-loading-msg {
  margin-top: 6px;
  color: #cbd5e1;
  font-size: 13px;
}

.cs-loading-status {
  margin-top: 10px;
  font-size: 13px;
  color: #93c5fd;
}

.cs-loading-status.ok {
  color: #22c55e;
}

.cs-loading-status.err {
  color: #ef4444;
}

.cs-loading-logs {
  margin-top: 8px;
  max-height: 280px;
  overflow: auto;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 8px;
  padding: 8px;
  background: #020617;
  font-family: Consolas, monospace;
  font-size: 12px;
  line-height: 1.45;
}

.cs-log-line {
  color: #cbd5e1;
  margin-bottom: 4px;
}

.cs-log-line.err {
  color: #fca5a5;
}

.cs-log-line.ok {
  color: #86efac;
}

.cs-loading-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.cs-dialog {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.6);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-dialog-box {
  width: min(560px, 92vw);
  background: #0b1220;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 10px;
  overflow: hidden;
}

.cs-dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #0078d7;
  color: #fff;
  height: 34px;
  padding-left: 12px;
}

.cs-dialog-head .icon-theme {
  width: 44px;
  height: 34px;
  border: none;
  border-radius: 0;
  background: transparent;
  color: #fff;
}

.cs-dialog-head .icon-theme:hover {
  background: #e81123;
}

.cs-dialog-msg {
  padding: 14px;
  color: #dbe6ff;
  white-space: pre-wrap;
  line-height: 1.5;
}

.cs-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(148, 163, 184, 0.08);
}

body.theme-cloud-sheets[data-theme="light"] {
  background: #f5f7fb;
  color: #0f172a;
}

body.theme-cloud-sheets[data-theme="light"] .cs-left,
body.theme-cloud-sheets[data-theme="light"] .cs-right,
body.theme-cloud-sheets[data-theme="light"] .cs-search-box {
  background: #fff;
  border-color: #d4dbe8;
}

body.cs-fullscreen .cs-header {
  display: none;
}

body.cs-fullscreen main.container {
  padding: 0;
  max-width: 100%;
}

body.cs-fullscreen .cs-left {
  display: none;
}

body.cs-fullscreen .cs-split {
  grid-template-columns: 1fr;
  gap: 0;
}

body.cs-fullscreen .cs-right {
  height: 100vh;
  border-radius: 0;
  border: none;
  padding: 6px;
}