/* PerPlant fleet monitor — palette is limited to the brand colours:
   ink   rgb(42,49,59)    lime rgb(175,209,50)
   red   rgb(240,82,82)   white
   Everything else is a tint or shade of those. */
:root {
  --ink:        #2a313b;
  --ink-deep:   #20262e;
  --ink-raised: #333b47;
  --lime:       #afd132;
  --lime-dim:   #8aa728;
  --red:        #f05252;
  --white:      #ffffff;

  --text:   var(--white);
  --muted:  rgba(255, 255, 255, 0.58);
  --faint:  rgba(255, 255, 255, 0.34);
  --line:   rgba(255, 255, 255, 0.10);
  --line-2: rgba(255, 255, 255, 0.18);

  --radius: 10px;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: env(safe-area-inset-top, 0) 0 env(safe-area-inset-bottom, 0);
  background: var(--ink-deep);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

/* ---------- shared bits ---------- */

.brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 16px; letter-spacing: -0.2px; white-space: nowrap;
}
.brand .thin { font-weight: 400; color: var(--muted); margin-left: 4px; }
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--lime); box-shadow: 0 0 0 4px rgba(175, 209, 50, 0.16);
}
.brand-lg { font-size: 22px; justify-content: center; margin-bottom: 4px; }

.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 8px; padding: 9px 16px; border: 1px solid transparent;
  transition: background 0.14s, border-color 0.14s, opacity 0.14s;
}
.btn-primary { background: var(--lime); color: var(--ink); }
.btn-primary:hover { background: var(--lime-dim); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--line-2); }
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }
.btn:disabled { opacity: 0.5; cursor: default; }

input[type="password"], input[type="email"], input[type="text"], input[type="search"] {
  font: inherit; width: 100%;
  background: var(--ink-deep); color: var(--text);
  border: 1px solid var(--line-2); border-radius: 8px; padding: 10px 12px;
}
input:focus-visible, .btn:focus-visible, .tab:focus-visible, .chip:focus-visible {
  outline: 2px solid var(--lime); outline-offset: 2px;
}
input::placeholder { color: var(--faint); }

.muted { color: var(--muted); }
.hint  { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.err   { color: var(--red); font-size: 13px; margin: 4px 0 0; }
.empty { color: var(--faint); text-align: center; padding: 40px 16px; }
code {
  font-family: var(--mono); font-size: 0.92em;
  background: rgba(255, 255, 255, 0.07); padding: 1px 5px; border-radius: 4px;
}

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

.login {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: var(--ink-deep); padding: 20px; z-index: 30;
}
.login-card {
  width: 100%; max-width: 340px; background: var(--ink);
  border: 1px solid var(--line); border-radius: 14px;
  padding: 28px 24px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 12px; text-align: center;
}
.login-card .muted { margin: 0 0 4px; font-size: 13px; }

/* ---------- top bar ---------- */

.topbar {
  position: sticky; top: env(safe-area-inset-top, 0); z-index: 20;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 14px 20px; background: var(--ink);
  border-bottom: 1px solid var(--line);
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat {
  display: flex; align-items: baseline; gap: 7px;
  background: var(--ink-deep); border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 14px;
}
.stat b { font-size: 16px; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 12px; }
.stat-online  b { color: var(--lime); }
.stat-offline b { color: var(--red); }

.freshness { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.freshness.stale { color: var(--red); }

.banner {
  padding: 10px 20px; background: rgba(240, 82, 82, 0.14);
  border-bottom: 1px solid rgba(240, 82, 82, 0.4);
  color: var(--red); font-size: 13px;
}

/* ---------- controls ---------- */

.controls {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 16px 20px 0; max-width: 1180px; margin: 0 auto;
}
.search { position: relative; flex: 1 1 260px; }
.search svg {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; fill: none; stroke: var(--faint); stroke-width: 2;
  stroke-linecap: round; pointer-events: none;
}
.search input { padding-left: 36px; padding-right: 34px; height: 40px; }
.search .clear {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  background: none; border: 0; color: var(--faint); font-size: 20px;
  cursor: pointer; line-height: 1; padding: 0 6px;
}
.search .clear:hover { color: var(--text); }

.tabs { display: flex; gap: 4px; background: var(--ink); border-radius: 10px; padding: 4px; }
.tab {
  font: inherit; font-weight: 600; color: var(--muted);
  background: none; border: 0; border-radius: 7px; padding: 8px 16px; cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.is-active { background: var(--ink-raised); color: var(--text); }

main { max-width: 1180px; margin: 0 auto; padding: 16px 20px 60px; }

.filters { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.chip {
  font: inherit; font-size: 13px; color: var(--muted); cursor: pointer;
  background: var(--ink); border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px;
}
.chip:hover { color: var(--text); }
.chip.is-active { background: var(--lime); border-color: var(--lime); color: var(--ink); font-weight: 600; }
.result-count { margin-left: auto; color: var(--faint); font-size: 12px; font-variant-numeric: tabular-nums; }

/* ---------- lists ---------- */

.list { display: flex; flex-direction: column; gap: 8px; }

.device {
  display: grid;
  grid-template-columns: 12px minmax(0, 1.4fr) minmax(0, 1.6fr) auto;
  align-items: center; gap: 16px;
  background: var(--ink); border: 1px solid var(--line);
  border-left: 3px solid var(--line-2);
  border-radius: var(--radius); padding: 13px 16px;
}
.device.is-online  { border-left-color: var(--lime); }
.device.is-offline { border-left-color: var(--red); }

.pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--faint); }
.is-online  .pulse { background: var(--lime); animation: pulse 2.4s ease-out infinite; }
.is-offline .pulse { background: var(--red); }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(175, 209, 50, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(175, 209, 50, 0); }
  100% { box-shadow: 0 0 0 0 rgba(175, 209, 50, 0); }
}
@media (prefers-reduced-motion: reduce) { .is-online .pulse { animation: none; } }

.device-name {
  font-weight: 600; font-family: var(--mono); font-size: 13.5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.device-name mark { background: rgba(175, 209, 50, 0.28); color: var(--lime); border-radius: 3px; padding: 0 1px; }
.device-meta { color: var(--faint); font-size: 12px; margin-top: 3px; display: flex; gap: 6px; flex-wrap: wrap; }
.tunnel {
  border: 1px solid var(--line); border-radius: 4px; padding: 0 5px;
  font-family: var(--mono); font-size: 11px;
}
.tunnel.down { color: var(--red); border-color: rgba(240, 82, 82, 0.4); }

.device-time { font-size: 13px; font-variant-numeric: tabular-nums; }
.device-time .big { font-weight: 600; }
.is-online  .device-time .big { color: var(--lime); }
.is-offline .device-time .big { color: var(--muted); }
.device-time .sub { color: var(--faint); font-size: 12px; display: block; }

.bell {
  background: none; border: 1px solid var(--line-2); border-radius: 8px;
  color: var(--muted); cursor: pointer; padding: 7px 9px; line-height: 0;
}
.bell:hover { color: var(--lime); border-color: var(--lime); }
.bell svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linejoin: round; }

.event, .alert-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--ink); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 11px 16px; font-size: 13px;
}
.event .kind {
  font-weight: 600; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  border-radius: 4px; padding: 2px 7px; min-width: 66px; text-align: center;
}
.event .kind.online  { background: rgba(175, 209, 50, 0.16); color: var(--lime); }
.event .kind.offline { background: rgba(240, 82, 82, 0.16); color: var(--red); }
.event .who { font-family: var(--mono); font-weight: 600; }
.event .when { margin-left: auto; color: var(--faint); font-variant-numeric: tabular-nums; }

.card {
  background: var(--ink); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; margin-bottom: 18px;
}
.card h2 { margin: 0 0 6px; font-size: 15px; }
.alert-form .row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.alert-form label { flex: 1 1 220px; font-size: 12px; color: var(--muted); }
.alert-form label input { margin-top: 5px; }
.row-actions { align-items: center; margin-bottom: 0; }
.check {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted); margin-bottom: 14px;
}
.check input { width: auto; accent-color: var(--lime); }
.form-msg { font-size: 13px; }
.form-msg.ok  { color: var(--lime); }
.form-msg.bad { color: var(--red); }

.mail-health { color: var(--faint); font-size: 12px; margin: 0 0 12px 2px; }
.mail-health .bad { color: var(--red); }

.alert-row .email { font-weight: 600; }
.alert-row .pattern { font-family: var(--mono); color: var(--lime); }
.alert-row .tag {
  font-size: 11px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px;
}
.alert-row .tag.spent { color: var(--faint); border-style: dashed; }
.alert-row .del { margin-left: auto; background: none; border: 0; color: var(--faint); cursor: pointer; font-size: 13px; }
.alert-row .del:hover { color: var(--red); }

.sentinel { height: 1px; }

/* ---------- modal ---------- */

.modal {
  position: fixed; inset: 0; z-index: 40; display: grid; place-items: center;
  background: rgba(32, 38, 46, 0.78); padding: 20px;
}
.modal-card {
  width: 100%; max-width: 380px; background: var(--ink);
  border: 1px solid var(--line-2); border-radius: 14px;
  padding: 22px; box-shadow: var(--shadow);
}
.modal-card h2 { margin: 0 0 4px; font-size: 16px; }
.modal-card input[type="email"] { margin-bottom: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

@media (max-width: 720px) {
  .device { grid-template-columns: 12px minmax(0, 1fr) auto; }
  .device-time { grid-column: 2 / -1; }
  .topbar { gap: 12px; }
  .stats { order: 3; width: 100%; }
}