/* ── Reset ───────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #1d1f2b;
  --surface:    #252736;
  --border:     #3a3d56;
  --text:       #d4d4d8;
  --text-dim:   #71717a;
  --text-sub:   #a1a1aa;

  --accent:     #23b0ff;
  --accent-dim: rgba(35, 176, 255, 0.12);
  --red:        #f87171;
  --yellow:     #fbbf24;
  --green:      #4ade80;

  --font-mono:  'JetBrains Mono', 'Fira Code', 'IBM Plex Mono', 'SF Mono',
                ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo,
                Consolas, monospace;
  --font-size:  13px;
}

body {
  font-family: var(--font-mono);
  font-size: var(--font-size);
  line-height: 1.6;
  letter-spacing: -0.02em;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Layout shell ────────────────────────────────────────────────── */

.shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "header  header"
    "sidebar main"
    "footer  footer";
  height: 100vh;
}

/* ── Header ──────────────────────────────────────────────────────── */

.header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  border-bottom: 1px dashed var(--border);
}

.header__brand {
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.02em;
  text-decoration: none;
}

.header__brand span { color: var(--text-dim); }

.header__left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__menu-toggle {
  display: none;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-sub);
  background: none;
  border: 1px solid var(--border);
  padding: 2px 8px;
  cursor: pointer;
  line-height: 1;
}

.header__menu-toggle:hover { color: var(--text); border-color: var(--text-sub); }

.header__user {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 12px;
}

.header__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.header__user-link {
  color: var(--text-dim);
  text-decoration: none;
}

.header__user-link:hover { color: var(--text); }

/* ── Sidebar ─────────────────────────────────────────────────────── */

.sidebar {
  grid-area: sidebar;
  border-right: 1px dashed var(--border);
  overflow-y: auto;
  padding: 16px 0;
}

.sidebar__label {
  padding: 4px 16px 10px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  cursor: pointer;
  color: var(--text-sub);
  border-left: 2px solid transparent;
  font-size: 13px;
  transition: color 0.1s;
  text-decoration: none;
}

.nav-item:hover { color: var(--text); text-decoration: none; }

.nav-item--active {
  color: var(--accent);
  border-left-color: var(--accent);
}

/* ── Main content ────────────────────────────────────────────────── */

.main {
  grid-area: main;
  overflow-y: auto;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Cards / panels ──────────────────────────────────────────────── */

.card {
  border: 1px solid var(--border);
}

.card__header {
  padding: 10px 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  border-bottom: 1px dashed var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card__header::before {
  content: '>';
  color: var(--accent);
  font-weight: 700;
}

.card__body {
  padding: 16px;
}

/* ── Tables ──────────────────────────────────────────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 6px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  border-bottom: 1px dashed var(--border);
}

td {
  padding: 5px 12px;
  border-bottom: 1px solid var(--surface);
  font-variant-numeric: tabular-nums;
}

tr:hover td { background: var(--surface); }
tr[data-lustre-event] { cursor: pointer; }

/* ── Forms ───────────────────────────────────────────────────────── */

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
}

select, input[type='text'], input[type='number'], input[type='email'], input[type='password'] {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: -0.02em;
  padding: 6px 10px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  outline: none;
  transition: border-color 0.15s;
}

select:focus, input:focus {
  border-color: var(--accent);
}

select { cursor: pointer; -webkit-appearance: none; }

::placeholder { color: var(--text-dim); }

/* ── Buttons ─────────────────────────────────────────────────────── */

.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: -0.02em;
  padding: 6px 16px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-sub);
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn--primary {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent);
  color: var(--bg);
}

.btn--primary:active { transform: scale(0.97); }

.btn--ghost:hover {
  border-color: var(--text-sub);
  color: var(--text);
}

.btn--danger {
  border-color: var(--red);
  color: var(--red);
}

.btn--danger:hover {
  background: var(--red);
  color: var(--bg);
}

.btn--danger-text { color: var(--red); }
.btn--danger-text:hover { color: var(--bg); background: var(--red); }

.btn--sm { padding: 4px 10px; font-size: 12px; }

/* ── Badges ──────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: 11px;
  border: 1px solid var(--border);
}

.badge--accent { border-color: var(--accent); color: var(--accent); }
.badge--green  { border-color: var(--green);  color: var(--green); }
.badge--yellow { border-color: var(--yellow); color: var(--yellow); }
.badge--red    { border-color: var(--red);    color: var(--red); }
.badge--dim    { border-color: var(--text-dim); color: var(--text-sub); }

/* ── Empty states ────────────────────────────────────────────────── */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  color: var(--text-dim);
  gap: 8px;
}

.empty-state__icon { font-size: 18px; opacity: 0.4; }
.empty-state__text { font-size: 13px; }

/* ── Status bar ──────────────────────────────────────────────────── */

.status-bar {
  grid-area: footer;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 6px 24px;
  border-top: 1px dashed var(--border);
  font-size: 11px;
  color: var(--text-dim);
}

.status-bar__item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-bar__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

[data-state="connecting"] .status-bar__dot { background: var(--yellow); animation: pulse 2s ease-in-out infinite; }
[data-state="connected"]  .status-bar__dot { background: var(--green); }
[data-state="disconnected"] .status-bar__dot { background: var(--red); }
[data-state="disconnected"] .status-bar__text { color: var(--red); }

.status-bar__sep { color: var(--border); }

/* ── Auth pages (login, register) ────────────────────────────────── */

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.auth-card {
  width: 100%;
  max-width: 360px;
  padding: 32px;
}

.auth-card__title {
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

.auth-card__subtitle {
  color: var(--text-dim);
  font-size: 12px;
  margin-bottom: 24px;
}

.auth-card .field { margin-bottom: 12px; }

.auth-card .field input {
  width: 100%;
}

.auth-card__action {
  margin-top: 20px;
}

.auth-card__action .btn {
  width: 100%;
  justify-content: center;
}

.auth-card__error {
  color: var(--red);
  font-size: 12px;
  margin-top: 12px;
  min-height: 1.6em;
}

/* ── Scrollbar (Webkit) ──────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Animations ──────────────────────────────────────────────────── */

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.pulse { animation: pulse 2s ease-in-out infinite; }

/* ── Typography ─────────────────────────────────────────────────── */

.page-title {
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}

.section-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.text--dim    { color: var(--text-dim); }
.text--sub    { color: var(--text-sub); }
.text--sm     { font-size: 12px; }
.text--accent { color: var(--accent); }
.text--danger { color: var(--red); }

.link { color: var(--accent); text-decoration: none; cursor: pointer; }
.link:hover { text-decoration: underline; }

/* ── Page layout ────────────────────────────────────────────────── */

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

.page-header__actions {
  display: flex;
  gap: 8px;
}

/* ── Micro-layouts ──────────────────────────────────────────────── */

.row         { display: flex; gap: 8px; align-items: center; }
.row--between { display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.stack       { display: flex; flex-direction: column; gap: 12px; }

/* ── Form validation ────────────────────────────────────────────── */

.field__error { font-size: 12px; color: var(--red); }

/* ── Detail display ─────────────────────────────────────────────── */

.detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
}

.detail__value { color: var(--text); }

/* ── Form sections (explained forms) ────────────────────────────── */

.form-section              { display: flex; flex-direction: column; gap: 16px; }
.form-section__header      { display: flex; flex-direction: column; gap: 4px; }
.form-section__title       { font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px;
                             color: var(--text-dim); font-weight: 700; }
.form-section__description { font-size: 12px; color: var(--text-sub); line-height: 1.6; }
.form-section__fields      { display: flex; flex-direction: column; gap: 12px; }

/* ── Invite URL ─────────────────────────────────────────────────── */

.invite-url { display: block; padding: 8px 12px; font-size: 12px;
              border: 1px dashed var(--accent); color: var(--accent);
              word-break: break-all; user-select: all; }

/* ── Copy button feedback ──────────────────────────────────────── */
/* Uses ::after so Lustre's virtual DOM is never touched.          */

[data-copy]                { position: relative; }
.copy-btn--copied          { color: transparent !important; }
.copy-btn--copied::after   { content: "copied!"; position: absolute; inset: 0;
                             display: flex; align-items: center; justify-content: center;
                             color: var(--accent); animation: copy-fade 1.5s ease-out forwards; }
@keyframes copy-fade       { 0%, 60% { opacity: 1; } 100% { opacity: 0; } }

/* ── Divider ────────────────────────────────────────────────────── */

.divider { border: none; border-top: 1px dashed var(--border); }

/* ── Nav dialog (mobile menu) ───────────────────────────────────── */
/* Hidden on desktop; <dialog> UA default keeps it invisible when closed. */

.nav-dialog { display: none; }

.nav-dialog[open] {
  display: flex;
  padding: 0;
  border: none;
  background: transparent;
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

.nav-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.nav-dialog__panel {
  width: 220px;
  height: 100%;
  background: var(--bg);
  border-right: 1px dashed var(--border);
  padding: 16px 0;
  overflow-y: auto;
}

/* ── Responsive ─────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main"
      "footer";
  }

  .header__menu-toggle {
    display: block;
  }

  .sidebar {
    display: none;
  }

  .nav-dialog { display: revert; }

  .main {
    padding: 16px;
  }

  /* Table → stacked cards */
  table, thead, tbody, tr, th, td {
    display: block;
  }

  thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  tr {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
  }

  tr:last-child { border-bottom: none; }

  td {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 0;
    border-bottom: none;
  }

  td[data-label]::before {
    content: attr(data-label);
    flex: 0 0 70px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-dim);
  }

  td[data-label=""]:not(:empty) {
    padding-top: 6px;
  }

  td[data-label=""]::before {
    display: none;
  }

  tr:hover td { background: transparent; }
}