/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d0d0f;
  --bg2: #131316;
  --bg3: #1a1a1f;
  --bg4: #212128;
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.14);
  --text: #e8e8ee;
  --text2: #9090a0;
  --text3: #5a5a6a;
  --accent: #5b6af5;
  --accent2: #7c8fff;
  --danger: #e84040;
  --danger2: #ff6060;
  --warn: #e8920a;
  --ok: #3db060;
  --ok2: #5dd180;
  --sidebar-w: 220px;
  --radius: 10px;
  --radius-sm: 6px;
}

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

/* ===== Layout ===== */
.layout { display: flex; height: 100vh; overflow: hidden; }

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0 0 16px;
  overflow: hidden;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.logo-icon {
  font-size: 22px;
  color: var(--accent2);
  line-height: 1;
}

.logo-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.2px;
}

.nav { padding: 4px 10px; }
.nav-label { font-size: 10px; font-weight: 600; color: var(--text3); letter-spacing: 0.8px; text-transform: uppercase; padding: 10px 8px 6px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  transition: background 0.15s, color 0.15s;
  position: relative;
  cursor: pointer;
}

.nav-item:hover { background: var(--bg4); color: var(--text); }
.nav-item.active { background: rgba(91,106,245,0.15); color: var(--accent2); }
.nav-item svg { flex-shrink: 0; opacity: 0.75; }
.nav-item.active svg { opacity: 1; }

.badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
  min-width: 18px;
  text-align: center;
}

.sidebar-metrics {
  margin-top: auto;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sm-item { display: flex; flex-direction: column; gap: 1px; }
.sm-label { font-size: 10px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; }
.sm-val { font-size: 18px; font-weight: 600; color: var(--text); }
.sm-val.danger { color: var(--danger2); }

.sidebar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px 0;
  font-size: 12px;
  color: var(--text2);
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text3);
  transition: background 0.3s;
}
.status-dot.live { background: var(--ok); box-shadow: 0 0 6px var(--ok); animation: pulse 2s infinite; }
.status-dot.alert { background: var(--danger); box-shadow: 0 0 6px var(--danger); animation: pulse 0.5s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* ===== Main ===== */
.main { flex: 1; overflow-y: auto; background: var(--bg); }

.tab-content { display: none; padding: 24px; }
.tab-content.active { display: block; }

/* ===== Top bar ===== */
.top-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.page-title { font-size: 20px; font-weight: 600; color: var(--text); letter-spacing: -0.3px; }
.page-sub { font-size: 13px; color: var(--text2); margin-top: 2px; }

.top-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ===== Buttons ===== */
.btn {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border2);
  background: var(--bg3);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.btn:hover { background: var(--bg4); border-color: rgba(255,255,255,0.2); }

.btn-start { background: rgba(91,106,245,0.2); border-color: rgba(91,106,245,0.5); color: var(--accent2); }
.btn-start:hover { background: rgba(91,106,245,0.3); }
.btn-stop { background: rgba(232,64,64,0.15); border-color: rgba(232,64,64,0.4); color: var(--danger2); }
.btn-stop:hover { background: rgba(232,64,64,0.25); }
.btn-sim { background: rgba(232,146,10,0.12); border-color: rgba(232,146,10,0.3); color: #f0a835; }
.btn-sim:hover { background: rgba(232,146,10,0.2); }

/* ===== Alert Banner ===== */
.alert-banner {
  display: none;
  align-items: center;
  gap: 12px;
  background: rgba(232,64,64,0.1);
  border: 1px solid rgba(232,64,64,0.35);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 20px;
  animation: slidein 0.3s ease;
}
.alert-banner.show { display: flex; }
@keyframes slidein { from{opacity:0;transform:translateY(-8px)} to{opacity:1;transform:none} }
.alert-banner-icon { font-size: 22px; flex-shrink: 0; }
.alert-banner-text { flex: 1; font-size: 13px; color: var(--danger2); }
.alert-banner-text strong { display: block; font-size: 14px; margin-bottom: 2px; }
.alert-dismiss { background: none; border: none; color: var(--text2); cursor: pointer; font-size: 16px; padding: 4px; }
.alert-dismiss:hover { color: var(--text); }

/* ===== Monitor grid ===== */
.monitor-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  align-items: start;
}

/* ===== Feed card ===== */
.feed-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text2);
}

.feed-label { display: flex; align-items: center; gap: 8px; }
.rec-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text3); }
.rec-dot.live { background: var(--danger); animation: pulse 1s infinite; }
.fps-badge { font-size: 11px; background: var(--bg4); padding: 2px 8px; border-radius: 20px; color: var(--text3); }

.feed-wrap {
  position: relative;
  background: #060608;
  aspect-ratio: 4/3;
}

#videoEl {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

#outputCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  transform: scaleX(-1);
}

.feed-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px;
  color: #444;
}

.feed-pills {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; gap: 8px;
  padding: 8px 10px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
}

.fpill {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 9px;
  border-radius: 20px;
  background: rgba(255,255,255,0.08);
  color: #aaa;
  border: 1px solid rgba(255,255,255,0.12);
  transition: background 0.2s, color 0.2s;
}
.fpill.ok { background: rgba(61,176,96,0.2); color: var(--ok2); border-color: rgba(61,176,96,0.3); }
.fpill.warn { background: rgba(232,146,10,0.2); color: #f0a835; border-color: rgba(232,146,10,0.3); }
.fpill.danger { background: rgba(232,64,64,0.2); color: var(--danger2); border-color: rgba(232,64,64,0.3); }

/* ===== Metrics panel ===== */
.metrics-panel { display: flex; flex-direction: column; gap: 10px; }

.metric-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.mc-label { font-size: 10px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.mc-val { font-size: 20px; font-weight: 600; color: var(--text); }
.mc-val.large { font-size: 28px; }
.mc-val.danger { color: var(--danger2); }
.mc-val.warn { color: #f0a835; }
.mc-val.ok { color: var(--ok2); }

/* Threat bar */
.threat-bar-wrap {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.threat-bar-label { display: flex; justify-content: space-between; font-size: 11px; color: var(--text2); margin-bottom: 8px; }
.threat-bar-track { height: 6px; background: var(--bg4); border-radius: 3px; overflow: hidden; }
.threat-bar-fill { height: 100%; border-radius: 3px; background: var(--ok); transition: width 0.2s ease, background 0.2s; }
.threat-bar-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--text3); margin-top: 5px; }

/* Rules box */
.rules-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.rules-title { font-size: 10px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
.rule-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text2);
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.rule-row:last-child { border-bottom: none; padding-bottom: 0; }
.rule-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text3); flex-shrink: 0; transition: background 0.2s, box-shadow 0.2s; }
.rule-row.active { color: var(--text); }
.rule-row.active .rule-dot { background: var(--danger); box-shadow: 0 0 5px var(--danger); }

/* ===== Chat log ===== */
.chat-wrap {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.chat-log { padding: 14px; display: flex; flex-direction: column; gap: 12px; max-height: calc(100vh - 180px); overflow-y: auto; }

.chat-msg { display: flex; gap: 10px; align-items: flex-start; }
.c-avatar {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}
.av-sys { background: rgba(91,106,245,0.2); color: var(--accent2); }
.av-alert { background: rgba(232,64,64,0.2); color: var(--danger2); }
.av-ok { background: rgba(61,176,96,0.2); color: var(--ok2); }

.c-bubble {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px 10px 10px 10px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text);
  flex: 1;
  line-height: 1.5;
}
.c-bubble.alert-bubble { background: rgba(232,64,64,0.07); border-color: rgba(232,64,64,0.25); }
.c-bubble .ts { font-size: 10px; color: var(--text3); margin-top: 4px; }

/* ===== Settings ===== */
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.settings-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.settings-card h3 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 16px; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--text2); margin-bottom: 6px; }
.field input[type="range"] { width: 100%; accent-color: var(--accent); }
.field-val { font-size: 12px; color: var(--accent2); }
.text-input {
  width: 100%; padding: 7px 10px;
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 13px; font-family: inherit;
}
.text-input::placeholder { color: var(--text3); }
.text-input:focus { outline: none; border-color: rgba(91,106,245,0.5); }
.checkbox-field label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.settings-note { font-size: 11px; color: var(--text3); margin-top: 8px; line-height: 1.6; }
.settings-note code { font-size: 11px; color: var(--text2); background: var(--bg4); padding: 1px 4px; border-radius: 3px; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg4); border-radius: 4px; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .monitor-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}