/* ---- Tokens ---------------------------------------------------------- */
:root {
  --bg: #15130f;
  --bg-soft: #1d1a14;
  --card: #1f1c16;
  --card-on: #2a2317;
  --line: #2c2820;
  --line-strong: #3a3429;
  --ink: #ece5d3;
  --ink-dim: #9a9486;
  --ink-faint: #5f5a4f;
  --amber: #f0a04b;
  --amber-glow: rgba(240, 160, 75, 0.35);
  --green-ok: #8bb070;
  --red: #d6695a;

  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

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

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* subtle grain — gives the dark surface warmth without being noisy */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hidden { display: none !important; }

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

.serif  { font-family: var(--serif); font-weight: 400; }
.italic { font-style: italic; }
.mono   { font-family: var(--mono); }
.small  { font-size: 12px; letter-spacing: 0.02em; }

/* ---- Brand mark ------------------------------------------------------ */
.brand {
  display: flex; align-items: baseline; gap: 12px;
}
.brand h1 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.brand .serif {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--amber);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-left: -2px;
}
.brand .dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 16px var(--amber-glow);
  animation: pulse 3.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.9; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.18); }
}

/* ---- Topbar ---------------------------------------------------------- */
.topbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 36px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg-soft) 0%, transparent 100%);
}
.topbar .meta {
  display: flex; align-items: center; gap: 18px;
}
.topbar #clock {
  color: var(--ink-dim);
  font-size: 13px;
}

a.ghost, button.ghost {
  background: transparent;
  color: var(--ink-dim);
  border: 1px solid var(--line-strong);
  padding: 6px 12px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease, background 120ms ease;
}
a.ghost:hover, button.ghost:hover {
  color: var(--ink);
  border-color: var(--ink-dim);
  background: rgba(255,255,255,0.02);
}

/* ---- Main ------------------------------------------------------------ */
main {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 36px 80px;
}

.status-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  color: var(--ink-dim);
  font-size: 12px;
}

/* ---- Grid ------------------------------------------------------------ */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

/* ---- Card ------------------------------------------------------------ */
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 240ms ease, border-color 240ms ease, transform 200ms ease;
}
.card[data-state="on"] {
  background: var(--card-on);
  border-color: rgba(240, 160, 75, 0.25);
  box-shadow: 0 1px 0 rgba(240,160,75,0.06) inset, 0 12px 40px -24px var(--amber-glow);
}
.card[data-state="offline"] {
  opacity: 0.6;
}
.card[data-state="pending"] {
  border-color: var(--line-strong);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}
.card-head .name {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.005em;
  line-height: 1.25;
}

/* the small "alive" dot */
.indicator {
  flex-shrink: 0;
  margin-top: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink-faint);
  transition: background 240ms ease, box-shadow 240ms ease;
}
.card[data-state="on"] .indicator {
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber-glow);
}
.card[data-state="offline"] .indicator { background: var(--red); }

.card-meta {
  display: flex; gap: 10px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.card-meta .offline-tag {
  color: var(--red);
}

.device-id {
  color: var(--ink-faint);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  align-self: flex-start;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 150ms ease, border-color 150ms ease;
}
.device-id:hover {
  color: var(--ink-dim);
  border-color: var(--line-strong);
}

/* ---- Toggle ---------------------------------------------------------- */
.toggle {
  margin-top: auto;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  transition: border-color 160ms ease, background 160ms ease;
}
.toggle:hover:not(:disabled)      { border-color: var(--ink-dim); }
.toggle:disabled                  { cursor: not-allowed; opacity: 0.5; }
.toggle .label                    { letter-spacing: 0.08em; text-transform: uppercase; }

.track {
  position: relative;
  width: 40px; height: 22px;
  background: #2a2620;
  border-radius: 999px;
  flex-shrink: 0;
  transition: background 200ms ease;
}
.thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--ink-faint);
  transition: left 220ms cubic-bezier(.5,1.6,.3,1), background 200ms ease, box-shadow 200ms ease;
}
.card[data-state="on"] .track   { background: rgba(240, 160, 75, 0.18); }
.card[data-state="on"] .thumb   { left: 21px; background: var(--amber); box-shadow: 0 0 10px var(--amber-glow); }
.card[data-state="on"] .toggle  { border-color: rgba(240, 160, 75, 0.3); }

/* ---- Computer presence pills --------------------------------------- */
.computers {
  display: none; /* hidden until populated */
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.computers.has-items { display: flex; }

.computer-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px 7px 11px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-dim);
  transition: border-color 200ms ease, color 200ms ease, background 200ms ease;
}
.computer-pill.online {
  color: var(--ink);
  border-color: rgba(139, 176, 112, 0.35);
  background: rgba(139, 176, 112, 0.06);
}
.computer-pill .cname {
  font-family: var(--sans);
  letter-spacing: 0.01em;
}
.computer-pill .ago {
  font-size: 10.5px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.computer-pill.online .ago { color: var(--green-ok); }

/* The LED itself */
.computer-pill .led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-faint);
  flex-shrink: 0;
  position: relative;
}
.computer-pill.online .led {
  background: var(--green-ok);
  box-shadow: 0 0 8px rgba(139, 176, 112, 0.6);
  animation: led-pulse 2.6s ease-in-out infinite;
}
@keyframes led-pulse {
  0%, 100% { box-shadow: 0 0 6px rgba(139, 176, 112, 0.45); }
  50%      { box-shadow: 0 0 14px rgba(139, 176, 112, 0.75); }
}

/* ---- Empty & error states ------------------------------------------- */
.empty, .error-panel {
  margin-top: 40px;
  padding: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  text-align: center;
  color: var(--ink-dim);
}
.empty p + p, .error-panel pre {
  margin-top: 8px;
}
.error-panel {
  border-style: solid;
  border-color: var(--red);
  text-align: left;
}
.error-panel h2 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  color: var(--red);
  margin-bottom: 12px;
  font-weight: 400;
}
.error-panel pre {
  font-size: 12px;
  color: var(--ink-dim);
  white-space: pre-wrap;
}

/* ---- Login page ------------------------------------------------------ */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}
.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 36px 32px 24px;
}
.login-card .brand { margin-bottom: 12px; }
.login-card .hint {
  color: var(--ink-dim);
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.5;
}
.login-card form {
  display: flex; flex-direction: column; gap: 12px;
}
.login-card input {
  background: var(--bg-soft);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 14px 14px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  outline: none;
  transition: border-color 140ms ease;
}
.login-card input:focus {
  border-color: var(--amber);
}
.login-card button[type="submit"] {
  background: var(--amber);
  color: #1d1408;
  border: none;
  border-radius: 10px;
  padding: 13px 14px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 100ms ease, box-shadow 200ms ease;
}
.login-card button[type="submit"]:hover {
  box-shadow: 0 8px 24px -10px var(--amber-glow);
  transform: translateY(-1px);
}
.login-card .error {
  margin-top: 4px;
  color: var(--red);
  font-size: 13px;
}
.login-foot {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 11px;
  text-align: center;
  letter-spacing: 0.04em;
}

/* ---- Responsive ------------------------------------------------------ */
@media (max-width: 640px) {
  .topbar { padding: 18px 20px; }
  main { padding: 20px 20px 60px; }
  .brand h1 { font-size: 19px; }
  .brand .serif { font-size: 24px; }
  .grid { gap: 12px; }
}