:root {
  --bg: #0f1117;
  --panel: #161923;
  --panel-alt: #1d2130;
  --border: #2a2f3f;
  --accent: #5865F2;
  --accent-hover: #6c75f5;
  --text: #e6e8ef;
  --muted: #8b90a3;
  --success: #3ba55d;
  --danger: #ed4245;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ---------- Login ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: radial-gradient(circle at top, #1b1f2e, #0f1117 70%);
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 380px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}
.login-card h1 { margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: 12px; margin-top: 20px; }
.discord-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  margin: 20px 0;
  transition: background .15s;
}
.discord-btn:hover { background: var(--accent-hover); }
.alert { padding: 10px; border-radius: 6px; margin: 15px 0; font-size: 14px; }
.alert-error { background: rgba(237,66,69,0.15); color: #ff8a8c; border: 1px solid rgba(237,66,69,0.4); }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 18px; }
.user-chip { display: flex; align-items: center; gap: 10px; }
.user-chip img { width: 28px; height: 28px; border-radius: 50%; }
.badge { font-size: 11px; padding: 3px 8px; border-radius: 20px; font-weight: 700; }
.badge-admin { background: rgba(237,66,69,0.2); color: #ff8a8c; }
.badge-dev { background: rgba(88,101,242,0.2); color: #9aa3ff; }
.logout-link { color: var(--muted); text-decoration: none; font-size: 13px; margin-left: 10px; }
.logout-link:hover { color: var(--text); }

/* ---------- Layout ---------- */
.builder {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 16px;
  padding: 20px;
  align-items: start;
}
@media (max-width: 900px) {
  .builder { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.panel-head h2 { margin: 0; font-size: 15px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.head-actions { display: flex; gap: 8px; }

input {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  width: 100%;
}
input:focus { outline: 1px solid var(--accent); }

.btn {
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--panel-alt); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }

/* ---------- Vehicle pool ---------- */
.vehicle-pool {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 420px;
  overflow-y: auto;
  margin-bottom: 18px;
  padding-right: 4px;
}
.car-card {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: grab;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: border-color .15s, transform .1s;
}
.car-card:hover { border-color: var(--accent); }
.car-card:active { cursor: grabbing; }
.car-card .car-name { font-weight: 600; }
.car-card .car-meta { color: var(--muted); font-size: 11px; }
.car-card.dragging { opacity: 0.4; }

.add-custom { border-top: 1px solid var(--border); padding-top: 14px; }
.add-custom h3 { font-size: 13px; color: var(--muted); margin: 0 0 10px; }
.add-custom input { margin-bottom: 8px; }

/* ---------- Categories ---------- */
.add-category { display: flex; gap: 8px; margin-bottom: 16px; }
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.category-box {
  background: var(--panel-alt);
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 10px;
  min-height: 130px;
  display: flex;
  flex-direction: column;
}
.category-box.drag-over { border-color: var(--accent); background: rgba(88,101,242,0.08); }
.category-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--muted);
  margin-bottom: 8px;
}
.category-title .count { background: var(--border); border-radius: 10px; padding: 1px 7px; font-size: 11px; color: var(--text); }
.remove-cat { cursor: pointer; color: var(--danger); font-size: 12px; }
.category-items { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.category-items .car-card { cursor: default; }
.category-items .car-card .remove-x {
  align-self: flex-end;
  color: var(--danger);
  cursor: pointer;
  font-size: 12px;
}
.empty-hint { color: var(--muted); font-size: 12px; text-align: center; margin: auto; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--success);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  transform: translateY(10px);
  transition: all .2s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }

/* ---------- Addon file drop ---------- */
.category-box.drag-over-addon {
  border-color: var(--success);
  border-style: solid;
  background: rgba(59,165,93,0.1);
}

/* ---------- Addon Upload Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 340px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.modal h3 { margin: 0 0 4px; }
.modal .muted.small { font-size: 12px; margin: 0 0 4px; word-break: break-all; }
.modal input { width: 100%; margin-top: 10px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }