/*
 * Admin: the same brand as the app (ink lines, Onest/Unbounded, bright accents), but
 * desktop-first and dense — numbers line up in tables, color is reserved for status.
 * Everything here is scoped under body.admin, so the public pages are untouched.
 *
 * This file sorts before application.css, so it repeats the layer order (kept in sync).
 */
@layer reset, base, layout, components, screens, admin, utilities;

@layer admin {
  .admin {
    --admin-nav-width: 232px;
    --admin-gap: 20px;
    --admin-radius: 14px;
    --hairline: 1px solid var(--color-line);
    --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

    /* Status palette: background + ink, each paired so text stays readable. */
    --status-ok: var(--color-mint);
    --status-busy: var(--color-lilac);
    --status-wait: var(--color-soft);
    --status-warn: var(--color-yellow);
    --status-fail: #ffc9b8;

    /* Cost series: one color per provider, everywhere (charts, legends, tables). */
    --series-speech: var(--color-blue);
    --series-llm: var(--color-orange);
    --series-storage: var(--color-mint);
    --series-other: var(--color-lilac);

    background: var(--color-soft);
    font-size: 14px;
    line-height: 1.45;

    /* ----------------------------------------------------------------------- Shell */

    .admin-shell {
      display: grid;
      grid-template-columns: var(--admin-nav-width) minmax(0, 1fr);
      min-height: 100dvh;
    }

    .admin-nav {
      position: sticky;
      top: 0;
      display: flex;
      flex-direction: column;
      gap: 24px;
      height: 100dvh;
      padding: 20px 14px;
      background: var(--color-ink);
      color: var(--color-paper);
      overflow-y: auto;
    }

    .admin-topbar {
      position: sticky;
      top: 0;
      z-index: 30;
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 16px;
      background: var(--color-ink);
      color: var(--color-paper);
    }

    .admin-topbar__menu {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 40px;
      padding: 0 14px;
      background: var(--color-yellow);
      border: 2px solid var(--color-paper);
      border-radius: 10px;
      color: var(--color-ink);
      font-weight: 700;
    }

    .admin-nav__top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }

    .admin-nav__close {
      display: none;
      place-items: center;
      width: 40px;
      height: 40px;
      padding: 0;
      background: none;
      border: 2px solid #444;
      border-radius: 10px;
      color: var(--color-paper);
    }

    .admin-backdrop {
      position: fixed;
      inset: 0;
      z-index: 35;
      display: none;
      background: rgb(17 17 17 / 0.45);
    }

    .admin-nav__brand {
      display: flex;
      align-items: center;
      gap: 8px;
      min-height: 40px;
      padding-inline: 10px;
      font-family: var(--font-display);
      font-size: 17px;
      font-weight: 800;
      white-space: nowrap;

      .logo__dot { border-color: var(--color-paper); }
    }

    .admin-nav__tag {
      margin-left: 4px;
      padding: 1px 7px;
      background: var(--color-yellow);
      border-radius: 6px;
      color: var(--color-ink);
      font-family: var(--font-body);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .admin-nav__group {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .admin-nav__label {
      padding: 0 10px 6px;
      color: #8a8a8a;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .admin-nav__link {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 42px;
      padding: 0 10px;
      border: 2px solid transparent;
      border-radius: 10px;
      color: #d6d6d6;
      font-weight: 600;

      svg { flex-shrink: 0; opacity: 0.8; }

      &:hover { background: #262626; color: var(--color-paper); }

      &[aria-current="page"] {
        background: var(--color-yellow);
        border-color: var(--color-paper);
        color: var(--color-ink);

        svg { opacity: 1; }
      }
    }

    .admin-nav__count {
      margin-left: auto;
      padding: 0 7px;
      background: var(--color-orange);
      border-radius: 9px;
      color: var(--color-ink);
      font-size: 12px;
      font-weight: 700;
    }

    .admin-nav__footer {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-top: auto;
      padding: 12px 10px 0;
      border-top: 1px solid #333;
      color: #8a8a8a;
      font-size: 13px;

      a { color: #d6d6d6; text-decoration: underline; text-underline-offset: 3px; }
    }

    .admin-main {
      display: flex;
      flex-direction: column;
      gap: var(--admin-gap);
      min-width: 0;
      padding: 24px 32px 48px;
    }

    .admin-header {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      justify-content: space-between;
      gap: 12px 20px;
    }

    .admin-header__titles {
      display: flex;
      flex-direction: column;
      gap: 6px;
      min-width: 0;
    }

    .admin-title {
      font-size: 26px;
      overflow-wrap: anywhere;

      .mono { font-size: 0.85em; font-weight: 700; }
    }

    .admin-header__actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
    }

    .crumbs {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 600;

      a:hover { color: var(--color-ink); text-decoration: underline; }
      li + li::before { content: "/"; margin-right: 6px; color: var(--color-line); }
    }

    .admin-flash {
      padding: 10px 14px;
      border: var(--border);
      border-radius: 12px;
      font-weight: 600;

      &.admin-flash--notice { background: var(--color-mint); }
      &.admin-flash--alert { background: var(--color-alert); }
    }

    /* Grids for laying out panels on a page. */
    .admin-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
      gap: var(--admin-gap);
      align-items: start;

      &.admin-grid--main-side { grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); }
    }

    /* ----------------------------------------------------------------------- Panels */

    .panel {
      min-width: 0;
      background: var(--color-paper);
      border: var(--border);
      border-radius: var(--admin-radius);
    }

    .panel__head {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 8px 12px;
      padding: 14px 18px;
      border-bottom: var(--hairline);
    }

    .panel__title {
      font-family: var(--font-display);
      font-size: 15px;
      font-weight: 700;
    }

    .panel__note {
      color: var(--color-muted);
      font-size: 13px;
    }

    .panel__body { padding: 18px; }

    .panel__foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 18px;
      border-top: var(--hairline);
      color: var(--color-muted);
      font-size: 13px;
    }

    /* ---------------------------------------------------------------------- Metrics */

    .metrics {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
      gap: 12px;
    }

    .metric {
      display: flex;
      flex-direction: column;
      gap: 4px;
      min-width: 0;
      padding: 14px 16px 16px;
      background: var(--color-paper);
      border: var(--border);
      border-top-width: 8px;
      border-radius: var(--admin-radius);

      &.metric--speech { border-top-color: var(--series-speech); }
      &.metric--llm { border-top-color: var(--series-llm); }
      &.metric--ok { border-top-color: var(--color-mint); }
      &.metric--warn { border-top-color: var(--color-yellow); }
      &.metric--fail { border-top-color: var(--color-danger); }
      &.metric--accent { border-top-color: var(--color-lilac); }
    }

    .metric__label {
      color: var(--color-muted);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    .metric__value {
      font-family: var(--font-display);
      font-size: 26px;
      font-weight: 700;
      font-variant-numeric: tabular-nums;
      line-height: 1.15;
      white-space: nowrap;
    }

    .metric__unit {
      margin-left: 2px;
      color: var(--color-muted);
      font-family: var(--font-body);
      font-size: 15px;
      font-weight: 600;
    }

    .metric__note {
      color: var(--color-muted);
      font-size: 13px;
    }

    .delta {
      font-weight: 700;
      font-variant-numeric: tabular-nums;

      &.delta--up { color: #0f7a4f; }
      &.delta--down { color: var(--color-danger); }
    }

    /* ------------------------------------------------------------------------ Tables */

    .table-scroll {
      overflow-x: auto;
      border-radius: inherit;
    }

    .data-table {
      width: 100%;
      border-collapse: collapse;
      font-variant-numeric: tabular-nums;

      th, td {
        padding: 9px 12px;
        text-align: left;
        vertical-align: middle;
        white-space: nowrap;

        &:first-child { padding-left: 18px; }
        &:last-child { padding-right: 18px; }
      }

      th {
        position: sticky;
        top: 0;
        background: var(--color-paper);
        border-bottom: var(--border);
        color: var(--color-muted);
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 0.04em;
        text-transform: uppercase;
      }

      td { border-bottom: var(--hairline); }
      tbody tr:last-child td { border-bottom: 0; }
      tbody tr:hover td { background: #fafaf7; }

      tfoot td {
        border-top: var(--border);
        border-bottom: 0;
        font-weight: 700;
      }

      .num { text-align: right; }
      .cell-wrap { white-space: normal; min-width: 200px; }
      .actions { width: 1%; text-align: right; }
      .is-faded td { color: var(--color-muted); }

      a.row-link {
        font-weight: 600;

        &:hover { text-decoration: underline; text-underline-offset: 3px; }
      }

      &.data-table--log td {
        padding-block: 6px;
        font-size: 13px;
      }
    }

    .cell-stack {
      display: flex;
      flex-direction: column;
      line-height: 1.3;

      small { color: var(--color-muted); font-size: 12px; }
    }

    .cell-inline {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* Whether the person typed a code; the date is in the title. */
    .confirm-mark {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      color: var(--color-muted);
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
      cursor: help;

      svg {
        flex: none;
        width: 16px;
        height: 16px;
        padding: 2px;
        border: 1.5px dashed var(--color-line);
        border-radius: 50%;
      }

      &.confirm-mark--ok { color: var(--color-ink); }
      &.confirm-mark--ok svg { background: var(--status-ok); border: 1.5px solid var(--color-ink); }
    }

    /* ------------------------------------------------------------------------ Badges */

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 2px 9px 2px 7px;
      background: var(--status-wait);
      border: 1.5px solid var(--color-ink);
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
      line-height: 1.4;
      white-space: nowrap;

      &::before {
        content: "";
        width: 7px;
        height: 7px;
        background: var(--color-ink);
        border-radius: 50%;
      }

      &.badge--ok { background: var(--status-ok); }
      &.badge--busy { background: var(--status-busy); }
      &.badge--busy::before { animation: admin-pulse 1.2s ease-in-out infinite; }
      &.badge--warn { background: var(--status-warn); }
      &.badge--fail { background: var(--status-fail); }
      &.badge--fail::before { background: var(--color-danger); }
      &.badge--off { background: var(--color-paper); border-color: var(--color-line); color: var(--color-muted); }
      &.badge--off::before { background: var(--color-line); }

      /* Without the dot: plans, providers, kinds. */
      &.badge--plain { padding-left: 9px; }
      &.badge--plain::before { display: none; }
      &.badge--speech { background: var(--series-speech); color: var(--color-paper); }
      &.badge--llm { background: var(--series-llm); }
      &.badge--payments { background: var(--color-pink); }
    }

    @keyframes admin-pulse {
      50% { opacity: 0.25; }
    }

    .http {
      display: inline-block;
      min-width: 38px;
      padding: 0 6px;
      border-radius: 6px;
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 700;
      text-align: center;

      &.http--2 { background: var(--status-ok); }
      &.http--4 { background: var(--status-warn); }
      &.http--5, &.http--err { background: var(--color-danger); color: var(--color-paper); }
    }

    .reason {
      color: var(--color-danger);
      font-family: var(--font-mono);
      font-size: 12px;
    }

    .uid {
      display: inline-block;
      padding: 0 6px;
      background: var(--color-soft);
      border-radius: 6px;
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--color-muted);
    }

    .mono { font-family: var(--font-mono); font-size: 13px; }

    /* ---------------------------------------------------------------- Toolbar, forms */

    .toolbar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px 10px;
    }

    .toolbar__spacer { flex-grow: 1; }
    .toolbar__search { display: flex; }

    /* button_to wraps each button in a form; keep it inline. */
    .button_to { display: inline-flex; }

    .segmented {
      display: inline-flex;
      max-width: 100%;
      overflow-x: auto;
      padding: 2px;
      background: var(--color-paper);
      border: var(--border);
      border-radius: 10px;

      a, button {
        padding: 5px 12px;
        background: none;
        border: 0;
        border-radius: 7px;
        font-size: 13px;
        font-weight: 600;
        white-space: nowrap;
      }

      a:hover, button:hover { background: var(--color-soft); }
      [aria-current], [aria-pressed="true"] { background: var(--color-ink); color: var(--color-paper); }
      [aria-current]:hover, [aria-pressed="true"]:hover { background: var(--color-ink); }
    }

    .input, .select {
      height: 36px;
      padding: 0 12px;
      background: var(--color-paper);
      border: var(--border);
      border-radius: 10px;
      font-size: 14px;
    }

    .input--search {
      min-width: 240px;
      padding-left: 34px;
      background: var(--color-paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235b5b5b' stroke-width='2.2' stroke-linecap='round' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-4-4'/%3E%3C/svg%3E") no-repeat 11px center;
    }

    .select {
      padding-right: 32px;
      appearance: none;
      background: var(--color-paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%23111' stroke-width='2.5' stroke-linecap='round' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 11px center;
    }

    /* Compact buttons; the app's .btn is sized for thumbs. */
    .btn.btn--admin {
      gap: 6px;
      min-height: 36px;
      padding: 0 14px;
      border-radius: 10px;
      font-size: 14px;
    }

    .btn.btn--admin.btn--primary { box-shadow: 0 3px 0 var(--color-ink); }

    .btn.btn--tiny {
      gap: 4px;
      min-height: 28px;
      padding: 0 10px;
      border-width: 1.5px;
      border-radius: 8px;
      font-size: 13px;
    }

    .btn.btn--danger { background: var(--color-alert); color: var(--color-danger); }

    .pager {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;

      a, span { padding: 3px 10px; border: 1.5px solid var(--color-ink); border-radius: 8px; font-weight: 600; color: var(--color-ink); }
      span { border-color: var(--color-line); color: var(--color-muted); }
    }

    /* ------------------------------------------------------------ Facts, code, notes */

    .facts {
      display: grid;
      grid-template-columns: max-content minmax(0, 1fr);
      gap: 8px 18px;

      dt { color: var(--color-muted); font-weight: 600; }
      dd { overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
    }

    .code {
      margin: 0;
      padding: 14px 16px;
      background: var(--color-ink);
      border-radius: 10px;
      color: #e8e8e3;
      font-family: var(--font-mono);
      font-size: 12.5px;
      line-height: 1.6;
      overflow-x: auto;
      white-space: pre;

      .k { color: var(--color-lilac); }
      .s { color: var(--color-mint); }
      .n { color: var(--color-yellow); }
      .redacted { color: var(--color-ink); background: #8a8a8a; border-radius: 3px; padding: 0 4px; }
    }

    .callout {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 12px 16px;
      background: var(--color-lilac-soft);
      border: var(--border);
      border-radius: 12px;

      svg { flex-shrink: 0; margin-top: 1px; }
      &.callout--warn { background: #fff6c7; }
    }

    .blank-state {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      padding: 40px 20px;
      color: var(--color-muted);
      text-align: center;

      strong { color: var(--color-ink); font-size: 15px; }
    }

    /* ------------------------------------------------------------------------ Charts */

    /* Stacked columns: each .bars__col holds segments whose --v is a share of the max. */
    .bars {
      display: grid;
      grid-auto-columns: minmax(6px, 1fr);
      grid-auto-flow: column;
      align-items: end;
      gap: 4px;
      height: 180px;
      padding-bottom: 2px;
      border-bottom: var(--border);
      background: repeating-linear-gradient(to top, transparent 0 44px, var(--color-line) 44px 45px);
    }

    .bars__col {
      display: flex;
      flex-direction: column-reverse;
      height: 100%;
      justify-content: flex-start;
      border-radius: 4px 4px 0 0;
      overflow: hidden;

      &:hover { outline: 2px solid var(--color-ink); outline-offset: 1px; }
    }

    .bars__seg {
      flex-shrink: 0;
      height: calc(var(--v) * 1%);
      background: var(--series-other);

      &.bars__seg--speech { background: var(--series-speech); }
      &.bars__seg--llm { background: var(--series-llm); }
      &.bars__seg--storage { background: var(--series-storage); }
    }

    .bars-axis {
      display: flex;
      justify-content: space-between;
      margin-top: 6px;
      color: var(--color-muted);
      font-size: 12px;
      font-variant-numeric: tabular-nums;
    }

    .legend {
      display: flex;
      flex-wrap: wrap;
      gap: 6px 16px;
      font-size: 13px;
      font-weight: 600;

      li { display: inline-flex; align-items: center; gap: 6px; }
    }

    .swatch {
      display: inline-block;
      width: 12px;
      height: 12px;
      background: var(--series-other);
      border: 1.5px solid var(--color-ink);
      border-radius: 3px;

      &.swatch--speech { background: var(--series-speech); }
      &.swatch--llm { background: var(--series-llm); }
      &.swatch--storage { background: var(--series-storage); }
    }

    /* A horizontal share bar, e.g. how many notes failed. */
    .share {
      display: flex;
      height: 10px;
      background: var(--color-soft);
      border: 1.5px solid var(--color-ink);
      border-radius: 6px;
      overflow: hidden;

      span { height: 100%; width: calc(var(--v) * 1%); }
      .share__ok { background: var(--color-mint); }
      .share__busy { background: var(--color-lilac); }
      .share__fail { background: var(--color-danger); }
      .share__warn { background: var(--status-warn); }
      .share__speech { background: var(--series-speech); }
      .share__llm { background: var(--series-llm); }
    }

    .share-row {
      display: grid;
      grid-template-columns: 140px minmax(0, 1fr) 72px;
      align-items: center;
      gap: 12px;
      font-variant-numeric: tabular-nums;

      & + & { margin-top: 10px; }
      > :last-child { text-align: right; font-weight: 700; }
    }

    /* ---------------------------------------------------------------------- Timeline */

    .timeline {
      display: flex;
      flex-direction: column;

      li {
        position: relative;
        display: grid;
        grid-template-columns: 16px minmax(0, 1fr) auto;
        gap: 12px;
        padding-bottom: 14px;

        &::before {
          content: "";
          width: 12px;
          height: 12px;
          margin-top: 4px;
          background: var(--color-paper);
          border: 2px solid var(--color-ink);
          border-radius: 50%;
        }

        &:not(:last-child)::after {
          content: "";
          position: absolute;
          top: 18px;
          bottom: 0;
          left: 6px;
          width: 2px;
          background: var(--color-line);
        }

        &.is-ok::before { background: var(--color-mint); }
        &.is-fail::before { background: var(--color-danger); }
      }

      time { color: var(--color-muted); font-size: 13px; font-variant-numeric: tabular-nums; }
    }

    /* ------------------------------------------------------------- Design reference */

    .swatches {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
      gap: 12px;
    }

    .swatch-card {
      overflow: hidden;
      border: var(--border);
      border-radius: 10px;
      font-size: 12px;

      div { height: 56px; border-bottom: var(--border); }
      p { padding: 6px 8px; }
      code { color: var(--color-muted); font-family: var(--font-mono); }
    }

    .specimen {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;

      & + & { margin-top: 14px; }
    }

    /* -------------------------------------------------------------------- Responsive */

    /* Narrow screens: a top bar, and the sections slide in from the left on «Меню». */
    @media (max-width: 1099px) {
      .admin-shell { grid-template-columns: minmax(0, 1fr); }
      .admin-grid.admin-grid--main-side { grid-template-columns: minmax(0, 1fr); }

      .admin-topbar { display: flex; }

      .admin-nav {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 40;
        width: min(300px, 86vw);
        border-right: var(--border);
        translate: -100% 0;
        visibility: hidden;
        transition: translate 0.2s ease, visibility 0s 0.2s;
      }

      .admin-nav__close { display: grid; }

      [data-menu-open] {
        .admin-nav { translate: 0 0; visibility: visible; transition: translate 0.2s ease; }
        .admin-backdrop { display: block; }
      }

      .admin-main { padding: 20px 20px 40px; }
    }

    @media (max-width: 600px) {
      .admin-main { padding: 16px 16px 40px; }
      .admin-title { font-size: 22px; }
      .admin-header__actions { width: 100%; }
      .input--search { min-width: 0; width: 100%; }
      .toolbar__search { width: 100%; }
      .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .metric__value { font-size: 22px; }
      .share-row { grid-template-columns: 100px minmax(0, 1fr) 56px; }
      .panel__head, .panel__body { padding-inline: 14px; }
      .facts { grid-template-columns: minmax(0, 1fr); gap: 0; }
      .facts dd { margin-bottom: 8px; }
    }

    @media (prefers-reduced-motion: reduce) {
      .admin-nav { transition: none !important; }
    }
  }
}