/* ── Digital Twin & Second Brain — Shared Styles ────────────────────────── */
:root {
  --bg:       #080c14;
  --bg2:      #0d1422;
  --bg3:      #131b2e;
  --panel:    rgba(255,255,255,0.04);
  --border:   rgba(0,212,255,0.15);
  --border2:  rgba(123,47,255,0.2);
  --text:     #d0dff0;
  --muted:    #5a7090;
  --accent:   #00d4ff;
  --purple:   #7b2fff;
  --green:    #00ff88;
  --red:      #ff4466;
  --yellow:   #ffd060;
  --glow:     0 0 20px rgba(0,212,255,0.3);
  --glow2:    0 0 20px rgba(123,47,255,0.3);
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ── Common layout ─────────────────────────────────────────────────────────── */
.page { position: relative; z-index: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* Top nav */
.top-nav {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 24px;
  background: rgba(8,12,20,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.nav-logo {
  font-size: 15px; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-right: 12px; white-space: nowrap;
}
.nav-link {
  color: var(--muted); text-decoration: none; padding: 6px 12px;
  border-radius: 6px; font-size: 13px; transition: all 0.2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent); background: rgba(0,212,255,0.08);
}
.nav-spacer { flex: 1; }
.status-pill {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 20px; font-size: 11px;
  background: rgba(0,255,136,0.08); border: 1px solid rgba(0,255,136,0.2);
  color: var(--green);
}
.status-pill.offline { background: rgba(255,68,102,0.08); border-color: rgba(255,68,102,0.2); color: var(--red); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
.status-pill.offline .status-dot { background: var(--red); animation: none; }
@keyframes pulse { 0%,100%{opacity:1}50%{opacity:0.4} }

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  padding: 20px;
}
.card-title {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); margin-bottom: 14px;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  border: none; border-radius: 8px; cursor: pointer;
  font-size: 13px; font-weight: 600; padding: 9px 18px;
  transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff; box-shadow: var(--glow);
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-ghost {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: rgba(255,68,102,0.15); color: var(--red); border: 1px solid rgba(255,68,102,0.3); }
.btn-danger:hover { background: rgba(255,68,102,0.25); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }
.btn-sm { padding: 5px 10px; font-size: 11px; border-radius: 5px; }

/* ── Inputs ────────────────────────────────────────────────────────────────── */
.input {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 14px;
  padding: 10px 14px; outline: none; width: 100%;
  transition: border-color 0.2s;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(0,212,255,0.1); }
.input::placeholder { color: var(--muted); }

/* ── Tags / chips ──────────────────────────────────────────────────────────── */
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; border: 1px solid;
}
.tag-accent { background: rgba(0,212,255,0.1); border-color: rgba(0,212,255,0.3); color: var(--accent); }
.tag-purple { background: rgba(123,47,255,0.1); border-color: rgba(123,47,255,0.3); color: var(--purple); }
.tag-green  { background: rgba(0,255,136,0.1); border-color: rgba(0,255,136,0.3); color: var(--green); }
.tag-red    { background: rgba(255,68,102,0.1); border-color: rgba(255,68,102,0.3); color: var(--red); }
.tag-yellow { background: rgba(255,208,96,0.1); border-color: rgba(255,208,96,0.3); color: var(--yellow); }

/* ── Spinner / loading ─────────────────────────────────────────────────────── */
.spinner {
  width: 16px; height: 16px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Scrollbar ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.2); border-radius: 3px; }

/* ── Neon glow text ────────────────────────────────────────────────────────── */
.glow-text {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.neon { text-shadow: 0 0 10px currentColor; }

/* ── Separator ─────────────────────────────────────────────────────────────── */
.sep { height: 1px; background: var(--border); margin: 16px 0; }

/* ── Offline banner ────────────────────────────────────────────────────────── */
#offline-banner {
  display: none; position: fixed; top: 60px; left: 50%; transform: translateX(-50%);
  background: rgba(255,68,102,0.1); border: 1px solid rgba(255,68,102,0.3);
  color: var(--red); padding: 8px 18px; border-radius: 8px;
  font-size: 13px; z-index: 200; text-align: center;
}
#offline-banner.show { display: block; }

/* ── Config modal ──────────────────────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(8,12,20,0.85); backdrop-filter: blur(6px);
  z-index: 300; align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; width: 420px; max-width: 95vw;
}
.modal h3 { font-size: 17px; margin-bottom: 16px; }
.modal label { font-size: 12px; color: var(--muted); display: block; margin-bottom: 6px; }
.modal .input { margin-bottom: 14px; }
.modal-btns { display: flex; gap: 10px; justify-content: flex-end; margin-top: 6px; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media(max-width:768px) {
  .top-nav { padding: 10px 14px; }
  .nav-logo { font-size: 13px; }
}