/* GridSense v2 – Dark Theme */

:root {
  --bg:      #0d1117;
  --surface: #161b22;
  --border:  #30363d;
  --text:    #e6edf3;
  --muted:   #7d8590;
  --alarm:   #f85149;
  --ok:      #3fb950;
  --offline: #6e7687;
  --acked:   #d29922;
  --blue:    #388bfd;
  --radius:  8px;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

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

.gs-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex; align-items: center; gap: 12px;
}

.gs-logo {
  font-weight: 700; font-size: 16px;
  color: var(--blue); flex: 0 0 auto;
  letter-spacing: -0.3px;
}

.gs-site-select {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 4px 8px; font-size: 13px;
}

.gs-header-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.gs-user         { color: var(--muted); font-size: 12px; }
.gs-logout       { color: var(--muted); text-decoration: none; font-size: 12px; }
.gs-logout:hover { color: var(--text); }

/* ── Hub Status Bar ─────────────────────────────────────────────────────── */

#gs-status-bar {
  padding: 8px 16px;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  font-size: 12px; color: var(--muted);
  min-height: 38px;
}

.gs-hub-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 12px;
}
.gs-hub-pill.online  { border-color: var(--ok);     color: var(--ok); }
.gs-hub-pill.offline { border-color: var(--offline); color: var(--offline); }

.gs-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ── Node Grid ──────────────────────────────────────────────────────────── */

#gs-nodes {
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 12px;
  align-items: start;
}

/* ── Node Card ──────────────────────────────────────────────────────────── */

.gs-node {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex; flex-direction: column; gap: 8px;
  transition: border-left-color 0.3s;
}

.gs-node.alarm   { border-left-color: var(--alarm); }
.gs-node.ok      { border-left-color: var(--ok); }
.gs-node.restore { border-left-color: var(--ok); }
.gs-node.acked   { border-left-color: var(--acked); }
.gs-node.offline { border-left-color: var(--offline); opacity: 0.65; }
.gs-node.unknown { border-left-color: var(--muted); }

.gs-node-top {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 8px;
}

.gs-node-name { font-weight: 600; font-size: 15px; line-height: 1.2; }
.gs-node-id   { font-size: 11px; color: var(--muted); margin-top: 2px; font-family: monospace; }

/* Badge */
.gs-badge {
  flex: 0 0 auto;
  font-size: 11px; font-weight: 700;
  padding: 3px 9px;
  border-radius: 12px;
  text-transform: uppercase; letter-spacing: 0.04em;
  white-space: nowrap;
}
.gs-badge.alarm   { background: var(--alarm);   color: #fff; }
.gs-badge.ok      { background: var(--ok);       color: #000; }
.gs-badge.restore { background: var(--ok);       color: #000; }
.gs-badge.acked   { background: var(--acked);    color: #000; }
.gs-badge.offline { background: var(--offline);  color: #fff; }
.gs-badge.unknown { background: var(--border);   color: var(--muted); }

@keyframes gs-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}
.gs-node.alarm .gs-badge { animation: gs-pulse 1.6s ease-in-out infinite; }

/* Meta */
.gs-node-meta {
  display: flex; flex-direction: column; gap: 3px;
  font-size: 12px; color: var(--muted);
}
.gs-node-meta span { display: flex; align-items: center; gap: 5px; }

/* RSSI – 6 Balken */
.gs-signal {
  display: inline-flex; align-items: flex-end;
  gap: 2px; height: 12px;
}
.gs-signal b {
  display: block; width: 3px;
  background: var(--border);
  border-radius: 1px;
}
.gs-signal b:nth-child(1) { height: 2px; }
.gs-signal b:nth-child(2) { height: 4px; }
.gs-signal b:nth-child(3) { height: 6px; }
.gs-signal b:nth-child(4) { height: 8px; }
.gs-signal b:nth-child(5) { height: 10px; }
.gs-signal b:nth-child(6) { height: 12px; }

.gs-signal.q6 b                { background: var(--ok); }
.gs-signal.q5 b:nth-child(-n+5) { background: var(--ok); }
.gs-signal.q4 b:nth-child(-n+4) { background: var(--acked); }
.gs-signal.q3 b:nth-child(-n+3) { background: var(--acked); }
.gs-signal.q2 b:nth-child(-n+2) { background: var(--alarm); }
.gs-signal.q1 b:nth-child(-n+1) { background: var(--alarm); }

/* Modus-Label */
.gs-mode-badge {
  font-size: 10px; font-weight: 600;
  padding: 1px 6px; border-radius: 8px;
  border: 1px solid var(--border); color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* Buttons */
.gs-node-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }

.gs-btn {
  border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 12px; font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.gs-btn:hover            { background: var(--border); }
.gs-btn.btn-on           { border-color: var(--ok);      color: var(--ok); }
.gs-btn.btn-on:hover     { background: rgba(63,185,80,.12); }
.gs-btn.btn-off          { border-color: var(--alarm);   color: var(--alarm); }
.gs-btn.btn-off:hover    { background: rgba(248,81,73,.12); }
.gs-btn.btn-ack          { border-color: var(--acked);   color: var(--acked); }
.gs-btn.btn-ack:hover    { background: rgba(210,153,34,.12); }
.gs-btn:disabled         { opacity: 0.35; cursor: not-allowed; }

/* ── Map Section ────────────────────────────────────────────────────────── */

#gs-map-section {
  padding: 0 16px 16px;
}

#gs-map-section h2 {
  font-size: 12px; font-weight: 600;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

#gs-map-wrap {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

#gs-map-img {
  width: 100%; height: auto;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.gs-map-pin {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.45);
  pointer-events: none;
}
.gs-map-pin.alarm   { background: var(--alarm);   box-shadow: 0 0 0 5px rgba(248,81,73,.3); animation: gs-pulse 1.6s ease-in-out infinite; }
.gs-map-pin.ok      { background: var(--ok); }
.gs-map-pin.restore { background: var(--ok); }
.gs-map-pin.acked   { background: var(--acked); }
.gs-map-pin.offline { background: var(--offline); }
.gs-map-pin.unknown { background: var(--muted); }

.gs-map-hub {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--blue);
  border: 2px solid rgba(0,0,0,0.45);
  pointer-events: none;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */

#gs-footer {
  padding: 10px 16px;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--muted);
}

#gs-last-updated { font-family: monospace; }

#gs-push-btn {
  border: 1px solid var(--border);
  background: transparent; color: var(--muted);
  border-radius: 4px; padding: 4px 10px;
  font-size: 11px; cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
#gs-push-btn:hover      { border-color: var(--blue); color: var(--blue); }
#gs-push-btn.subscribed { border-color: var(--ok);   color: var(--ok); cursor: default; }

/* ── Login ──────────────────────────────────────────────────────────────── */

.gs-login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
}

.gs-login-box {
  width: 330px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
}

.gs-login-logo {
  font-size: 22px; font-weight: 700;
  color: var(--blue);
  text-align: center; margin-bottom: 28px;
}

.gs-login-box label {
  display: block; font-size: 12px;
  color: var(--muted); margin-bottom: 4px;
}

.gs-login-box input {
  width: 100%; padding: 8px 10px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
  font-size: 14px; margin-bottom: 14px;
  transition: border-color 0.15s;
}
.gs-login-box input:focus { outline: none; border-color: var(--blue); }

.gs-login-submit {
  width: 100%; padding: 9px;
  background: var(--blue); color: #fff;
  border: none; border-radius: 4px;
  font-size: 14px; font-weight: 600;
  cursor: pointer; transition: opacity 0.15s;
}
.gs-login-submit:hover { opacity: 0.88; }

.gs-login-err {
  color: var(--alarm); font-size: 13px;
  margin-top: 12px; text-align: center;
}

/* ── Loading ────────────────────────────────────────────────────────────── */

#gs-loading {
  padding: 40px; text-align: center;
  color: var(--muted); grid-column: 1 / -1;
}

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

@media (max-width: 420px) {
  #gs-nodes { padding: 8px; gap: 8px; }
  .gs-header { padding: 8px 12px; }
}