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

:root {
  --bg:        #0a0a0a;
  --surface:   #111111;
  --surface2:  #161616;
  --border:    #222222;
  --border2:   #2a2a2a;
  --primary:   #7c3aed;
  --primary-h: #6d28d9;
  --success:   #22c55e;
  --warning:   #f59e0b;
  --error:     #ef4444;
  --text:      #f9fafb;
  --text2:     #9ca3af;
  --text3:     #6b7280;
  --radius:    8px;
  --radius-lg: 12px;
}

html, body, #root {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

/* scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: none; cursor: pointer;
  font-size: 13px; font-weight: 500; font-family: inherit;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-h); }
.btn-ghost    { background: transparent; color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--surface2); color: var(--text); }
.btn-danger   { background: transparent; color: var(--error); border: 1px solid var(--border); }
.btn-danger:hover:not(:disabled) { background: #1f0707; border-color: var(--error); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px; border-radius: var(--radius); }

/* inputs */
.input {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.input:focus { border-color: var(--primary); }
.input::placeholder { color: var(--text3); }

/* card */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

/* badge */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.03em;
}
.badge-success { background: rgba(34,197,94,.12); color: var(--success); }
.badge-warning { background: rgba(245,158,11,.12); color: var(--warning); }
.badge-error   { background: rgba(239,68,68,.12);  color: var(--error); }
.badge-neutral { background: rgba(156,163,175,.1); color: var(--text2); }

/* modal overlay */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 720px;
  max-height: 90vh;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-body { flex: 1; overflow-y: auto; padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; gap: 10px; justify-content: flex-end;
  flex-shrink: 0;
}

/* status dot */
.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot-green   { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot-red     { background: var(--error); }
.dot-yellow  { background: var(--warning); }
.dot-neutral { background: var(--text3); }

/* progress bar */
.progress { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; transition: width 0.3s; }

/* spinner */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

/* utilities */
.flex   { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-1  { margin-top: 4px; }
.mt-2  { margin-top: 8px; }
.mt-3  { margin-top: 12px; }
.mt-4  { margin-top: 16px; }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.text2   { color: var(--text2); }
.text3   { color: var(--text3); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.mono { font-family: 'Courier New', monospace; font-size: 12px; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }