:root {
  --bg-deep: #0a1014;
  --bg-panel: #111b21;
  --bg-elev: #182229;
  --bg-elev-2: #202c33;
  --bg-hover: #2a3942;
  --bg-active: #2a3942;
  --accent: #00a884;
  --accent-hover: #06cf9c;
  --accent-glow: rgba(0, 168, 132, 0.15);
  --out: #005c4b;
  --in: #202c33;
  --text: #e9edef;
  --text-dim: #8696a0;
  --text-muted: #6b7c85;
  --danger: #f15c6d;
  --warning: #ffb84d;
  --info: #53bdeb;
  --border: rgba(255,255,255,0.06);
  --radius: 10px;
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.35);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-w: 220px;
}

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

html, body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

a { color: inherit; text-decoration: none; }

.icon { width: 1em; height: 1em; stroke-width: 2; vertical-align: middle; }

/* ============ APP LAYOUT ============ */
.app {
  display: flex;
  height: 100vh;
}

/* ============ SIDEBAR ============ */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 18px 12px;
}
.brand {
  font-size: 17px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 10px 22px;
  letter-spacing: -0.01em;
}
.brand i {
  color: var(--accent);
  font-size: 22px;
}
.nav { display: flex; flex-direction: column; gap: 3px; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  border-radius: 9px;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}
.nav-link:hover {
  background: var(--bg-elev);
  color: var(--text);
}
.nav-link.active {
  background: var(--bg-elev-2);
  color: var(--accent);
  border-color: var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.nav-link i { font-size: 17px; }
.sidebar-footer {
  margin-top: auto;
  padding: 12px 12px 4px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sidebar-footer > div {
  display: flex;
  align-items: center;
  gap: 7px;
  line-height: 1.2;
}
.sidebar-footer i { font-size: 12px; flex-shrink: 0; }

/* ============ MAIN ============ */
.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-deep);
  overflow: hidden;
}
.topbar {
  background: var(--bg-elev);
  padding: 11px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  min-height: 52px;
}
.topbar h2 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 9px;
}
.topbar h2 i { color: var(--accent); font-size: 19px; }
.api-cfg { display: flex; gap: 8px; margin-left: auto; }
.api-cfg input {
  background: var(--bg-elev-2);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 6px 11px;
  font-size: 13px;
  width: 200px;
  transition: var(--transition);
}
.api-cfg input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-panel);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.content {
  flex: 1;
  overflow: auto;
  position: relative;
}

/* ============ COMPONENTS ============ */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
  position: relative;
}
.status-dot.dot-green { background: var(--accent); }
.status-dot.dot-red { background: var(--danger); }
.status-dot.dot-yellow { background: var(--warning); }
.status-dot.dot-gray { background: var(--text-muted); }
.status-dot.pulsing::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.4;
  animation: pulse 2s infinite;
}

.btn {
  padding: 9px 18px;
  border-radius: 9px;
  border: 1px solid transparent;
  background: var(--bg-elev-2);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn:hover:not(:disabled) {
  background: var(--bg-hover);
  transform: translateY(-1px);
}
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 600;
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-danger {
  background: var(--danger);
  color: white;
  font-weight: 600;
}
.btn-danger:hover:not(:disabled) {
  filter: brightness(1.1);
  box-shadow: 0 4px 14px rgba(241, 92, 109, 0.3);
}
.btn-sm { padding: 5px 12px; font-size: 12px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-elev-2);
}
.badge-green { background: rgba(0,168,132,0.2); color: var(--accent); }
.badge-red { background: rgba(241,92,109,0.2); color: var(--danger); }
.badge-yellow { background: rgba(255,184,77,0.2); color: var(--warning); }
.badge-blue { background: rgba(83,189,235,0.2); color: var(--info); }
.badge-gray { background: var(--bg-elev-2); color: var(--text-dim); }

.spinner {
  width: 22px;
  height: 22px;
  border: 2.5px solid var(--bg-hover);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

/* ============ TOAST ============ */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elev);
  color: var(--text);
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: none;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  max-width: 400px;
  animation: toastIn 300ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.toast.show { display: flex; }
.toast.error { border-color: var(--danger); }
.toast.error i { color: var(--danger); }
.toast.success { border-color: var(--accent); }
.toast.success i { color: var(--accent); }

/* ============ ANIMATIONS ============ */
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0% { transform: scale(1); opacity: 0.5; } 100% { transform: scale(2); opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pop { 0% { transform: scale(0); } 60% { transform: scale(1.2); } 100% { transform: scale(1); } }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #2a3942; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #3a4a54; }