:root {
  color-scheme: dark;
  --bg: #080808;
  --panel: rgba(15, 15, 15, .88);
  --panel-2: rgba(43, 43, 43, .82);
  --line: rgba(255, 255, 255, .14);
  --text: #f2f2f2;
  --muted: #a3a3a3;
  --soft: #d0d0d0;
  --radius: 6px;
}

* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; background: var(--bg); }
body { position: relative; isolation: isolate; margin: 0; min-height: 100vh; background: transparent; color: var(--text); font-family: Inter, ui-sans-serif, system-ui, "PingFang SC", "Microsoft YaHei", sans-serif; }
body::before { content: ""; position: fixed; z-index: -1; inset: 0; background-color: var(--bg); background-image: linear-gradient(rgba(5,5,5,.68), rgba(5,5,5,.84)), url('/mountain-background.jpg'); background-position: center; background-size: cover; background-repeat: no-repeat; pointer-events: none; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.admin-header { width: min(1680px, calc(100% - 32px)); height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin: 0 auto; padding: 0 18px; border-bottom: 1px solid var(--line); border-radius: var(--radius); background: rgba(8,8,8,.58); backdrop-filter: blur(14px); }
.admin-brand { font-weight: 720; letter-spacing: -.02em; }
.admin-header nav { display: flex; gap: 28px; color: var(--muted); font-size: 14px; }
.admin-header nav a:hover, .admin-header nav .active { color: var(--text); }
.quiet-button { padding: 8px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel-2); color: var(--soft); }
.quiet-button:hover { border-color: #777; }

.panel-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: 0 12px 34px rgba(0,0,0,.3); backdrop-filter: blur(14px); }
.kicker { margin: 0 0 10px; color: #b8b8b8; font: 650 10px ui-monospace, monospace; letter-spacing: .13em; }
.empty-copy { margin: 0; color: #777; font-size: 13px; line-height: 1.7; }

.dashboard-shell { width: min(1180px, calc(100% - 32px)); display: grid; gap: 22px; margin: 38px auto 72px; }
.dashboard-hero { padding: 52px 54px; }
.dashboard-hero h1, .writer-intro h1 { margin: 0; font-size: clamp(38px, 5vw, 62px); line-height: 1.08; letter-spacing: -.045em; }
.dashboard-hero > p:last-child, .writer-intro > p:last-child { max-width: 650px; margin: 18px 0 0; color: var(--muted); line-height: 1.8; }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.summary-card { display: grid; gap: 12px; padding: 26px 30px; }
.summary-card span { color: var(--muted); font-size: 12px; }
.summary-card strong { font-size: 34px; }
.chart-card { padding: 32px; }
.card-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.card-heading h2 { margin: 0; font-size: 25px; }
.card-heading > a { color: var(--muted); font-size: 12px; }
.card-heading > a:hover { color: var(--text); }
.views-chart { display: grid; gap: 10px; }
.chart-row { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(180px, 2fr) 100px; gap: 22px; align-items: center; min-height: 70px; padding: 12px 0; border-top: 1px solid var(--line); }
.chart-row:hover .chart-label strong { color: #fff; }
.chart-label, .chart-values { display: grid; gap: 5px; }
.chart-label strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.chart-label span, .chart-values span { color: var(--muted); font-size: 10px; }
.chart-values { text-align: right; }
.chart-values strong { font-size: 12px; }
.chart-row progress { width: 100%; height: 12px; border: 0; border-radius: 2px; background: #252525; overflow: hidden; }
.chart-row progress::-webkit-progress-bar { background: #252525; }
.chart-row progress::-webkit-progress-value { background: #d9d9d9; }
.chart-row progress::-moz-progress-bar { background: #d9d9d9; }
.writer-entry { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 34px 38px; transition: border-color 160ms ease, background-color 160ms ease; }
.writer-entry:hover { border-color: rgba(255,255,255,.34); background: rgba(26,26,26,.92); }
.writer-entry h2 { margin: 0 0 8px; font-size: 24px; }
.writer-entry p:last-child { margin: 0; color: var(--muted); font-size: 13px; }
.writer-entry > span { color: var(--muted); }

.writer-layout { width: min(1680px, calc(100% - 32px)); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 900px) minmax(0, 1fr); gap: 28px; align-items: start; margin: 38px auto 72px; }
.writer-shell { width: 100%; display: grid; gap: 18px; }
.writer-balance { min-width: 0; }
.document-sidebar { position: sticky; top: 18px; max-height: calc(100vh - 36px); padding: 22px 16px 16px; }
.sidebar-heading { display: flex; align-items: end; justify-content: space-between; gap: 12px; padding: 0 6px; }
.sidebar-heading h2 { margin: 0; font-size: 21px; }
.sidebar-tip { margin: 11px 6px 18px; color: #747474; font-size: 10px; }
.writer-intro { padding: 42px 44px; }
.upload-card { padding: 24px; }
.file-drop { min-height: 180px; display: grid; place-content: center; gap: 9px; border: 1px dashed #555; border-radius: 5px; background: rgba(8,8,8,.48); text-align: center; cursor: pointer; transition: border-color 160ms ease, background-color 160ms ease; }
.file-drop:hover, .file-drop.drag-active { border-color: #aaa; background: rgba(35,35,35,.72); }
.file-drop.has-file { border-style: solid; border-color: #777; }
.file-drop input { display: none; }
.file-drop strong { font-size: 17px; }
.file-drop span { color: var(--muted); font-size: 12px; }
.file-state { display: flex; justify-content: space-between; gap: 20px; margin-top: 14px; color: var(--muted); font-size: 11px; }
.file-state strong { color: var(--soft); }
.meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 28px; }
.meta-grid label { display: grid; gap: 8px; color: var(--muted); font-size: 12px; }
.meta-grid .wide { grid-column: 1 / -1; }
input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 4px; background: rgba(8,8,8,.76); color: var(--text); outline: none; }
input, select { height: 44px; padding: 0 13px; }
textarea { resize: vertical; padding: 12px 13px; line-height: 1.65; }
input:focus, textarea:focus, select:focus { border-color: #777; box-shadow: inset 0 0 0 1px #555; }
.tag-section { position: relative; z-index: 40; overflow: visible; padding: 24px 28px; }
.section-label { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.section-label > span { color: var(--muted); font: 650 10px ui-monospace, monospace; letter-spacing: .12em; }
.section-label small { color: var(--muted); font-size: 11px; }
.tag-picker { position: relative; margin-top: 14px; }
.tag-trigger { width: 100%; min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 0 14px; border: 1px solid var(--line); border-radius: 4px; background: rgba(8,8,8,.76); color: var(--text); text-align: left; }
.tag-trigger:hover, .tag-trigger[aria-expanded="true"] { border-color: #777; }
.tag-trigger span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--soft); }
.tag-trigger strong { min-width: 25px; padding: 4px 7px; border-radius: 3px; background: var(--panel-2); color: var(--muted); font-size: 10px; text-align: center; }
.tag-popover { position: absolute; z-index: 60; top: calc(100% + 8px); left: 0; right: 0; max-height: min(430px, calc(100vh - 32px)); overflow-y: auto; padding: 17px; border: 1px solid #535353; border-radius: 5px; background: rgba(13,13,13,.98); box-shadow: 0 22px 55px rgba(0,0,0,.58); backdrop-filter: blur(18px); }
.tag-popover.open-upward { top: auto; bottom: calc(100% + 8px); }
.tag-popover[hidden] { display: none; }
.popover-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.popover-heading strong { font-size: 13px; }
.popover-heading button { width: 28px; height: 28px; border: 0; border-radius: 3px; background: transparent; color: var(--muted); font-size: 20px; line-height: 1; }
.popover-heading button:hover { background: var(--panel-2); color: var(--text); }
.tag-options { display: flex; flex-wrap: wrap; gap: 8px; max-height: 220px; overflow: auto; }
.tag-chip { padding: 7px 10px; border: 1px solid var(--line); border-radius: 4px; background: rgba(8,8,8,.72); color: var(--muted); font-size: 12px; }
.tag-chip:hover { border-color: #777; color: var(--text); }
.tag-chip.selected { border-color: #aaa; background: #ececec; color: #111; }
.custom-tag-row { display: grid; grid-template-columns: minmax(0, 280px) auto; gap: 8px; margin-top: 14px; }
.custom-tag-row button { padding: 8px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel-2); color: var(--text); }
.actionbar { position: sticky; bottom: 12px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 18px; }
.actionbar p { margin: 0; color: var(--muted); font-size: 12px; }
.actionbar div { display: flex; gap: 9px; }
.actionbar button { min-width: 105px; padding: 11px 15px; border: 1px solid var(--line); border-radius: 4px; font-weight: 700; }
.actionbar .secondary { background: var(--panel-2); color: var(--text); }
.actionbar .danger { border-color: #553232; background: #211313; color: #d5a0a0; }
.actionbar .primary { background: #ededed; color: #111; }
.actionbar button:disabled { opacity: .42; cursor: not-allowed; }
.document-list { display: grid; gap: 7px; max-height: calc(100vh - 150px); overflow-y: auto; padding-right: 3px; }
.document-item { position: relative; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 7px 10px; align-items: center; width: 100%; padding: 13px 12px; border: 1px solid transparent; border-radius: 5px; background: rgba(8,8,8,.62); color: var(--text); text-align: left; }
.document-item:hover, .document-item.active { border-color: #646464; background: rgba(31,31,31,.86); }
.document-item strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.document-item span { grid-column: 1; color: var(--muted); font-size: 10px; }
.document-item small { padding: 4px 7px; background: var(--panel-2); color: var(--soft); font-size: 9px; }
.document-item small { grid-column: 2; grid-row: 1 / span 2; align-self: center; }

.context-menu { position: fixed; z-index: 90; width: 150px; display: grid; padding: 6px; overflow: visible; }
.context-menu[hidden] { display: none; }
.context-menu button { width: 100%; padding: 10px 12px; border: 0; border-radius: 3px; background: transparent; color: var(--soft); text-align: left; font-size: 12px; }
.context-menu button:hover, .context-menu button:focus { background: var(--panel-2); color: var(--text); outline: none; }
.context-menu .danger-item { color: #d5a0a0; }
.context-menu .danger-item:hover, .context-menu .danger-item:focus { background: #291717; color: #efb5b5; }

.rename-dialog { width: min(430px, calc(100% - 32px)); padding: 0; color: var(--text); }
.rename-dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(4px); }
.rename-dialog form { display: grid; gap: 18px; padding: 30px; }
.rename-dialog h2 { margin: -4px 0 0; font-size: 25px; }
.rename-dialog label { display: grid; gap: 8px; color: var(--muted); font-size: 12px; }
.rename-dialog form > p:not(.kicker) { margin: -7px 0 0; color: #777; font-size: 11px; }
.rename-dialog form > div { display: flex; justify-content: flex-end; gap: 9px; }
.primary-dialog-button { padding: 9px 14px; border: 1px solid #eee; border-radius: 4px; background: #ededed; color: #111; font-weight: 700; }
.primary-dialog-button:disabled { opacity: .45; cursor: wait; }

.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(420px, 100%); display: grid; gap: 18px; padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: 0 24px 70px rgba(0,0,0,.46); backdrop-filter: blur(16px); }
.login-kicker { margin: 0; color: var(--muted); font: 650 10px ui-monospace, monospace; letter-spacing: .14em; }
.login-card h1 { margin: 0; font-size: 30px; }
.login-copy { margin: -8px 0 4px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.login-card label { display: grid; gap: 8px; color: var(--soft); font-size: 12px; }
.login-status { min-height: 20px; margin: 0; color: #c7c7c7; font-size: 12px; }
.login-submit { min-height: 44px; border: 1px solid #e8e8e8; border-radius: 4px; background: #ededed; color: #111; font-weight: 750; }
.login-submit:disabled { opacity: .55; cursor: wait; }

.admin-footer { width: min(1180px, calc(100% - 32px)); min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin: 0 auto; border-top: 1px solid var(--line); color: #7d7d7d; font-size: 12px; }

@media (max-width: 760px) {
  .admin-header { height: auto; min-height: 74px; flex-wrap: wrap; padding: 16px; }
  .admin-header nav { order: 3; width: 100%; justify-content: space-between; gap: 12px; }
  .dashboard-hero, .writer-intro { padding: 36px 28px; }
  .summary-grid { grid-template-columns: 1fr; }
  .chart-card { padding: 24px; }
  .chart-row { grid-template-columns: 1fr 74px; gap: 12px; }
  .chart-row progress { grid-column: 1 / -1; grid-row: 2; }
  .meta-grid { grid-template-columns: 1fr; padding: 22px; }
  .meta-grid .wide { grid-column: auto; }
  .actionbar { align-items: stretch; flex-direction: column; }
  .actionbar div { display: grid; grid-template-columns: 1fr 1fr; }
  .actionbar button { width: 100%; }
}

@media (max-width: 1320px) {
  .writer-layout { grid-template-columns: 1fr; width: min(900px, calc(100% - 32px)); }
  .writer-balance { display: none; }
  .document-sidebar { position: static; max-height: none; }
  .document-list { grid-template-columns: repeat(2, minmax(0, 1fr)); max-height: 310px; }
}

@media (max-width: 480px) {
  .admin-header nav a:last-child { display: none; }
  .dashboard-shell, .writer-layout { width: min(100% - 24px, 900px); }
  .document-list { grid-template-columns: 1fr; }
  .custom-tag-row { grid-template-columns: 1fr auto; }
  .actionbar div { grid-template-columns: 1fr; }
  .writer-entry { align-items: flex-start; }
}