/* =========================================================================
   RemoteControl broker dashboard — dark theme.
   Vanilla CSS, no imports, no external fonts, no network requests.
   ========================================================================= */

:root {
  --bg:            #0e1116;
  --bg-elev:       #151a21;
  --bg-elev-2:     #1b212a;
  --bg-input:      #10151b;
  --border:        #262e3a;
  --border-strong: #354052;

  --text:          #e7ecf3;
  --text-dim:      #9aa5b4;
  --text-faint:    #6b7686;

  --accent:        #4c8dff;
  --accent-hover:  #6ba0ff;
  --accent-dim:    rgba(76, 141, 255, 0.14);

  --ok:            #34d399;
  --ok-dim:        rgba(52, 211, 153, 0.14);
  --warn:          #fbbf24;
  --warn-dim:      rgba(251, 191, 36, 0.12);
  --danger:        #f87171;
  --danger-dim:    rgba(248, 113, 113, 0.13);

  --radius:        8px;
  --radius-sm:     6px;
  --shadow:        0 10px 30px rgba(0, 0, 0, 0.45);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", "Cascadia Mono", Menlo,
          Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.3; }

a { color: var(--accent); }

code, pre, .mono { font-family: var(--mono); }

[hidden] { display: none !important; }

::selection { background: var(--accent-dim); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------- logo -- */

.logo {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(140deg, var(--accent), #7b5cff);
  flex: 0 0 auto;
  position: relative;
}
.logo::after {
  content: "";
  position: absolute;
  inset: 5px 4px 7px 4px;
  border-radius: 2px;
  background: #0e1116;
}

.logo-text { font-weight: 650; letter-spacing: -0.01em; }
.logo-sub  { color: var(--text-faint); font-size: 12px; }

/* --------------------------------------------------------------- login -- */

.login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
}

.login-title { font-size: 20px; }

.login-sub {
  margin: 5px 0 20px;
  color: var(--text-dim);
  font-size: 13px;
}

.hint {
  margin: 9px 0 20px;
  color: var(--text-faint);
  font-size: 12.5px;
}

.inline-code {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}

/* -------------------------------------------------------------- topbar -- */

.app-view { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 22px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}

.topbar-brand { display: flex; align-items: center; gap: 9px; }

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

.who { display: flex; align-items: center; gap: 8px; min-width: 0; }

.who-name {
  color: var(--text-dim);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 40vw;
}

/* ---------------------------------------------------------------- tabs -- */

.tabs {
  display: flex;
  gap: 2px;
  padding: 0 14px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: thin;
}

.tab {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 13.5px;
  padding: 11px 14px;
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.is-active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }

/* ------------------------------------------------------------- content -- */

.content {
  flex: 1;
  padding: 22px;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  outline: none;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.section-title { font-size: 17px; }

.section-desc {
  margin: 4px 0 0;
  color: var(--text-dim);
  font-size: 13px;
  max-width: 68ch;
}

.section-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 20px;
}

.card-title { font-size: 14.5px; margin-bottom: 3px; }

.card-desc {
  color: var(--text-dim);
  font-size: 12.5px;
  margin: 0 0 16px;
  max-width: 70ch;
}

/* --------------------------------------------------------------- table -- */

.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  background: var(--bg-elev);
}

table { width: 100%; border-collapse: collapse; min-width: 560px; }

thead th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev-2);
  white-space: nowrap;
}

tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255, 255, 255, 0.018); }

td.col-actions { text-align: right; white-space: nowrap; width: 1%; }
td.num { font-variant-numeric: tabular-nums; }

.cell-strong { font-weight: 550; }
.cell-dim    { color: var(--text-dim); }
.cell-mono   { font-family: var(--mono); font-size: 12.5px; color: var(--text-dim); }
.cell-nowrap { white-space: nowrap; }

/* --------------------------------------------------------------- state -- */

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 7px;
  vertical-align: 0px;
  background: var(--text-faint);
}
.status-dot.is-online {
  background: var(--ok);
  box-shadow: 0 0 0 3px var(--ok-dim);
}
.status-online  { color: var(--text); }
.status-offline { color: var(--text-faint); }

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.6;
  padding: 0 7px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-admin   { background: var(--accent-dim); color: var(--accent);  border-color: rgba(76,141,255,.3); }
.badge-mfa     { background: var(--ok-dim);     color: var(--ok);      border-color: rgba(52,211,153,.3); }
.badge-muted   { background: var(--bg-elev-2);  color: var(--text-faint); border-color: var(--border); }
.badge-warn    { background: var(--warn-dim);   color: var(--warn);    border-color: rgba(251,191,36,.3); }
.badge-danger  { background: var(--danger-dim); color: var(--danger);  border-color: rgba(248,113,113,.3); }

.empty {
  padding: 44px 20px;
  text-align: center;
  color: var(--text-dim);
}
.empty-title { font-weight: 600; color: var(--text); margin-bottom: 5px; }
.empty-desc  { font-size: 13px; max-width: 46ch; margin: 0 auto; }

.loading {
  padding: 34px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 13px;
}

.spinner {
  display: inline-block;
  width: 13px;
  height: 13px;
  margin-right: 8px;
  vertical-align: -2px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 2.4s; }
}

/* -------------------------------------------------------------- alerts -- */

.alert {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 13px;
  margin-bottom: 14px;
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.alert-error { background: var(--danger-dim); border-color: rgba(248,113,113,.35); color: #ffc9c9; }
.alert-warn  { background: var(--warn-dim);   border-color: rgba(251,191,36,.35);  color: #ffe6ac; }
.alert-info  { background: var(--accent-dim); border-color: rgba(76,141,255,.35);  color: #cfe0ff; }
.alert-ok    { background: var(--ok-dim);     border-color: rgba(52,211,153,.35);  color: #bff2de; }
.alert strong { font-weight: 650; }
.alert-body { min-width: 0; }

/* --------------------------------------------------------------- forms -- */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.field { display: flex; flex-direction: column; min-width: 0; }

.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.field-hint {
  font-size: 11.5px;
  color: var(--text-faint);
  margin: 5px 0 0;
}

.input, .select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  font-size: 13.5px;
  padding: 9px 11px;
}
.input::placeholder { color: var(--text-faint); }
.input:focus, .select:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.input:disabled, .select:disabled { opacity: 0.55; cursor: not-allowed; }

.select {
  appearance: none;
  padding-right: 30px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-faint) 50%),
    linear-gradient(135deg, var(--text-faint) 50%, transparent 50%);
  background-position: calc(100% - 15px) 51%, calc(100% - 10px) 51%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.check {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  cursor: pointer;
  user-select: none;
}
.check input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; flex: 0 0 auto; }

.form-actions {
  display: flex;
  gap: 9px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 4px;
}

/* device grant picker */
.picker {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  max-height: 200px;
  overflow-y: auto;
  padding: 4px;
}
.picker-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.picker-row:hover { background: rgba(255,255,255,.035); }
.picker-row input { accent-color: var(--accent); flex: 0 0 auto; }
.picker-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.picker-id { color: var(--text-faint); font-family: var(--mono); font-size: 11.5px; margin-left: auto; padding-left: 10px; }
.picker-empty { padding: 14px; color: var(--text-faint); font-size: 12.5px; text-align: center; }

/* ------------------------------------------------------------- buttons -- */

.btn {
  appearance: none;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev-2);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color .12s ease, border-color .12s ease, opacity .12s ease;
}
.btn:hover:not(:disabled) { background: #232b36; border-color: #47536a; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #06203f;
  font-weight: 650;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-ghost { background: transparent; }
.btn-ghost:hover:not(:disabled) { background: var(--bg-elev-2); }

.btn-danger { color: var(--danger); border-color: rgba(248,113,113,.35); background: transparent; }
.btn-danger:hover:not(:disabled) { background: var(--danger-dim); border-color: var(--danger); }

.btn-danger-solid { background: var(--danger); border-color: var(--danger); color: #360b0b; font-weight: 650; }
.btn-danger-solid:hover:not(:disabled) { background: #ff8f8f; border-color: #ff8f8f; }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; display: block; padding: 10px 14px; }

.confirm-group { display: inline-flex; gap: 6px; align-items: center; }
.confirm-label { font-size: 12px; color: var(--text-dim); margin-right: 2px; }

/* ---------------------------------------------------------- code boxes -- */

.code-row { display: flex; gap: 8px; align-items: stretch; margin-bottom: 4px; }

.code-box {
  flex: 1 1 auto;
  min-width: 0;
  display: block;
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  color: var(--text);
  overflow-x: auto;
  white-space: pre;
  user-select: all;
}
.code-box.token-value {
  font-size: 15px;
  letter-spacing: 0.02em;
  color: #a5d0ff;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  user-select: all;
}

.code-copy { flex: 0 0 auto; align-self: stretch; }

.token-reveal { border-color: rgba(251,191,36,.4); }

.field-block { margin-bottom: 16px; }

/* --------------------------------------------------------- audit detail */

.kv { display: inline-flex; align-items: baseline; margin-right: 12px; white-space: nowrap; max-width: 100%; }
.kv-k { color: var(--text-faint); }
.kv-eq { color: var(--border-strong); margin: 0 2px; }
.kv-v { color: var(--text-dim); font-family: var(--mono); font-size: 12px; overflow: hidden; text-overflow: ellipsis; }
.detail-cell { font-size: 12.5px; line-height: 1.9; }

.cat {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 1px 7px;
  border-radius: 4px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.cat-admin    { color: var(--accent); border-color: rgba(76,141,255,.28); }
.cat-session  { color: var(--ok);     border-color: rgba(52,211,153,.28); }
.cat-enroll   { color: var(--warn);   border-color: rgba(251,191,36,.28); }
.cat-agent    { color: var(--warn);   border-color: rgba(251,191,36,.28); }
.cat-operator { color: #c4a3ff;       border-color: rgba(196,163,255,.28); }

.msg-fail { color: var(--danger); }

/* -------------------------------------------------------------- footer -- */

.foot-note {
  color: var(--text-faint);
  font-size: 12px;
  margin-top: 10px;
}

.count-pill {
  font-size: 12px;
  color: var(--text-faint);
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 9px;
  font-variant-numeric: tabular-nums;
}

/* -------------------------------------------------------- responsive --- */

@media (max-width: 760px) {
  .content { padding: 16px 13px; }
  .topbar  { padding: 10px 13px; }
  .card    { padding: 15px; }
  .section-head { align-items: flex-start; }
  .form-grid { grid-template-columns: 1fr; }
  .code-row { flex-direction: column; }
  .code-copy { align-self: flex-start; }
  .who-name { max-width: 34vw; }
  .logo-sub { display: none; }
}

@media (max-width: 480px) {
  .login-card { padding: 22px 18px; }
  table { min-width: 460px; }
}