:root {
  --bg: #14161c;
  --panel: #1d2029;
  --panel2: #22263a;
  --border: #2c3040;
  --text: #e8e8ec;
  --muted: #8b8fa3;
  --accent: #ff4d6d;
  --ok: #4dff88;
  --warn: #ffb84d;
  --info: #4d9fff;
  --radius: 12px;
}

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

body {
  font-family: -apple-system, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
}

/* ===== Navigation ===== */
#nav {
  width: 220px;
  min-height: 100vh;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 24px 12px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

#nav .logo {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--muted);
  text-transform: uppercase;
  padding: 0 12px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

#nav .logo span { color: var(--accent); }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
  transition: all .15s;
  user-select: none;
  margin-bottom: 2px;
}

.nav-item:hover { background: var(--panel2); color: var(--text); }
.nav-item.active { background: var(--accent); color: #fff; }
.nav-item .icon { font-size: 18px; width: 24px; text-align: center; }

.nav-section {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--muted);
  text-transform: uppercase;
  padding: 16px 12px 6px;
}

#nav .online-badge {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--border);
  margin-top: 20px;
  font-size: 12px;
  color: var(--muted);
}

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot.on { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.dot.off { background: var(--muted); }

/* ===== Main Content ===== */
#content {
  flex: 1;
  padding: 28px;
  max-width: 1200px;
  overflow-y: auto;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}

.page-sub {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 24px;
}

/* ===== Grid ===== */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ===== Panel ===== */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.panel-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

/* ===== Status Rows ===== */
.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  gap: 12px;
}
.status-row:last-child { border-bottom: none; }
.status-row .label { color: var(--muted); white-space: nowrap; }
.status-row .val { font-weight: 500; text-align: right; }

/* ===== LED Preview ===== */
.led-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 1px;
  background: #0a0b10;
  border-radius: 8px;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1;
}
.led-grid .px { aspect-ratio: 1; background: #0a0b10; }
.led-grid .px.on { background: var(--accent); }

/* ===== Forms ===== */
input, select, textarea {
  background: #11131a;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
  width: 100%;
}
input:focus, select:focus { border-color: var(--accent); }
input[type="color"] { padding: 2px 4px; width: 50px; height: 36px; cursor: pointer; }
input[type="range"] { padding: 0; background: transparent; cursor: pointer; }
input[type="checkbox"] { width: auto; cursor: pointer; }

label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 4px; }

.form-row { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.form-row input, .form-row select { flex: 1; min-width: 0; }

/* ===== Buttons ===== */
button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  transition: opacity .15s, transform .1s;
  white-space: nowrap;
}
button:hover { opacity: .85; }
button:active { transform: scale(.97); }

.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--panel2); color: var(--text); border: 1px solid var(--border); }
.btn-ok { background: var(--ok); color: #000; }
.btn-warn { background: var(--warn); color: #000; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px 10px; }

/* ===== Tags & Badges ===== */
.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--panel2);
  color: var(--muted);
  margin-left: 6px;
}
.tag.green { background: #0d2e1a; color: var(--ok); }
.tag.red { background: #2e0d16; color: var(--accent); }
.tag.yellow { background: #2e250d; color: var(--warn); }

/* ===== Toast ===== */
#toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 13px;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all .25s;
  max-width: 300px;
}
#toast.show { transform: translateY(0); opacity: 1; }
#toast.ok { border-color: var(--ok); }
#toast.err { border-color: var(--accent); }

/* ===== Szenen-Karten ===== */
.szene-card {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  transition: border-color .2s, transform .15s;
  position: relative;
}
.szene-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.szene-card .szene-name { font-weight: 600; margin-bottom: 8px; font-size: 15px; }
.szene-card .szene-meta { font-size: 12px; color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; }
.szene-card .szene-farbe {
  width: 14px; height: 14px; border-radius: 50%; display: inline-block;
  border: 2px solid rgba(255,255,255,.2); vertical-align: middle; margin-right: 4px;
}
.szene-card .del-btn {
  position: absolute; top: 10px; right: 10px;
  background: transparent; color: var(--muted); font-size: 16px; padding: 2px 6px;
}
.szene-card .del-btn:hover { color: var(--accent); }

/* ===== WLAN ===== */
.wifi-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px;
}
.wifi-item:last-child { border-bottom: none; }
.wifi-item .ssid { font-weight: 500; }
.wifi-item .actions { display: flex; gap: 6px; }

/* ===== Audit Log ===== */
.log-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 13px;
}
.log-item:last-child { border-bottom: none; }
.log-icon { font-size: 16px; width: 24px; flex-shrink: 0; margin-top: 1px; }
.log-ts { color: var(--muted); font-size: 11px; margin-top: 2px; }
.log-msg { font-weight: 500; }
.log-details { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ===== Zeitplan ===== */
.wochentag-row {
  display: grid; grid-template-columns: 100px 1fr 1fr auto;
  gap: 12px; align-items: center; padding: 8px 0;
  border-bottom: 1px solid var(--border); font-size: 14px;
}
.wochentag-row:last-child { border-bottom: none; }
.wochentag-row input[type="time"] { width: auto; }

/* ===== Farb-Presets ===== */
.farb-presets { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.farb-btn {
  width: 32px; height: 32px; border-radius: 50%;
  border: 3px solid transparent; cursor: pointer; transition: transform .15s;
}
.farb-btn:hover { transform: scale(1.15); }
.farb-btn.selected { border-color: var(--text); }

/* ===== Misc ===== */
.sep { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.muted { color: var(--muted); font-size: 13px; }
.full-width { width: 100%; }
.mt { margin-top: 12px; }
.mb { margin-bottom: 12px; }
iframe { display: block; border: none; width: 100%; }