:root {
  --page-bg: #eceff1;
  --panel-bg: #f8fafb;
  --line: #c7cdd2;
  --text: #28323a;
  --muted: #77818a;
  --accent: #1479ba;
  --accent-dark: #0e5c8c;
  --header: #59636c;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; color: var(--text); font: 14px/1.5 Arial, "Microsoft YaHei", sans-serif; }
body { background: var(--page-bg); }
a { color: #086dcc; text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.app-toast[hidden], .app-confirm[hidden] { display: none !important; }
.app-toast {
  position: fixed;
  top: 16px;
  left: 50%;
  z-index: 100;
  display: flex;
  width: max-content;
  max-width: min(460px, calc(100vw - 24px));
  align-items: flex-start;
  gap: 8px;
  padding: 9px 10px;
  border: 1px solid #111111;
  border-left-width: 4px;
  border-radius: 2px;
  background: #f4fbf5;
  box-shadow: 0 5px 16px rgba(0, 0, 0, .24);
  color: #1e5429;
  transform: translateX(-50%);
  animation: app-toast-in .16s ease-out;
}
.app-toast-error { background: #fff6f6; color: #8f2525; }
.app-toast-leaving { opacity: 0; transform: translate(-50%, -5px); transition: opacity .18s ease, transform .18s ease; }
.app-toast-mark { flex: 0 0 auto; width: 18px; height: 18px; border: 1px solid currentColor; border-radius: 50%; font-size: 12px; font-weight: 700; line-height: 16px; text-align: center; }
.app-toast-message { min-width: 0; overflow-wrap: anywhere; }
.app-toast-close { flex: 0 0 auto; padding: 0 3px; border: 0; background: transparent; color: currentColor; font-size: 18px; line-height: 18px; cursor: pointer; }
.app-toast-close:hover { color: #111111; }
@keyframes app-toast-in { from { opacity: 0; transform: translate(-50%, -8px); } to { opacity: 1; transform: translate(-50%, 0); } }
.app-confirm {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(0, 0, 0, .35);
}
.app-confirm-backdrop { position: absolute; inset: 0; }
.app-confirm-panel { position: relative; display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 10px; width: min(390px, 100%); padding: 16px; border: 1px solid #111111; border-radius: 2px; background: #ffffff; box-shadow: 0 10px 26px rgba(0, 0, 0, .3); color: #202020; }
.app-confirm-icon { display: grid; width: 24px; height: 24px; place-items: center; border: 1px solid #111111; border-radius: 50%; color: #111111; font-weight: 700; }
.app-confirm-content h2 { margin: 1px 0 5px; font-size: 15px; }
.app-confirm-content p { margin: 0; color: #555555; line-height: 1.6; }
.app-confirm-actions { grid-column: 2; display: flex; justify-content: flex-end; gap: 6px; margin-top: 6px; }
.app-confirm-actions button { min-width: 64px; padding: 5px 10px; border: 1px solid #111111; border-radius: 2px; background: #ffffff; color: #111111; }
.app-confirm-actions button:hover { background: #eeeeee; }
.app-confirm-actions [data-confirm-accept] { background: #111111; color: #ffffff; }
.app-confirm-actions [data-confirm-accept]:hover { background: #333333; }
.primary-button, .secondary-button { display: inline-block; border: 1px solid var(--accent); border-radius: 4px; padding: 7px 14px; background: var(--accent); color: #fff; text-decoration: none; }
.primary-button:hover, .secondary-button:hover { background: var(--accent-dark); color: #fff; text-decoration: none; }
.secondary-button { color: var(--accent); background: #fff; }
.secondary-button:hover { color: #fff; }

.setup-page { display: grid; place-items: center; padding: 32px 16px; background: linear-gradient(135deg, #e8eef2, #f9fbfc); }
.setup-card { width: min(560px, 100%); padding: 28px 32px; border: 1px solid var(--line); border-radius: 10px; background: #fff; box-shadow: 0 12px 34px rgba(40, 55, 65, .12); }
.setup-brand { color: var(--accent); font-size: 28px; font-weight: 700; letter-spacing: .04em; }
.setup-card h1 { margin: 8px 0 4px; font-size: 23px; }
.setup-form label, .edit-box label { display: block; margin: 13px 0; }
.setup-form input, .setup-form select, .setup-form textarea, .edit-box input, .edit-box textarea { width: 100%; margin-top: 5px; padding: 8px 9px; border: 1px solid #bac4cb; border-radius: 4px; background: #fff; color: var(--text); }
.setup-form fieldset { margin: 18px 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: 5px; }
.setup-form legend { padding: 0 6px; color: var(--accent-dark); }
.radio-line { margin: 7px 0 !important; }
.radio-line input { width: auto; margin-right: 6px; }
.database-fields { padding: 4px 0 8px 22px; }
.setup-tip { margin-bottom: 0; color: var(--muted); font-size: 12px; }

.space-page { display: flex; min-height: 100vh; flex-direction: column; background: var(--page-bg); }
.space-background-video,
.space-background-video-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.space-background-video {
  z-index: 0;
  object-fit: var(--theme-video-fit, cover);
  object-position: var(--theme-background-position, center);
  background: transparent;
}
.space-background-video-overlay {
  z-index: 0;
  background: rgba(0, 0, 0, var(--theme-overlay-alpha, 0));
}
.space-background-video-failed { display: none !important; }
.space-page > .space-header,
.space-page > .space-layout,
.space-page > .space-footer { position: relative; z-index: 1; }
.space-header { padding: 15px 22px 12px; background: var(--header); color: #fff; border-bottom: 4px solid #252a2e; }
.header-title { font-size: 27px; letter-spacing: .02em; }
.header-subtitle { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 7px; color: #dbe3e8; font-size: 13px; }
.header-subtitle a, .header-subtitle span { color: #dbe3e8; }
.header-subtitle a:hover { color: #fff; }
.header-separator { opacity: .75; }
.space-layout { display: grid; flex: 1 1 auto; grid-template-columns: 265px minmax(0, 1fr); gap: 0; min-height: 0; }
.space-sidebar { min-width: 0; padding: 8px 5px; background: #dfe4e7; border-right: 1px solid #aab3b9; }
.sidebar-panel { padding: 14px 10px; border: 1px solid #aab3b9; background: var(--panel-bg); }
.action-panel { min-height: 170px; }
.panel-heading { margin: 0 0 12px; color: #3e4a52; font-size: 15px; font-weight: 700; }
.action-panel label { display: block; margin: 8px 0; color: #52606a; }
.action-panel input, .action-panel textarea, .action-panel select { width: 100%; margin-top: 4px; padding: 7px; border: 1px solid #bdc7cd; border-radius: 3px; background: #fff; }
.action-panel hr { border: 0; border-top: 1px solid var(--line); margin: 14px 0; }
.panel-back-link { display: inline-block; margin-top: 12px; font-size: 12px; }
.login-reminder { padding: 30px 6px; text-align: center; line-height: 2.1; }
.login-form .primary-button { width: 100%; margin-top: 6px; }
.logged-in-box { padding: 22px 4px; text-align: center; line-height: 2.1; }
.directory-actions { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.directory-actions .primary-button, .directory-actions .secondary-button { padding: 6px 9px; font-size: 12px; }
.inline-editor { padding-top: 10px; border-top: 1px solid var(--line); }
.inline-editor h3 { margin: 0 0 8px; font-size: 14px; }
.guestbook { margin-top: 9px; min-height: 170px; }
.panel-title { display: flex; justify-content: space-between; padding-bottom: 7px; border-bottom: 1px solid var(--line); }

.space-main { min-width: 0; background: #fff; }
.main-title { padding: 7px 16px; background: #272b2e; color: #fff; font-size: 16px; }
.node-list { padding: 5px 18px 20px; min-height: 390px; }
.node-row { display: flex; align-items: center; gap: 7px; min-height: 35px; border-bottom: 1px dotted #e0e5e8; }
.tree-folder { border-bottom: 1px dotted #e0e5e8; }
.tree-summary { display: flex; align-items: center; gap: 7px; min-height: 35px; cursor: pointer; list-style: none; }
.tree-summary::-webkit-details-marker { display: none; }
.tree-caret { display: inline-block; width: 15px; color: #6d7880; font-size: 13px; transition: transform .12s ease; }
.tree-folder[open] > .tree-summary .tree-caret { transform: rotate(90deg); }
.tree-caret.empty { color: #a1abb1; text-align: center; }
.tree-children { margin-left: 25px; padding-left: 10px; border-left: 2px solid #39b85a; }
.node-admin-actions form { display: inline; }
.node-admin-actions { display: inline-flex; gap: 7px; align-items: center; margin-left: auto; font-size: 12px; white-space: nowrap; }
.node-admin-actions button { padding: 0; border: 0; background: transparent; color: #c03939; }
.node-admin-actions .move-button { color: var(--accent); font-size: 15px; line-height: 1; }
.node-admin-actions button:disabled, .row-actions button:disabled { color: #b8c0c5; cursor: not-allowed; }
.node-icon-button { padding: 0; border: 0; background: transparent; color: inherit; cursor: pointer; font-size: inherit; }
.node-icon-button:hover { filter: brightness(.82); }
.danger-button { padding: 7px 14px; border: 1px solid #c03939; border-radius: 4px; background: #fff; color: #c03939 !important; cursor: pointer; }
.danger-button:hover { background: #fff3f3; }
.node-icon { width: 24px; text-align: center; }
.node-title { color: #075fc1; }
.folder-link { font-weight: 700; }
.node-detail { color: #85929b; font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-item { flex: 1; }
.text-item summary { cursor: pointer; }
.text-content { margin: 7px 0 3px 25px; padding: 9px; border-left: 3px solid #c2dbe9; white-space: pre-wrap; color: #56616a; }
.empty-state { padding: 55px 8px; color: var(--muted); text-align: center; }
.list-footer { padding: 10px 18px; border-top: 1px solid #d9dfe3; color: #68757d; }
.modal-open { overflow: hidden; }
.node-modal[hidden] { display: none; }
.node-modal { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 18px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(28, 36, 42, .42); }
.edit-modal { position: relative; z-index: 1; width: min(450px, 100%); max-height: min(620px, 90vh); overflow: auto; padding: 20px; border: 1px solid #aab6bd; border-radius: 6px; background: #fff; box-shadow: 0 12px 32px rgba(25, 35, 42, .26); }
.edit-modal [hidden] { display: none !important; }
.edit-modal h2 { margin: 0 30px 14px 0; font-size: 18px; }
.edit-modal label { display: block; margin: 11px 0; color: #52606a; }
.edit-modal input, .edit-modal textarea { width: 100%; margin-top: 4px; padding: 8px; border: 1px solid #bdc7cd; border-radius: 3px; background: #fff; }
.modal-close { position: absolute; top: 9px; right: 11px; padding: 0 5px; border: 0; background: transparent; color: #69757c; font-size: 24px; line-height: 1; cursor: pointer; }
.modal-divider { margin: 16px 0 12px; border-top: 1px solid var(--line); }
.modal-move-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.modal-move-actions form { margin: 0; }
.modal-move-actions button:disabled { border-color: #cdd3d7; background: #f4f6f7; color: #aeb8be; cursor: not-allowed; }
.space-rightbar { padding: 8px 10px; background: #dfe4e7; border-left: 1px solid #aab3b9; }
.right-card { margin-bottom: 10px; padding: 14px; border: 1px solid #b8c1c6; border-radius: 8px; background: #f8fafb; }
.right-card h2, .right-card h3 { margin: 0 0 8px; }
.right-card p { color: #66737b; }
.brand-card { text-align: center; }
.brand-mark { display: grid; place-items: center; width: 68px; height: 68px; margin: 3px auto 10px; border: 2px solid var(--accent); border-radius: 50%; color: var(--accent); font-size: 38px; font-weight: 700; }
.space-footer { padding: 10px 18px; color: #77818a; text-align: right; }

.admin-page {
  --admin-bg: #f3f7ff;
  --admin-surface: #fff;
  --admin-text: #17243b;
  --admin-muted: #8190a7;
  --admin-line: #e4ebf5;
  --admin-blue: #246bfa;
  --admin-blue-dark: #1555d8;
  --admin-blue-soft: #e8f0ff;
  min-height: 100vh;
  padding: 0;
  background: var(--admin-bg);
  color: var(--admin-text);
}
.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 24px;
  border-bottom: 1px solid var(--admin-line);
  background: rgba(255, 255, 255, .96);
}
.admin-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--admin-text);
  text-decoration: none;
}
.admin-brand:hover { color: var(--admin-blue); text-decoration: none; }
.admin-brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid #dce8fb;
  border-radius: 10px;
  background: #f2f7ff;
  color: var(--admin-blue);
  font-size: 17px;
  font-weight: 800;
}
.admin-brand-copy { display: flex; flex-direction: column; line-height: 1.05; }
.admin-brand-copy strong { font-size: 17px; letter-spacing: .01em; }
.admin-brand-copy small { margin-top: 4px; color: var(--admin-muted); font-size: 10px; font-weight: 500; }
.admin-topbar-actions { display: flex; align-items: center; gap: 18px; }
.admin-space-name { max-width: 220px; overflow: hidden; color: #65738b; text-overflow: ellipsis; white-space: nowrap; }
.admin-topbar-link { color: #53647e; font-size: 13px; }
.admin-topbar-link:hover { color: var(--admin-blue); }
.admin-inline-form { display: inline; margin: 0; }
.admin-logout-button {
  padding: 6px 12px;
  border: 1px solid #d7e1f2;
  border-radius: 7px;
  background: #fff;
  color: #52627c;
  font-size: 13px;
}
.admin-logout-button:hover { border-color: #b9cdf3; background: #f4f8ff; color: var(--admin-blue); }
.admin-shell { display: grid; min-height: calc(100vh - 60px); grid-template-columns: 176px minmax(0, 1fr); }
.admin-sidebar {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 22px 10px 16px;
  border-right: 1px solid var(--admin-line);
  background: #f9fbff;
}
.admin-sidebar-label {
  padding: 0 12px 9px;
  color: #a0adc1;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .03em;
}
.admin-sidebar-shortcuts { margin-top: 25px; }
.admin-nav { display: grid; gap: 4px; }
.admin-nav-item {
  display: flex;
  min-height: 38px;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border-left: 3px solid transparent;
  border-radius: 8px;
  color: #64748e;
  font-size: 13px;
  text-decoration: none;
}
.admin-nav-item:hover { background: #f0f5ff; color: var(--admin-blue); text-decoration: none; }
.admin-nav-item.active {
  border-left-color: var(--admin-blue);
  background: var(--admin-blue-soft);
  color: var(--admin-blue);
  font-weight: 600;
}
.admin-nav-icon { width: 17px; color: #8a9ab4; font-size: 16px; line-height: 1; text-align: center; }
.admin-nav-item.active .admin-nav-icon, .admin-nav-item:hover .admin-nav-icon { color: var(--admin-blue); }
.admin-sidebar-footer {
  display: grid;
  gap: 4px;
  margin-top: auto;
  padding: 14px 12px 0;
  border-top: 1px solid var(--admin-line);
  color: #9aa7ba;
  font-size: 11px;
}
.admin-sidebar-footer strong { overflow: hidden; color: #5a6a84; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.admin-main { width: min(1260px, 100%); min-width: 0; margin: 0 auto; padding: 30px 42px 48px; }
.admin-main-heading { display: flex; min-height: 48px; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.admin-eyebrow { margin-bottom: 5px; color: #8a99b0; font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.admin-main-heading h1 { margin: 0; color: #17243b; font-size: 26px; line-height: 1.2; }
.admin-header-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid #d9e4f6;
  border-radius: 7px;
  background: #fff;
  color: #536987;
  font-size: 12px;
}
.admin-header-action:hover { border-color: #b8cdf3; color: var(--admin-blue); text-decoration: none; }
.admin-notice { margin: 0 0 16px; border-radius: 8px; }
.admin-workspace-bar {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
  padding: 10px 15px;
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .82);
  color: #52627b;
  font-size: 12px;
}
.admin-workspace-bar > div { display: flex; min-width: 0; align-items: center; gap: 10px; }
.admin-workspace-bar strong { overflow: hidden; color: #283956; text-overflow: ellipsis; white-space: nowrap; }
.admin-workspace-label { color: #9aa7ba; }
.admin-status { display: inline-flex; align-items: center; gap: 6px; color: #6c7f9c; white-space: nowrap; }
.admin-status i { width: 7px; height: 7px; border-radius: 50%; background: #43bd81; box-shadow: 0 0 0 3px #e6f8ef; }
.admin-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; align-items: start; }
.admin-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  background: var(--admin-surface);
  box-shadow: 0 8px 24px rgba(55, 89, 145, .05);
}
.admin-card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.admin-card-kicker { margin-bottom: 6px; color: #a1aec0; font-size: 10px; font-weight: 700; letter-spacing: .1em; }
.admin-card h2 { margin: 0; color: #263650; font-size: 17px; line-height: 1.25; }
.admin-card-mark { color: #8ca7d8; font-size: 20px; line-height: 1; }
.admin-settings-form { min-width: 0; }
.admin-password-form { max-width: 430px; }
.admin-field { display: block; margin: 0 0 16px; color: #52627b; font-size: 12px; }
.admin-field-hint { margin-left: 5px; color: #9aa7ba; font-size: 11px; }
.admin-field input, .admin-field textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 10px;
  border: 1px solid #dce5f1;
  border-radius: 6px;
  outline: 0;
  background: #fbfdff;
  color: #30415d;
}
.admin-field input:focus, .admin-field textarea:focus { border-color: #8fb3f6; background: #fff; box-shadow: 0 0 0 3px #edf3ff; }
.admin-field textarea { min-height: 86px; resize: vertical; font: 12px/1.55 Consolas, monospace; }
.admin-theme-section { margin: 20px 0 18px; padding: 15px; border: 1px solid #e0e9f6; border-radius: 7px; background: #f8fbff; }
.admin-theme-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 13px; }
.admin-theme-heading h3 { margin: 0; color: #344766; font-size: 14px; }
.admin-theme-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 12px; }
.admin-theme-wide { grid-column: 1 / -1; }
.admin-theme-grid select { display: block; width: 100%; margin-top: 6px; padding: 9px 10px; border: 1px solid #dce5f1; border-radius: 6px; background: #fff; color: #30415d; }
.admin-theme-color-pair { display: flex; min-width: 0; gap: 12px; }
.admin-theme-color-pair .admin-field { min-width: 0; flex: 1 1 0; }
.admin-theme-grid input[type="range"] { display: block; width: 100%; margin: 10px 0 0; accent-color: var(--admin-blue); }
.admin-theme-grid output { float: right; color: var(--admin-blue); font-size: 11px; }
.admin-theme-grid input[type="color"] { width: 54px; height: 34px; margin-top: 6px; padding: 3px; border: 1px solid #dce5f1; border-radius: 6px; background: #fff; cursor: pointer; }
.admin-card-footer { display: flex; align-items: center; justify-content: flex-end; padding-top: 4px; }
.admin-page .primary-button, .admin-page .secondary-button {
  border-radius: 6px;
  padding: 7px 12px;
  font-size: 12px;
}
.admin-page .primary-button { border-color: var(--admin-blue); background: var(--admin-blue); }
.admin-page .primary-button:hover { border-color: var(--admin-blue-dark); background: var(--admin-blue-dark); }
.admin-page .secondary-button { border-color: #d9e3f1; background: #fff; color: #5d6e88; }
.admin-page .secondary-button:hover { border-color: #b6caf0; background: #f3f7ff; color: var(--admin-blue); }
.admin-actions { display: flex; flex-wrap: wrap; gap: 7px; margin: -4px 0 18px; }
.admin-actions form { display: inline; margin: 0; }
.admin-list { border-top: 1px solid var(--admin-line); }
.admin-list-empty { margin: 0; padding: 25px 0 5px; color: var(--admin-muted); font-size: 12px; text-align: center; }
.admin-row { display: flex; min-height: 51px; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 2px; border-bottom: 1px solid #edf1f7; }
.admin-row:last-child { border-bottom: 0; }
.admin-node-name { display: flex; min-width: 0; align-items: center; gap: 9px; color: #40516d; font-size: 13px; }
.admin-node-name > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-node-icon { display: grid; width: 25px; height: 25px; place-items: center; border-radius: 6px; background: #eef4ff; color: #76a0ed; font-size: 13px; }
.row-actions { display: flex; flex-shrink: 0; align-items: center; gap: 9px; white-space: nowrap; }
.row-actions form { display: inline; margin: 0; }
.row-actions a { color: #5e82c5; font-size: 12px; }
.row-actions a:hover { color: var(--admin-blue); }
.row-actions .move-button { padding: 0; border: 0; background: none; color: #7797ca; font-size: 15px; line-height: 1; }
.row-actions .move-button:hover { color: var(--admin-blue); }
.row-actions .move-button:disabled { color: #c9d3e1; cursor: not-allowed; }
.danger-link { padding: 0; border: 0; background: none; color: #c47987; font-size: 12px; }
.danger-link:hover { color: #b04a5d; }
.edit-box { margin: 0 0 18px; padding: 15px; border: 1px solid #d7e5fb; border-radius: 7px; background: #f5f9ff; }
.edit-box label { display: block; margin: 0 0 12px; color: #52627b; font-size: 12px; }
.edit-box input, .edit-box textarea { display: block; width: 100%; margin-top: 5px; padding: 8px 9px; border: 1px solid #d6e2f2; border-radius: 5px; background: #fff; color: #30415d; }
.edit-box textarea { resize: vertical; }
.edit-box .folder-public-option { display: flex; align-items: center; gap: 6px; }
.edit-box .folder-public-option input { width: auto; margin: 0; }
.edit-box .primary-button, .edit-box .secondary-button { margin-right: 5px; }

@media (max-width: 900px) {
  .space-layout { grid-template-columns: 220px minmax(0, 1fr); }
  .space-rightbar { display: none; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { padding: 14px 16px; border-right: 0; border-bottom: 1px solid var(--admin-line); }
  .admin-sidebar-label { padding: 0 2px 7px; }
  .admin-sidebar-shortcuts, .admin-sidebar-footer { display: none; }
  .admin-nav { display: flex; gap: 5px; overflow-x: auto; }
  .admin-nav-item { flex: 0 0 auto; }
  .admin-main { padding: 26px 24px 42px; }
}
@media (max-width: 620px) {
  .space-layout { display: block; }
  .space-sidebar { border-right: 0; }
  .space-main { min-height: 450px; }
  .space-page .space-header { min-height: 104px; padding-left: 12px; }
  .admin-topbar { align-items: flex-start; flex-direction: column; gap: 10px; padding: 12px 16px; }
  .admin-topbar-actions { width: 100%; justify-content: space-between; gap: 8px; }
  .admin-space-name { max-width: 120px; }
  .admin-main { padding: 22px 14px 34px; }
  .admin-main-heading { align-items: flex-start; flex-direction: column; gap: 12px; margin-bottom: 17px; }
  .admin-header-action { align-self: stretch; justify-content: center; }
  .admin-workspace-bar { align-items: flex-start; flex-direction: column; }
  .admin-card { padding: 17px 15px; }
  .admin-theme-grid { grid-template-columns: 1fr; }
  .admin-theme-wide { grid-column: auto; }
  .admin-theme-color-pair { flex-wrap: wrap; }
  .admin-row { align-items: flex-start; flex-direction: column; gap: 8px; }
  .row-actions { align-self: flex-end; }
}

/* Compact guestbook-and-directory layout used by the space view. */
.space-page {
  --space-green: #000000;
  --space-border: #888888;
  --space-panel: #f1f1f1;
  --space-link: #111111;
  display: flex;
  height: 100vh;
  min-height: 100vh;
  overflow: hidden;
  background: #fff;
  color: #444444;
  font: 12px/1.45 Arial, "宋体", "Microsoft YaHei", sans-serif;
}

:where(.space-page) .space-header {
  display: block;
  min-height: 128px;
  padding: 15px 22px 12px;
  border-bottom: 4px solid #252a2e;
  background: var(--header);
  color: #fff;
}
:where(.space-page) .header-title {
  display: block;
  font-size: 27px;
  letter-spacing: .02em;
}
:where(.space-page) .header-subtitle {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 7px;
  color: #dbe3e8;
  font-size: 13px;
  line-height: 1.5;
}
:where(.space-page) .header-subtitle a,
:where(.space-page) .header-subtitle span { color: #dbe3e8; }
:where(.space-page) .header-subtitle a:hover { color: #fff; }
:where(.space-page) .header-separator { margin: 0; opacity: .75; }
.space-page .space-layout {
  display: grid;
  grid-template-columns: 259px minmax(0, 1fr);
  align-items: stretch;
  flex: 1 1 auto;
  height: auto;
  min-height: 0;
  gap: 0;
  padding: 1px 0 0 5px;
  overflow: hidden;
  background: #fff;
}
.space-page .space-sidebar {
  min-width: 0;
  min-height: 0;
  display: flex;
  height: 100%;
  align-self: stretch;
  flex-direction: column;
  padding: 0 5px 0 0;
  overflow: hidden;
  background: transparent;
  border: 0;
}
.space-page .sidebar-panel {
  padding: 0;
  border: 1px solid var(--space-border);
  border-radius: 0;
  background: var(--space-panel);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .12);
}
.space-page .action-panel {
  min-height: 174px;
  overflow: hidden;
}
.management-tabs {
  display: flex;
  align-items: stretch;
  height: 27px;
  padding: 0 4px;
  border-bottom: 1px solid var(--space-border);
  background: #f2f2f2;
}
.management-tabs form { margin: 0; }
.management-tabs a,
.management-tabs button {
  display: block;
  align-self: flex-end;
  padding: 3px 7px 4px;
  border: 1px solid transparent;
  border-bottom: 0;
  color: #444444;
  background: transparent;
  font: inherit;
  line-height: 19px;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}
.management-tabs a:hover,
.management-tabs a.active,
.management-tabs button:hover,
.management-tabs button.active {
  border-color: var(--space-border);
  background: var(--space-panel);
  color: #111111;
  text-decoration: none;
}
.management-tabs a.active,
.management-tabs button.active { font-weight: 700; }
.action-panel-body { min-height: 146px; padding: 7px 9px 8px; }
.space-page .panel-heading {
  margin: 0 0 7px;
  color: #333333;
  font-size: 12px;
  font-weight: 700;
}
.space-page .action-panel label {
  display: block;
  margin: 6px 0;
  color: #444444;
}
.space-page .action-panel input,
.space-page .action-panel textarea,
.space-page .action-panel select {
  width: 100%;
  margin-top: 3px;
  padding: 3px 5px;
  border: 1px solid #bbbbbb;
  border-radius: 0;
  background: #fff;
  color: #444444;
  font-size: 12px;
}
.space-page .action-panel input[type="checkbox"] {
  width: auto;
  margin: 0;
  padding: 0;
  vertical-align: middle;
}
.space-page .action-panel input[type="file"] {
  padding: 2px;
  background: #fff;
}
.space-page .action-panel textarea { resize: vertical; }
.space-page .primary-button,
.space-page .secondary-button {
  padding: 3px 9px;
  border: 1px solid #666666;
  border-radius: 0;
  background: #333333;
  color: #fff;
  font-size: 12px;
  line-height: 18px;
}
.space-page .secondary-button {
  background: #f7f7f7;
  color: #444444;
}
.space-page .primary-button:hover,
.space-page .secondary-button:hover {
  border-color: #222222;
  background: #555555;
  color: #fff;
  text-decoration: none;
}
.space-page .secondary-button:disabled,
.space-page .primary-button:disabled {
  border-color: #cccccc;
  background: #e5e5e5;
  color: #999999;
  cursor: not-allowed;
}
.space-page .panel-back-link { display: inline-block; margin-top: 8px; color: #333333; }
.space-page .login-reminder { padding: 25px 6px; line-height: 2; text-align: center; }
.space-page .login-reminder a,
.space-page .logged-in-box a { color: #333333; }
.space-page .logged-in-box { padding: 15px 4px 8px; line-height: 2; text-align: center; }
.space-page .logout-form { display: inline; margin: 0; }
.space-page .logout-form button {
  padding: 0;
  border: 0;
  background: transparent;
  color: #333333;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}
.space-page .directory-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px; margin: 0; }
.space-page .management-actions { min-height: 130px; align-items: center; }
.space-page .directory-actions form,
.panel-switch-form { display: inline; margin: 0; }
.panel-link-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: #333333;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}
.space-page .directory-actions .primary-button,
.space-page .directory-actions .secondary-button { padding: 2px 6px; font-size: 11px; }
.space-page .upload-form { margin-bottom: 8px; }
.space-page .upload-form .primary-button { margin-top: 6px; }
.compact-disclosure { border-top: 1px solid #cccccc; padding-top: 5px; }
.compact-disclosure summary { color: #333333; cursor: pointer; }
.compact-form { margin-top: 5px; }
.space-page .action-panel hr { margin: 8px 0; border: 0; border-top: 1px solid #cccccc; }

.message-compose { padding-top: 1px; }
.message-name-row { display: flex; align-items: center; gap: 5px; }
.space-page .message-name-row .message-name-input {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  height: 22px;
  margin: 0;
}
.message-name-row .message-submit {
  flex: 0 0 auto;
  margin: 0;
  padding: 2px 7px;
  font-size: 11px;
  line-height: 16px;
}
.message-name-row .message-options {
  flex: 0 0 auto;
  margin: 0;
}
.check-label {
  display: inline-flex !important;
  align-items: center;
  gap: 2px;
  margin: 0 !important;
  white-space: nowrap;
}
.message-compose > textarea {
  display: block;
  height: 104px;
  margin: 6px 0;
  resize: none;
}
.message-options { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
.message-options .primary-button,
.message-options .secondary-button { margin-left: auto; }

.space-page .guestbook {
  flex: 1 1 auto;
  min-height: 0;
  margin-top: 4px;
  padding: 9px 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.guestbook-list {
  min-height: 0;
  flex: 0 1 auto;
  overflow-y: auto;
  padding-right: 2px;
}
.guestbook-entry {
  padding: 0 0 8px;
  border-bottom: 1px dashed #111111;
}
.guestbook-entry + .guestbook-entry { padding-top: 8px; }
.guestbook-entry-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
}
.guestbook-entry-title {
  min-width: 0;
  color: #333333;
}
.guestbook-entry-badge {
  display: inline-block;
  margin-left: 4px;
  padding: 0 3px;
  border: 1px solid #999999;
  background: #f3f3f3;
  color: #333333;
  font-size: 10px;
  font-weight: 400;
  line-height: 14px;
}
.guestbook-pinned-badge {
  display: inline-block;
  margin-left: 4px;
  color: #555555;
  font-family: "Segoe UI Symbol", "Segoe UI Emoji", sans-serif;
  font-size: 16px;
  line-height: 1;
  font-weight: 400;
  vertical-align: -2px;
  filter: grayscale(1);
}
.guestbook-entry-actions { flex: 0 0 auto; margin: 0; }
.guestbook-entry-actions button {
  padding: 0;
  border: 0;
  background: transparent;
  color: #222222;
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  text-decoration: underline;
}
.guestbook-icon {
  display: inline-block;
  margin-right: 3px;
  color: #f4d629;
  font-size: 18px;
  line-height: 1;
  text-shadow: 0 0 0 #666666;
  vertical-align: -2px;
}
.guestbook-entry p { margin: 2px 0 0; color: #666666; }
.guestbook-entry-content {
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.guestbook-meta { margin-top: 2px; color: #999999; font-size: 11px; }
.guestbook-empty { padding: 10px 0; color: #777777; text-align: center; }
.guestbook-count { margin-top: 11px; color: #555555; text-align: center; }
.guestbook-pagination { display: flex; justify-content: center; gap: 3px; margin-top: 5px; }
.guestbook-pagination form { margin: 0; }
.guestbook-pagination button {
  padding: 2px 7px;
  border: 1px solid #bbbbbb;
  border-radius: 0;
  background: #f3f3f3;
  color: #888888;
  font-size: 11px;
}
.guestbook-pagination button:not(:disabled) { color: #222222; cursor: pointer; }
.guestbook-pagination button:disabled { cursor: default; }

.space-page .space-main {
  min-width: 0;
  min-height: 0;
  display: flex;
  height: 100%;
  align-self: stretch;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
}
.space-page .main-title {
  height: 22px;
  padding: 1px 8px 0;
  background: var(--space-green);
  color: #fff;
  font-size: 13px;
  font-weight: 400;
  line-height: 20px;
}
.space-page .node-list {
  min-height: 0;
  flex: 1 1 auto;
  padding: 3px 8px 18px;
  overflow-y: auto;
}
.space-page .node-row,
.space-page .tree-summary {
  min-height: 27px;
  border-bottom: 1px dotted #dddddd;
  gap: 4px;
}
.space-page .sortable-node[draggable="true"] { cursor: grab; }
.space-page .sortable-node[draggable="true"]:active { cursor: grabbing; }
.space-page .sortable-node[draggable="true"] .node-title { cursor: grab; }
.space-page .sortable-node[draggable="true"] .node-title:active { cursor: grabbing; }
.space-page .sortable-node.sort-dragging { opacity: .45; }
.space-page .sortable-node.sort-over-before { border-top: 2px solid #333333; }
.space-page .sortable-node.sort-over-after { border-bottom: 2px solid #333333; }
.space-page .sortable-node.sort-inside-target {
  outline: 2px solid #333333;
  outline-offset: -2px;
  background: #f4f4f4;
}
.space-page .node-list.sort-root-drop-target {
  outline: 1px dashed #888888;
  outline-offset: -2px;
  background: #fafafa;
}
.space-page .sortable-node.upload-drop-target {
  outline: 2px solid #2b8a3e;
  outline-offset: -2px;
  background: #eff9f0;
}
.space-page .folder-create-form,
.space-page .directory-up-form { display: inline; margin: 0; }
.space-page .folder-unlock-trigger {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--space-link);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.space-page .folder-unlock-trigger:hover { text-decoration: underline; }
.space-page .folder-unlock-error { margin: 8px 4px 0; color: #a42d2d; font-size: 12px; }
.space-page .folder-unlock-field {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 10px 4px 8px;
  white-space: nowrap;
}
.space-page .folder-unlock-input-row {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 6px;
}
.space-page .folder-unlock-input-row > input {
  width: 220px;
  min-width: 0;
  flex: 1 1 220px;
  padding: 4px 6px;
  border: 1px solid #aaaaaa;
  border-radius: 0;
  background: #fff;
  color: #444444;
  font: 12px/18px Arial, "宋体", "Microsoft YaHei", sans-serif;
}
.space-page .folder-unlock-input-row > .legacy-button { flex: 0 0 auto; }
.space-page .folder-create-form button {
  margin-left: 7px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #086dcc;
  font: 11px/16px Arial, "宋体", "Microsoft YaHei", sans-serif;
  cursor: pointer;
}
.space-page .folder-create-form button:hover { background: transparent; color: #064f98; text-decoration: underline; }
.space-page .main-title { display: flex; align-items: center; justify-content: space-between; }
.space-page .directory-up-form button {
  padding: 0 6px;
  border: 1px solid #999999;
  border-radius: 2px;
  background: #f5f5f5;
  color: #333333;
  font: 11px/16px Arial, "宋体", "Microsoft YaHei", sans-serif;
  cursor: pointer;
}
.space-page .directory-up-form button:hover { background: #fff; color: #111111; }
.space-page .sort-drop-target { outline: 1px dashed #888888; outline-offset: -2px; }
.space-page .tree-summary { cursor: pointer; }
.space-page .tree-caret { width: 13px; color: #666666; font-size: 12px; }
.space-page .tree-caret.empty { color: #999999; }
.space-page .tree-children {
  margin-left: 17px;
  padding-left: 9px;
  border-left: 1px solid #777777;
}
.space-page .node-icon { width: 20px; font-size: 16px; line-height: 1; }
.space-page .node-title { color: var(--space-link); }
.space-page .folder-link { font-weight: 400; }
.space-page .node-detail { color: #a4974e; font-size: 11px; }
.space-page .node-download {
  flex: 0 0 auto;
  color: #075fc1;
  font-size: 11px;
  text-decoration: none;
  white-space: nowrap;
}
.space-page .node-download:hover { color: #003f80; text-decoration: underline; }
.space-page .text-content {
  margin: 5px 0 3px 22px;
  padding: 6px;
  border-left: 2px solid #bbbbbb;
  color: #666666;
}
.space-page .empty-state { padding: 44px 8px; color: #777777; }
.space-page .list-footer {
  padding: 6px 8px;
  border-top: 1px solid #dddddd;
  color: #666666;
}
.space-page .space-footer { display: none; }

/* Theme presets used by the admin decoration settings. */
.space-page.theme-classic .space-header {
  border-bottom-color: var(--theme-primary);
  background: var(--theme-primary);
}
.space-page.theme-classic .header-subtitle,
.space-page.theme-classic .header-subtitle a,
.space-page.theme-classic .header-subtitle span {
  color: #dddddd;
}
.space-page.theme-classic .main-title { background: var(--theme-primary); }
.space-page.theme-classic .sidebar-panel,
.space-page.theme-classic .management-tabs {
  border-color: var(--theme-panel-border);
  background: var(--theme-tab-bg);
}
.space-page.theme-classic .sidebar-panel { background: var(--theme-panel-bg); }
.space-page.theme-classic .management-tabs button.active,
.space-page.theme-classic .management-tabs button:hover {
  border-color: var(--theme-primary);
  background: var(--theme-panel-bg);
  color: var(--theme-primary);
}
.space-page.theme-classic .panel-heading,
.space-page.theme-classic .guestbook-entry-title { color: var(--theme-primary); }
.space-page.theme-classic .node-title,
.space-page.theme-classic .folder-link,
.space-page.theme-classic .text-open-button {
  color: var(--theme-accent);
  text-shadow: var(--theme-text-shadow);
  -webkit-text-stroke: var(--theme-text-stroke);
}

.space-page.theme-transparent {
  color: #dbe9e8;
}
.space-page.theme-transparent .space-header {
  border-bottom-color: rgba(190, 235, 231, .42);
  background: rgba(3, 10, 14, var(--theme-panel-alpha));
}
.space-page.theme-transparent .header-title {
  text-shadow: 0 2px 10px rgba(0, 0, 0, .65);
}
.space-page.theme-transparent .space-layout,
.space-page.theme-transparent .space-sidebar {
  background: transparent;
}
.space-page.theme-transparent .sidebar-panel,
.space-page.theme-transparent .guestbook {
  border-color: rgba(170, 225, 226, .4);
  background: rgba(5, 13, 18, var(--theme-panel-alpha));
  box-shadow: 0 4px 18px rgba(0, 0, 0, .2);
  color: #dbe9e8;
}
.space-page.theme-transparent .management-tabs {
  border-color: rgba(170, 225, 226, .4);
  background: rgba(3, 10, 14, var(--theme-panel-alpha));
}
.space-page.theme-transparent .management-tabs button,
.space-page.theme-transparent .panel-heading,
.space-page.theme-transparent .action-panel label {
  color: #dbe9e8;
}
.space-page.theme-transparent .management-tabs button.active,
.space-page.theme-transparent .management-tabs button:hover {
  border-color: rgba(170, 225, 226, .4);
  background: rgba(41, 112, 119, .62);
  color: #fff;
}
.space-page.theme-transparent .space-main {
  background: rgba(3, 10, 14, var(--theme-panel-alpha));
}
.space-page.theme-transparent .main-title {
  background: rgba(1, 7, 10, var(--theme-panel-alpha));
}
.space-page.theme-transparent .node-list {
  background: rgba(0, 0, 0, .18);
}
.space-page.theme-transparent .node-row,
.space-page.theme-transparent .tree-summary {
  border-color: rgba(190, 235, 231, .28);
}
.space-page.theme-transparent .node-row:hover,
.space-page.theme-transparent .tree-summary:hover {
  background: rgba(77, 155, 159, .2);
}
.space-page.theme-transparent .node-title,
.space-page.theme-transparent .folder-link,
.space-page.theme-transparent .text-open-button {
  color: var(--theme-accent);
  text-shadow: var(--theme-text-shadow);
  -webkit-text-stroke: var(--theme-text-stroke);
}
.space-page.theme-transparent .node-detail { color: #d5c978; }
.space-page.theme-transparent .node-icon { filter: drop-shadow(0 1px 3px rgba(0, 0, 0, .5)); }
.space-page.theme-transparent .tree-children { border-left-color: rgba(140, 219, 217, .72); }
.space-page.theme-transparent .list-footer { border-color: rgba(190, 235, 231, .28); color: #bfd6d3; }
.space-page.theme-transparent .guestbook-entry-title,
.space-page.theme-transparent .guestbook-entry p,
.space-page.theme-transparent .guestbook-count { color: #dbe9e8; }
.space-page.theme-transparent .guestbook-entry { border-bottom-color: rgba(190, 235, 231, .45); }
.space-page.theme-transparent .guestbook-entry-actions button { color: #dbe9e8; }

.space-page.theme-glass {
  background-color: #eaf0f8;
  color: #30415d;
}
.space-page.theme-glass .space-layout,
.space-page.theme-glass .space-sidebar {
  background: transparent;
}
.space-page.theme-glass .space-header {
  border-bottom-color: rgba(255, 255, 255, .5);
  background: rgba(255, 255, 255, var(--theme-glass-alpha));
  box-shadow: 0 8px 24px rgba(51, 73, 112, .12);
  color: #30415d;
  backdrop-filter: blur(8px);
}
.space-page.theme-glass .header-title { color: #30415d; text-shadow: none; }
.space-page.theme-glass .header-subtitle,
.space-page.theme-glass .header-subtitle a,
.space-page.theme-glass .header-subtitle span {
  color: #52627b;
}
.space-page.theme-glass .sidebar-panel,
.space-page.theme-glass .guestbook,
.space-page.theme-glass .space-main {
  border-color: rgba(255, 255, 255, .55);
  background: rgba(255, 255, 255, var(--theme-glass-alpha));
  box-shadow: 0 8px 24px rgba(51, 73, 112, .12);
  backdrop-filter: blur(8px);
}
.space-page.theme-glass .management-tabs {
  border-color: rgba(255, 255, 255, .55);
  background: rgba(255, 255, 255, var(--theme-glass-alpha));
}
.space-page.theme-glass .main-title {
  background: rgba(57, 79, 108, .8);
  color: #fff;
}
.space-page.theme-glass .node-row,
.space-page.theme-glass .tree-summary { border-color: rgba(110, 139, 180, .25); }
.space-page.theme-glass .node-row:hover,
.space-page.theme-glass .tree-summary:hover { background: rgba(255, 255, 255, .42); }
.space-page.theme-glass .node-title,
.space-page.theme-glass .folder-link,
.space-page.theme-glass .text-open-button {
  color: var(--theme-accent);
  text-shadow: var(--theme-text-shadow);
  -webkit-text-stroke: var(--theme-text-stroke);
}
.space-page.theme-classic .folder-unlock-dialog {
  border-color: var(--theme-panel-border);
  background: var(--theme-panel-bg);
  box-shadow: 0 4px 14px rgba(0, 0, 0, .22);
  color: var(--theme-accent);
}
.space-page.theme-classic .folder-unlock-dialog .legacy-dialog-title {
  border-color: var(--theme-primary);
  background: var(--theme-primary);
  color: #fff;
}
.space-page.theme-classic .folder-unlock-dialog .legacy-dialog-close { color: #fff; }
.space-page.theme-classic .folder-unlock-dialog .folder-unlock-input-row > input {
  border-color: var(--theme-panel-border);
  background: #fff;
  color: #333;
}
.space-page.theme-classic .folder-unlock-dialog .legacy-button {
  border-color: var(--theme-primary);
  background: var(--theme-primary);
  color: #fff;
}
.space-page.theme-classic .folder-unlock-dialog .legacy-button:hover { background: var(--theme-accent); }
.space-page.theme-classic .folder-unlock-dialog .folder-unlock-error { color: #a42d2d; }
.space-page.theme-transparent .folder-unlock-dialog {
  border-color: rgba(180, 226, 226, .58);
  background: rgba(7, 16, 20, .9);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .4);
  color: #dbe9e8;
}
.space-page.theme-transparent .folder-unlock-dialog .legacy-dialog-title {
  border-color: rgba(180, 226, 226, .4);
  background: rgba(18, 49, 54, .88);
  color: #fff;
}
.space-page.theme-transparent .folder-unlock-dialog .legacy-dialog-close { color: #b8d1d0; }
.space-page.theme-transparent .folder-unlock-dialog .folder-unlock-input-row > input {
  border-color: rgba(180, 226, 226, .62);
  background: rgba(248, 250, 247, .96);
  color: #354039;
}
.space-page.theme-transparent .folder-unlock-dialog .legacy-button {
  border-color: rgba(180, 226, 226, .58);
  background: rgba(27, 87, 93, .9);
  color: #fff;
}
.space-page.theme-transparent .folder-unlock-dialog .legacy-button:hover { background: rgba(49, 125, 130, .95); }
.space-page.theme-transparent .folder-unlock-dialog .folder-unlock-error { color: #ffc0c0; }
.space-page.theme-glass .folder-unlock-dialog {
  border-color: rgba(255, 255, 255, .55);
  background: rgba(255, 255, 255, var(--theme-glass-alpha));
  box-shadow: 0 8px 24px rgba(51, 73, 112, .18);
  backdrop-filter: blur(8px);
  color: #30415d;
}
.space-page.theme-glass .folder-unlock-dialog .legacy-dialog-title {
  border-color: rgba(255, 255, 255, .55);
  background: rgba(57, 79, 108, .82);
  color: #fff;
}
.space-page.theme-glass .folder-unlock-dialog .legacy-dialog-close { color: #e8f1ff; }
.space-page.theme-glass .folder-unlock-dialog .folder-unlock-input-row > input {
  border-color: rgba(110, 139, 180, .5);
  background: rgba(255, 255, 255, .92);
  color: #30415d;
}
.space-page.theme-glass .folder-unlock-dialog .legacy-button {
  border-color: rgba(57, 79, 108, .7);
  background: rgba(57, 79, 108, .9);
  color: #fff;
}
.space-page.theme-glass .folder-unlock-dialog .legacy-button:hover { background: rgba(44, 63, 88, .96); }
.space-page.theme-glass .folder-unlock-dialog .folder-unlock-error { color: #a42d2d; }

/* Square dialog treatment to match the compact site controls. */
.space-page .legacy-dialog,
.space-page .legacy-dialog-title,
.space-page .legacy-button { border-radius: 0; }
.space-page .legacy-dialog-title {
  min-height: 29px;
  padding: 3px 8px;
  font-size: 13px;
}
.space-page.theme-transparent .legacy-modal {
  background: rgba(0, 0, 0, .28);
}
.space-page.theme-transparent .legacy-dialog {
  border-color: rgba(180, 226, 226, .58);
  background: rgba(7, 16, 20, .9);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .4);
  color: #dbe9e8;
}
.space-page.theme-transparent .legacy-dialog-title {
  border-color: rgba(180, 226, 226, .4);
  background: rgba(18, 49, 54, .88);
  color: #fff;
}
.space-page.theme-transparent .legacy-dialog-close { color: #b8d1d0; }
.space-page.theme-transparent .create-kind-picker,
.space-page.theme-transparent .create-form {
  background: transparent;
}
.space-page.theme-transparent .create-kind-picker {
  border-color: rgba(180, 226, 226, .3);
}
.space-page.theme-transparent .create-kind-picker label,
.space-page.theme-transparent .create-form > label {
  color: #dbe9e8;
}
.space-page.theme-transparent .create-form > label > input,
.space-page.theme-transparent .create-form > label > textarea,
.space-page.theme-transparent .create-form > label > select {
  border-color: #b8c5bd;
  background: #f8faf7;
  color: #354039;
}
.space-page.theme-transparent .legacy-dialog-actions {
  border-color: rgba(180, 226, 226, .3);
}
.space-page.theme-transparent .legacy-button {
  border-color: #95a59d;
  background: linear-gradient(#f9fbf7, #dce3db);
  color: #354039;
}
.space-page.theme-transparent .legacy-button:hover {
  border-color: #c1eee8;
  background: #fff;
  color: #1e5c5b;
}
.space-page.theme-transparent .legacy-dialog-note { color: #b8cfca; }

.space-page .edit-modal,
.space-page .edit-modal input,
.space-page .edit-modal textarea,
.space-page .danger-button {
  border-radius: 0;
}
.space-page .edit-modal { padding: 15px 20px; }
.space-page .edit-modal h2 { margin-bottom: 12px; font-size: 16px; }
.space-page .edit-modal label { margin: 9px 0; }
.space-page .edit-modal input,
.space-page .edit-modal textarea { padding: 6px 8px; }
.space-page.theme-transparent .node-modal .modal-backdrop {
  background: rgba(0, 0, 0, .28);
}
.space-page.theme-transparent .edit-modal {
  border-color: rgba(180, 226, 226, .58);
  background: rgba(7, 16, 20, .9);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .4);
  color: #dbe9e8;
}
.space-page.theme-transparent .edit-modal h2,
.space-page.theme-transparent .edit-modal label {
  color: #dbe9e8;
}
.space-page.theme-transparent .edit-modal input,
.space-page.theme-transparent .edit-modal textarea {
  border-color: #b8c5bd;
  background: #f8faf7;
  color: #354039;
}
.space-page.theme-transparent .modal-close { color: #b8d1d0; }
.space-page.theme-transparent .modal-divider { border-color: rgba(180, 226, 226, .3); }
.space-page.theme-transparent .danger-button {
  border-color: #e49b9b;
  background: transparent;
  color: #ffc0c0 !important;
}
.space-page.theme-transparent .danger-button:hover { background: rgba(185, 63, 63, .25); }

@media (max-width: 620px) {
  .space-page {
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }
  .space-page .space-layout {
    display: block;
    flex: 0 0 auto;
    height: auto;
    padding: 7px 5px 0;
    overflow: visible;
  }
  .space-page .space-sidebar,
  .space-page .space-main {
    display: block;
    height: auto;
    min-height: 0;
    overflow: visible;
  }
  .space-page .space-sidebar { padding-right: 0; }
  .space-page .guestbook { flex: none; min-height: 248px; }
  .space-page .guestbook-list { display: block; overflow: visible; }
  .space-page .node-list { flex: none; min-height: 180px; overflow: visible; }
  .space-page .space-main { margin-top: 5px; min-height: 450px; }
}

.data-mode-picker {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 27px;
  margin: -1px 0 8px;
  padding: 2px 4px;
  border: 1px solid #888888;
  background: #f5f5f5;
  white-space: nowrap;
}
.data-mode-picker label {
  display: inline-flex !important;
  align-items: center;
  gap: 2px;
  margin: 0 !important;
  color: #444444 !important;
  cursor: pointer;
}
.data-mode-picker input { width: auto !important; margin: 0 !important; padding: 0 !important; }
.data-pane { min-height: 98px; }
.upload-form { text-align: center; }
.file-picker {
  display: block !important;
  margin: 0 0 7px !important;
  cursor: pointer;
  text-align: left;
}
.file-picker input {
  position: absolute;
  width: 1px !important;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.file-picker-name {
  display: block;
  overflow: hidden;
  padding: 4px 5px;
  border: 1px solid #b4c2b5;
  background: #fff;
  color: #7e8b80;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.upload-form .legacy-button { display: inline-block; }
.url-display-option {
  display: flex !important;
  align-items: center;
  gap: 2px;
  margin: 3px 0 6px !important;
}
.url-display-option input { width: auto !important; margin: 0 !important; }
.folder-mode-pane { text-align: center; }
.folder-mode-pane p { margin: 12px 0 14px; }

.legacy-button {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid #909691;
  border-radius: 2px;
  background: linear-gradient(#fff, #e7e9e4);
  color: #39413b;
  font: 12px/18px Arial, "宋体", "Microsoft YaHei", sans-serif;
  text-decoration: none;
  cursor: pointer;
}
.legacy-button:hover { border-color: #555555; background: #fafafa; color: #111111; text-decoration: none; }
.folder-tools { padding-top: 2px; text-align: center; }
.folder-tools p { margin: 5px 0 18px; color: #555555; }
.folder-open-button { padding-left: 13px; padding-right: 13px; }
.folder-sort-link { display: block; margin-top: 14px; color: #222222; text-decoration: none; }
.folder-sort-link:hover { text-decoration: underline; }

.legacy-modal[hidden] { display: none; }
.legacy-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: rgba(255, 255, 255, .08);
}
.legacy-dialog {
  width: 360px;
  max-width: calc(100vw - 6px);
  max-height: 100vh;
  overflow: auto;
  border: 1px solid #657b82;
  border-radius: 9px;
  background: #f2f2f2;
  box-shadow: 0 3px 9px rgba(0, 0, 0, .22);
  color: #333333;
}
.legacy-dialog-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 35px;
  padding: 4px 8px;
  border-bottom: 1px solid #aaaaaa;
  border-radius: 8px 8px 0 0;
  background: #dddddd;
  color: #222222;
  font-size: 16px;
}
.legacy-dialog-close {
  padding: 0 1px;
  border: 0;
  background: transparent;
  color: #76818a;
  font-size: 23px;
  line-height: 20px;
  cursor: pointer;
}
.create-kind-picker {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 7px 10px;
  border: 0;
  border-bottom: 1px solid #cccccc;
  background: #f5f5f5;
}
.create-kind-picker label {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin: 0;
  color: #333333;
  white-space: nowrap;
  cursor: pointer;
}
.create-kind-picker input { width: auto; margin: 0; }
.create-form { padding: 7px 10px 14px; }
.create-form > label {
  display: flex;
  align-items: center;
  gap: 3px;
  margin: 8px 4px;
  color: #354039;
  white-space: nowrap;
}
.create-form > label > input,
.create-form > label > textarea {
  min-width: 0;
  flex: 1 1 auto;
  padding: 2px 4px;
  border: 1px solid #aaaaaa;
  border-radius: 0;
  background: #fff;
  color: #444444;
  font: 12px/18px Arial, "宋体", "Microsoft YaHei", sans-serif;
}
.create-form > label > input { width: 184px; }
.create-form .create-content-label { align-items: flex-start; }
.create-form .create-content-label textarea { resize: vertical; }
.create-form > label > em { color: #b22b2b; font-style: normal; }
.upload-confirm-form { padding: 12px 10px 14px; }
.upload-target { margin: 0 0 12px; color: #555555; }
.upload-target strong { color: #222222; font-weight: 700; }
.upload-file-select { cursor: pointer; }
.upload-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.upload-file-info {
  margin: 12px 0;
  padding: 8px;
  border: 1px solid #c2c8c4;
  background: #fff;
  font-size: 12px;
}
.upload-file-info div { display: flex; gap: 8px; min-width: 0; margin: 3px 0; }
.upload-file-info dt { flex: 0 0 48px; color: #777777; }
.upload-file-info dd { min-width: 0; margin: 0; overflow: hidden; color: #333333; text-overflow: ellipsis; white-space: nowrap; }
.upload-error { margin: 8px 0 0; color: #ad3030; font-size: 12px; }
.folder-password-field[hidden] { display: none !important; }
.space-page .create-form > label.folder-public-option,
.space-page .folder-settings-form > label.folder-public-option,
.edit-modal .folder-public-option,
.admin-card .folder-public-option {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.space-page .create-form > label.folder-public-option > input[type="checkbox"],
.space-page .folder-settings-form > label.folder-public-option > input[type="checkbox"],
.edit-modal .folder-public-option > input[type="checkbox"],
.admin-card .folder-public-option > input[type="checkbox"] {
  width: auto;
  margin: 0;
  padding: 0;
}
.folder-settings-form { padding: 7px 10px 14px; }
.folder-settings-form > label {
  display: flex;
  align-items: center;
  gap: 3px;
  margin: 8px 4px;
  color: #333333;
  white-space: nowrap;
}
.folder-settings-form > label > input[type="text"],
.folder-settings-form > label > input:not([type]),
.folder-settings-form > label > select { flex: 0 1 auto; }
.folder-settings-form > label > input,
.folder-settings-form > label > select {
  min-width: 0;
  padding: 2px 4px;
  border: 1px solid #aaaaaa;
  border-radius: 0;
  background: #fff;
  color: #444444;
  font: 12px/18px Arial, "宋体", "Microsoft YaHei", sans-serif;
}
.folder-settings-form > label > input:not([type="checkbox"]) { width: 184px; }
.folder-settings-form > label > select { width: auto; }
.folder-settings-form > label > em { color: #b22b2b; font-style: normal; }
.legacy-dialog-note {
  margin: 9px 0 12px;
  color: #8c765b;
  text-align: center;
}
.legacy-dialog-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px solid #aaaaaa;
}
.legacy-dialog-actions .help-button { margin-right: 1px; border: 0; background: transparent; color: #444444; }
.admin-header nav form { display: inline; margin: 0; }
.admin-header nav button {
  padding: 0;
  border: 0;
  background: transparent;
  color: #e0f2ff;
  font: inherit;
  cursor: pointer;
}

.space-page .text-open-button,
.space-page .image-open-button {
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--space-link);
  font: inherit;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.space-page .text-open-button:hover,
.space-page .image-open-button:hover { color: #111111; text-decoration: underline; }

.text-viewer-modal[hidden] { display: none; }
.text-viewer-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.text-viewer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(37, 49, 68, .35);
}
.text-viewer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(680px, calc(100vw - 24px));
  height: min(520px, calc(100vh - 24px));
  min-height: 300px;
  overflow: visible;
  border: 1px solid #55708f;
  background: #eef1f4;
  box-shadow: 0 5px 22px rgba(20, 31, 45, .35);
}
.text-viewer-resize-handle,
.image-viewer-resize-handle {
  position: absolute;
  z-index: 4;
  display: block;
  touch-action: none;
}
.text-viewer-resize-n,
.text-viewer-resize-s,
.image-viewer-resize-n,
.image-viewer-resize-s {
  right: 12px;
  left: 12px;
  height: 9px;
}
.text-viewer-resize-n,
.image-viewer-resize-n { top: -5px; cursor: ns-resize; }
.text-viewer-resize-s,
.image-viewer-resize-s { bottom: -5px; cursor: ns-resize; }
.text-viewer-resize-e,
.text-viewer-resize-w,
.image-viewer-resize-e,
.image-viewer-resize-w {
  top: 12px;
  bottom: 12px;
  width: 9px;
}
.text-viewer-resize-e,
.image-viewer-resize-e { right: -5px; cursor: ew-resize; }
.text-viewer-resize-w,
.image-viewer-resize-w { left: -5px; cursor: ew-resize; }
.text-viewer-resize-ne,
.text-viewer-resize-sw,
.text-viewer-resize-se,
.text-viewer-resize-nw,
.image-viewer-resize-ne,
.image-viewer-resize-sw,
.image-viewer-resize-se,
.image-viewer-resize-nw {
  width: 14px;
  height: 14px;
}
.text-viewer-resize-ne,
.image-viewer-resize-ne { top: -5px; right: -5px; cursor: nesw-resize; }
.text-viewer-resize-sw,
.image-viewer-resize-sw { bottom: -5px; left: -5px; cursor: nesw-resize; }
.text-viewer-resize-se,
.image-viewer-resize-se { right: -5px; bottom: -5px; cursor: nwse-resize; }
.text-viewer-resize-nw,
.image-viewer-resize-nw { top: -5px; left: -5px; cursor: nwse-resize; }
body.text-viewer-resizing,
body.text-viewer-resizing *,
body.image-viewer-resizing,
body.image-viewer-resizing * { cursor: var(--text-viewer-resize-cursor) !important; user-select: none !important; }
body.text-viewer-moving,
body.text-viewer-moving *,
body.image-viewer-moving,
body.image-viewer-moving * { cursor: var(--text-viewer-move-cursor) !important; user-select: none !important; }
.text-viewer-header,
.image-viewer-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 35px;
  padding: 4px 9px 4px 12px;
  background: #3d6e9f;
  color: #fff;
  cursor: move;
  font-size: 14px;
  font-weight: 700;
  touch-action: none;
}
.text-viewer-close,
.image-viewer-close {
  width: 23px;
  height: 23px;
  padding: 0;
  border: 1px solid transparent;
  background: transparent;
  color: #eaf3fb;
  font-size: 22px;
  line-height: 18px;
  cursor: pointer;
}
.text-viewer-close:hover,
.image-viewer-close:hover {
  border-color: rgba(255, 255, 255, .65);
  background: rgba(0, 0, 0, .12);
}
.text-viewer form {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
}
.text-viewer-content,
#text-viewer-content {
  display: block;
  width: 100%;
  min-height: 0;
  flex: 1;
  resize: none;
  padding: 13px 14px;
  border: 0;
  border-bottom: 1px solid #c5cbd1;
  outline: 0;
  background: #f1f2f3;
  color: #4a525a;
  font: 13px/1.7 Arial, "Microsoft YaHei", sans-serif;
}
#text-viewer-content:focus { box-shadow: inset 0 0 0 1px #8caed0; }
#text-viewer-content[readonly] { cursor: text; }
.text-viewer-footer {
  display: flex;
  align-items: center;
  min-height: 48px;
  gap: 7px;
  padding: 7px 10px;
  background: #f8f9fa;
}
.text-edit-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-right: auto;
  color: #4a5864;
  white-space: nowrap;
  cursor: pointer;
}
.text-edit-toggle input { width: auto; margin: 0; }
.text-viewer-footer .legacy-button { min-width: 54px; padding: 3px 10px; }

.image-viewer-modal[hidden] { display: none; }
.image-viewer-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.image-viewer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(37, 49, 68, .35);
}
.image-viewer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(900px, calc(100vw - 24px));
  height: min(720px, calc(100vh - 24px));
  min-height: 180px;
  overflow: hidden;
  border: 1px solid #55708f;
  background: #eef1f4;
  box-shadow: 0 5px 22px rgba(20, 31, 45, .35);
}
.image-viewer-content {
  display: flex;
  min-height: 0;
  flex: 1;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 16px;
  background: #252d35;
}
.image-viewer-content img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

@media (max-width: 620px) {
  .text-viewer-modal { padding: 6px; }
  .text-viewer {
    width: calc(100vw - 12px);
    height: calc(100vh - 12px);
    min-height: 260px;
  }
  .text-viewer-footer { min-height: 46px; padding: 6px 8px; }
  .image-viewer-modal { padding: 6px; }
  .image-viewer {
    width: calc(100vw - 12px);
    height: calc(100vh - 12px);
  }
  .image-viewer-content { padding: 8px; }
}

/* Animated list text decorations selected from the admin theme settings. */
@keyframes yspace-list-shimmer {
  0% { background-position: 220% 50%; }
  100% { background-position: -40% 50%; }
}
@keyframes yspace-list-rainbow {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}
@keyframes yspace-list-neon {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.35); }
}
.space-page.text-effect-shimmer .node-title,
.space-page.text-effect-shimmer .folder-link,
.space-page.text-effect-shimmer .text-open-button {
  color: transparent;
  background-color: transparent;
  background-image: linear-gradient(110deg, var(--theme-accent) 0%, var(--theme-accent) 35%, #ffffff 49%, var(--theme-accent) 63%, var(--theme-accent) 100%);
  background-position: 100% 50%;
  background-repeat: no-repeat;
  background-size: 240% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  -webkit-text-stroke: 0 transparent;
  animation: yspace-list-shimmer 2.8s linear infinite;
}
.space-page.text-effect-rainbow .node-title,
.space-page.text-effect-rainbow .folder-link,
.space-page.text-effect-rainbow .text-open-button {
  color: transparent;
  background-color: transparent;
  background-image: linear-gradient(90deg, #ff3b30, #ff9500, #ffcc00, #34c759, #00c7be, #0a84ff, #af52de, #ff2d55, #ff3b30);
  background-position: 0% 50%;
  background-repeat: no-repeat;
  background-size: 400% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  -webkit-text-stroke: 0 transparent;
  animation: yspace-list-rainbow 7s linear infinite;
}
.space-page.text-effect-neon .node-title,
.space-page.text-effect-neon .folder-link,
.space-page.text-effect-neon .text-open-button {
  color: var(--theme-accent);
  background: transparent;
  -webkit-text-fill-color: var(--theme-accent);
  text-shadow: var(--theme-text-shadow);
  -webkit-text-stroke: 0 transparent;
  animation: yspace-list-neon 1.45s ease-in-out infinite;
}
@media (prefers-reduced-motion: reduce) {
  .space-page.text-effect-shimmer .node-title,
  .space-page.text-effect-shimmer .folder-link,
  .space-page.text-effect-shimmer .text-open-button,
  .space-page.text-effect-rainbow .node-title,
  .space-page.text-effect-rainbow .folder-link,
  .space-page.text-effect-rainbow .text-open-button,
  .space-page.text-effect-neon .node-title,
  .space-page.text-effect-neon .folder-link,
  .space-page.text-effect-neon .text-open-button { animation: none; }
}