/* ECHELON tenant dashboard (Phase 4) — self-contained, theme-aware, no CDNs. */

/* ── Design tokens ─────────────────────────────────────────────────────── */
:root {
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --radius: 12px;
  --radius-sm: 8px;
  --gap: 20px;
  --maxw: 1180px;

  /* Light theme (default) */
  --bg: #f4f6fb;
  --bg-elev: #ffffff;
  --bg-soft: #f7f9fc;
  --surface-2: #eef1f7;
  --border: #e2e7f0;
  --border-strong: #cfd6e4;
  --text: #131722;
  --text-2: #4a5568;
  --muted: #7a879c;
  --brand: #3b5bdb;
  --brand-ink: #ffffff;
  --brand-soft: #e8edfd;
  --accent: #0ca678;
  --accent-soft: #d7f5ec;
  --danger: #e03131;
  --danger-soft: #fde4e4;
  --warn: #f08c00;
  --warn-soft: #fff2dd;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .06);
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1017;
    --bg-elev: #161b26;
    --bg-soft: #1b2230;
    --surface-2: #1f2735;
    --border: #262f3f;
    --border-strong: #35405480;
    --text: #eef2f9;
    --text-2: #aeb9cc;
    --muted: #7d8aa0;
    --brand: #5c7cfa;
    --brand-ink: #0b0e14;
    --brand-soft: #1c2740;
    --accent: #20c997;
    --accent-soft: #12332a;
    --danger: #ff6b6b;
    --danger-soft: #3a1f22;
    --warn: #ffa94d;
    --warn-soft: #3a2c17;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .35);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  }
}

/* Explicit toggle overrides prefers-color-scheme in both directions */
:root[data-theme="light"] {
  --bg: #f4f6fb; --bg-elev: #ffffff; --bg-soft: #f7f9fc; --surface-2: #eef1f7;
  --border: #e2e7f0; --border-strong: #cfd6e4; --text: #131722; --text-2: #4a5568;
  --muted: #7a879c; --brand: #3b5bdb; --brand-ink: #ffffff; --brand-soft: #e8edfd;
  --accent: #0ca678; --accent-soft: #d7f5ec; --danger: #e03131; --danger-soft: #fde4e4;
  --warn: #f08c00; --warn-soft: #fff2dd;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.06); --shadow-sm: 0 1px 2px rgba(16,24,40,.08);
}
:root[data-theme="dark"] {
  --bg: #0d1017; --bg-elev: #161b26; --bg-soft: #1b2230; --surface-2: #1f2735;
  --border: #262f3f; --border-strong: #35405480; --text: #eef2f9; --text-2: #aeb9cc;
  --muted: #7d8aa0; --brand: #5c7cfa; --brand-ink: #0b0e14; --brand-soft: #1c2740;
  --accent: #20c997; --accent-soft: #12332a; --danger: #ff6b6b; --danger-soft: #3a1f22;
  --warn: #ffa94d; --warn-soft: #3a2c17;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.35); --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--brand); text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }

/* ── Brand mark ────────────────────────────────────────────────────────── */
.brand-mark {
  width: 22px; height: 22px; border-radius: 6px; display: inline-block;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.15);
  flex: 0 0 auto;
}
.brand-mark--lg { width: 40px; height: 40px; border-radius: 10px; }
.brand-word { font-weight: 750; letter-spacing: .14em; font-size: 15px; }
.brand-word--lg { font-size: 22px; letter-spacing: .16em; }
.brand-sub { color: var(--muted); font-size: 12px; letter-spacing: .02em; }

/* ── Topbar ────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 24px;
  padding: 0 22px; height: 60px;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar__brand { display: flex; align-items: center; gap: 9px; }
.topbar__brand .brand-sub { display: none; }
.topnav { display: flex; gap: 4px; margin-left: 8px; flex: 1; min-width: 0; overflow-x: auto; }
.topnav__link {
  padding: 8px 13px; border-radius: var(--radius-sm); color: var(--text-2);
  font-weight: 550; font-size: 14px; white-space: nowrap;
}
.topnav__link:hover { background: var(--surface-2); color: var(--text); }
.topnav__link.is-active { background: var(--brand-soft); color: var(--brand); }
.topbar__right { display: flex; align-items: center; gap: 10px; }
.tenant-pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 11px; border-radius: 999px; background: var(--surface-2);
  border: 1px solid var(--border); font-size: 13px; font-weight: 550; color: var(--text-2);
  max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tenant-pill__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }

.icon-btn {
  width: 34px; height: 34px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg-elev); cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-2);
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.theme-ico { width: 15px; height: 15px; border-radius: 50%;
  background: radial-gradient(circle at 32% 32%, var(--warn) 0 46%, transparent 47%),
              conic-gradient(from 0deg, var(--brand), var(--accent), var(--brand)); }

/* ── Layout ────────────────────────────────────────────────────────────── */
.page { max-width: var(--maxw); margin: 0 auto; padding: 26px 22px 60px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-title { font-size: 24px; }
.page-sub { color: var(--muted); margin: 5px 0 0; font-size: 14px; max-width: 62ch; }
.page-head__aside { display: flex; gap: 12px; align-items: flex-end; }

.grid { display: grid; gap: var(--gap); }
.grid--sidebar { grid-template-columns: 320px minmax(0, 1fr); align-items: start; }
.grid--half { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stack { display: flex; flex-direction: column; gap: var(--gap); min-width: 0; }

@media (max-width: 860px) {
  .grid--sidebar, .grid--half { grid-template-columns: minmax(0, 1fr); }
  .topbar { gap: 12px; padding: 0 14px; }
  .page { padding: 20px 14px 48px; }
}

/* ── Cards ─────────────────────────────────────────────────────────────── */
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.card--pad { padding: 18px; position: sticky; top: 78px; }
@media (max-width: 860px) { .card--pad { position: static; } }
.card-title { font-size: 15px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 15px 18px; border-bottom: 1px solid var(--border); }

/* ── Forms ─────────────────────────────────────────────────────────────── */
.form { display: flex; flex-direction: column; gap: 13px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--inline { min-width: 200px; }
.field__label { font-size: 12.5px; font-weight: 600; color: var(--text-2); letter-spacing: .01em; }
.input {
  width: 100%; font: inherit; color: var(--text);
  background: var(--bg-soft); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 9px 11px; outline: none; transition: border-color .12s, box-shadow .12s;
}
.input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 22%, transparent); }
.input--mono { font-family: var(--mono); font-size: 12.5px; }
select.input { appearance: none; background-image:
  linear-gradient(45deg, transparent 50%, var(--muted) 50%),
  linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) 52%, calc(100% - 11px) 52%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 30px; }

.btn {
  font: inherit; font-weight: 600; cursor: pointer; border: 1px solid transparent;
  border-radius: var(--radius-sm); padding: 9px 15px; transition: filter .12s, background .12s, transform .04s;
  color: var(--text); background: var(--surface-2); display: inline-flex; align-items: center; justify-content: center; gap: 7px;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: default; }
.btn--primary { background: var(--brand); color: var(--brand-ink); }
.btn--primary:hover:not(:disabled) { filter: brightness(1.07); }
.btn--accent { background: var(--accent); color: var(--brand-ink); }
.btn--accent:hover:not(:disabled) { filter: brightness(1.07); }
.btn--ghost { background: transparent; border-color: var(--border-strong); color: var(--text-2); }
.btn--ghost:hover { background: var(--surface-2); color: var(--text); }
.btn--block { width: 100%; }
.btn--sm { padding: 6px 11px; font-size: 13px; }
.btn--xs { padding: 3px 9px; font-size: 12px; border-radius: 6px; }
.divider { height: 1px; background: var(--border); margin: 15px 0; }
.form-error { background: var(--danger-soft); color: var(--danger); border-radius: var(--radius-sm); padding: 8px 11px; font-size: 13px; font-weight: 550; }

.muted { color: var(--muted); }
.small { font-size: 12.5px; }

/* ── Org tree ──────────────────────────────────────────────────────────── */
.org-card { }
.org-card__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 18px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.org-card__title { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 650; }
.org-meta { display: flex; gap: 14px; color: var(--muted); font-size: 12.5px; flex-wrap: wrap; }
.org-body { padding: 8px 18px 18px; }

.tree { list-style: none; margin: 0; padding: 0; }
.tree ul { list-style: none; margin: 0; padding-left: 26px; position: relative; }
.tree ul::before { content: ""; position: absolute; left: 10px; top: 0; bottom: 14px; width: 1px; background: var(--border-strong); }
.tree li { position: relative; }
.node {
  display: flex; align-items: center; gap: 10px; padding: 9px 11px; margin: 7px 0;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.tree ul .node::before { content: ""; position: absolute; left: -16px; top: 50%; width: 16px; height: 1px; background: var(--border-strong); }
.node__role { font-weight: 600; }
.node__spacer { flex: 1; }
.node__meta { color: var(--muted); font-size: 12px; font-family: var(--mono); }

.tier-badge { font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 2px 7px; border-radius: 999px; }
.tier-ceo { background: var(--brand-soft); color: var(--brand); }
.tier-manager { background: var(--accent-soft); color: var(--accent); }
.tier-worker { background: var(--surface-2); color: var(--text-2); }

.add-director { margin-top: 14px; padding: 14px; border: 1px dashed var(--border-strong); border-radius: var(--radius-sm); background: var(--bg-soft); }
.add-director summary { cursor: pointer; font-weight: 600; font-size: 13.5px; color: var(--text-2); list-style: none; }
.add-director summary::-webkit-details-marker { display: none; }
.add-director summary::before { content: "＋ "; color: var(--brand); font-weight: 700; }
.add-director[open] summary::before { content: "− "; }
.add-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 11px; margin-top: 12px; }
@media (max-width: 560px) { .add-grid { grid-template-columns: minmax(0,1fr); } }

/* ── Tables ────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 560px; }
table.data th, table.data td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.data th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; position: sticky; top: 0; background: var(--bg-elev); }
table.data tr:last-child td { border-bottom: none; }
table.data td.wrap { white-space: normal; max-width: 380px; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.pill { font-size: 11px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; display: inline-block; }
.pill--pending { background: var(--warn-soft); color: var(--warn); }
.pill--claimed, .pill--in_progress { background: var(--brand-soft); color: var(--brand); }
.pill--done, .pill--active { background: var(--accent-soft); color: var(--accent); }
.pill--failed, .pill--cancelled { background: var(--danger-soft); color: var(--danger); }
.pill--paused, .pill--suspended { background: var(--surface-2); color: var(--muted); }

/* ── Feed (briefings) ──────────────────────────────────────────────────── */
.feed { display: flex; flex-direction: column; }
.feed__item { display: flex; gap: 13px; padding: 15px 18px; border-bottom: 1px solid var(--border); }
.feed__item:last-child { border-bottom: none; }
.feed__rail { display: flex; flex-direction: column; align-items: center; }
.feed__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--brand); margin-top: 5px; flex: 0 0 auto; }
.feed__body { min-width: 0; flex: 1; }
.feed__meta { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 12px; margin-bottom: 3px; flex-wrap: wrap; }
.feed__who { font-weight: 650; color: var(--text); font-size: 13px; }
.feed__summary { font-size: 13.5px; color: var(--text-2); word-break: break-word; }
.tag { font-size: 10.5px; font-weight: 700; letter-spacing: .04em; padding: 1px 6px; border-radius: 5px; }
.tag--done { background: var(--accent-soft); color: var(--accent); }
.tag--failed { background: var(--danger-soft); color: var(--danger); }
.tag--synthesis { background: var(--brand-soft); color: var(--brand); }

/* ── Stat tiles ────────────────────────────────────────────────────────── */
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: var(--gap); margin-bottom: var(--gap); }
@media (max-width: 720px) { .stat-row { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.stat { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 15px 17px; box-shadow: var(--shadow-sm); }
.stat__label { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.stat__value { font-size: 24px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.stat__sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

/* ── Empty / loading states ────────────────────────────────────────────── */
.empty { text-align: center; padding: 40px 20px; color: var(--muted); border: 1px dashed var(--border-strong); border-radius: var(--radius); background: var(--bg-elev); }
.empty__title { font-weight: 650; color: var(--text); margin-bottom: 4px; }
.empty__body { font-size: 13.5px; }
.skeleton-block { padding: 26px 18px; color: var(--muted); font-size: 13.5px; text-align: center; }

/* ── Toast ─────────────────────────────────────────────────────────────── */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg-elev); padding: 11px 18px; border-radius: 10px;
  font-size: 13.5px; font-weight: 550; box-shadow: var(--shadow); opacity: 0; pointer-events: none;
  transition: opacity .18s, transform .18s; z-index: 60; max-width: 90vw;
}
.toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.is-error { background: var(--danger); color: #fff; }

.foot { max-width: var(--maxw); margin: 0 auto; padding: 20px 22px 30px; color: var(--muted); font-size: 12.5px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.foot__sep { opacity: .5; }

/* ── Login ─────────────────────────────────────────────────────────────── */
.login-body { display: flex; min-height: 100vh; }
.login-wrap { margin: auto; width: 100%; max-width: 420px; padding: 24px; }
.login-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 30px 28px; }
.login-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 22px; }
.login-title { font-size: 19px; margin-bottom: 5px; }
.login-lead { color: var(--muted); font-size: 13.5px; margin: 0 0 20px; }
.login-foot { color: var(--muted); font-size: 12px; text-align: center; margin: 18px 0 0; }