:root {
  --bg: #08080a;
  --bg-elev: rgba(255, 255, 255, 0.024);
  --panel: rgba(255, 255, 255, 0.03);
  --panel-hover: rgba(255, 255, 255, 0.05);
  --input: rgba(255, 255, 255, 0.04);
  --text: #f4f4f6;
  --muted: #8b8b93;
  --muted-2: #5f5f68;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --accent: #3b82f6;
  --accent-hover: #4f8df7;
  --accent-soft: rgba(59, 130, 246, 0.14);
  --danger: #f0616d;
  --radius: 14px;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 20px 50px -20px rgba(0, 0, 0, 0.7);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(59, 130, 246, 0.10), transparent 70%),
    radial-gradient(700px 400px at 100% 0%, rgba(59, 130, 246, 0.05), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.01em;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; font-size: 0.85rem; }
.ok { color: #34d399; font-size: 0.85rem; }
.switch { font-size: 0.88rem; margin: 2px 0 0; text-align: center; }
.switch a { color: var(--accent); cursor: pointer; text-decoration: none; }
.switch a:hover { text-decoration: underline; }

/* ---------- Login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px;
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.card h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.03em;
}
.card h3 { margin: 0 0 4px; font-size: 1.15rem; font-weight: 600; letter-spacing: -0.02em; }
.card .muted { margin: -4px 0 8px; font-size: 0.92rem; }

label.row { color: var(--muted); font-size: 0.9rem; }

input[type="text"], input[type="password"], input:not([type]) {
  width: 100%;
  background: var(--input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 13px;
  border-radius: 11px;
  font-size: 0.95rem;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
input::placeholder { color: var(--muted-2); }
input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.06);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ---------- Buttons ---------- */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 11px 18px;
  border-radius: 11px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.15s, box-shadow 0.15s;
  box-shadow: 0 6px 18px -8px rgba(59, 130, 246, 0.8);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 11px 18px;
  border-radius: 11px;
  font-size: 0.92rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-strong); }

/* ---------- App shell ---------- */
.app { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.sidebar {
  border-right: 1px solid var(--border);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.012);
}
.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  padding: 6px 12px 22px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.brand::before {
  content: "";
  width: 10px; height: 10px; border-radius: 3px;
  background: var(--accent);
  box-shadow: 0 0 12px 1px rgba(59, 130, 246, 0.7);
}
nav { display: flex; flex-direction: column; gap: 3px; }
.nav-item {
  padding: 10px 12px;
  border-radius: 9px;
  color: var(--muted);
  cursor: pointer;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: var(--panel-hover); color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: #cfe0ff; }
.nav-item.disabled { opacity: 0.35; pointer-events: none; }

/* ---------- Content ---------- */
.content { padding: 40px 44px; max-width: 860px; }
.content-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 6px;
}
.content-head h2 { margin: 0; font-size: 1.5rem; font-weight: 650; letter-spacing: -0.03em; }

.list { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-direction: column; gap: 10px; }
.streamer {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 15px 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  transition: border-color 0.15s, background 0.15s;
}
.streamer:hover { background: var(--panel-hover); border-color: var(--border-strong); }
.who { display: flex; align-items: center; gap: 13px; }
.avatar {
  width: 38px; height: 38px; border-radius: 50%;
  object-fit: cover; background: var(--input);
  border: 1px solid var(--border); flex-shrink: 0;
}
.avatar-empty {
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.35), rgba(59, 130, 246, 0.08));
}
.streamer .name { font-weight: 600; }
.streamer .live-dot {
  color: #ff5c72;
  font-size: 0.72rem;
  margin-left: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.streamer .live-dot:not(:empty)::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px; border-radius: 50%;
  background: #ff5c72; margin-right: 6px; vertical-align: middle;
  box-shadow: 0 0 0 0 rgba(255, 92, 114, 0.6);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 92, 114, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(255, 92, 114, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 92, 114, 0); }
}
.right { display: flex; align-items: center; gap: 18px; }
.toggle { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 0.88rem; cursor: pointer; }
.toggle input { accent-color: var(--accent); width: 15px; height: 15px; }
.link-danger {
  color: var(--muted-2); background: none; border: none; cursor: pointer;
  font-size: 0.86rem; padding: 4px 6px; border-radius: 7px; transition: color 0.15s, background 0.15s;
}
.link-danger:hover { color: var(--danger); background: rgba(240, 97, 109, 0.1); }

#empty { margin-top: 28px; font-size: 0.95rem; line-height: 1.6; max-width: 380px; }

/* ---------- Dialog ---------- */
dialog { border: none; background: transparent; color: var(--text); padding: 0; }
dialog::backdrop { background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(3px); }
dialog .card { width: 360px; gap: 12px; }
.actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }

@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; align-items: center; border-right: none; border-bottom: 1px solid var(--border); padding: 14px 16px; }
  .brand { padding: 0 16px 0 4px; }
  nav { flex-direction: row; }
  .content { padding: 28px 22px; }
}