:root {
  --bg: #0f1117;
  --bg-elev: #1a1d27;
  --bg-card: #1e2230;
  --bg-card-hover: #272c3d;
  --border: #2c3142;
  --text: #e6e8ef;
  --text-dim: #9aa0b4;
  --accent: #6366f1;
  --accent-hover: #7c7ff5;
  --danger: #ef4444;
  --radius: 16px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #1b2030 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  flex-wrap: wrap;
}

.topbar h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.topbar-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

#search {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 0.95rem;
  outline: none;
  width: 200px;
  transition: border-color 0.15s, width 0.2s;
}
#search:focus { border-color: var(--accent); }

.btn {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 10px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:hover { background: var(--bg-card-hover); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); }

main { padding: 8px 28px 60px; }

#grid {
  display: flex;
  flex-direction: column;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.category-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.category.drag-over .category-title { color: var(--accent); border-color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 18px;
  min-height: 40px;
}

.tile {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 14px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.12s, background 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.tile:hover {
  background: var(--bg-card-hover);
  border-color: #3a4055;
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.tile.dragging { opacity: 0.5; }
.tile.drag-over { border-color: var(--accent); }

.tile-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: cover;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  overflow: hidden;
  user-select: none;
}
.tile-logo img { width: 100%; height: 100%; object-fit: contain; }

.tile-name {
  font-size: 0.92rem;
  font-weight: 600;
  text-align: center;
  word-break: break-word;
  line-height: 1.25;
}

.tile-menu {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}
.tile:hover .tile-menu { opacity: 1; }
.icon-btn {
  background: rgba(0, 0, 0, 0.35);
  border: none;
  color: var(--text-dim);
  width: 26px;
  height: 26px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.icon-btn:hover { color: #fff; background: rgba(0, 0, 0, 0.6); }
.icon-btn.del:hover { background: var(--danger); }

.empty {
  text-align: center;
  color: var(--text-dim);
  margin-top: 80px;
  font-size: 1.05rem;
}

.hidden { display: none !important; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}
.modal h2 { margin: 0 0 18px; font-size: 1.25rem; }
.modal form { display: flex; flex-direction: column; gap: 14px; }
.modal label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 600;
}
.modal input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.95rem;
  outline: none;
}
.modal input:focus { border-color: var(--accent); }
.hint { color: var(--text-dim); font-weight: 400; }

.preview-row { display: flex; align-items: center; gap: 14px; }
.preview-label { font-size: 0.85rem; color: var(--text-dim); font-weight: 600; }
.preview-tile {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  overflow: hidden;
}
.preview-tile img { width: 100%; height: 100%; object-fit: contain; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}

.gate-err {
  color: var(--danger);
  font-size: 0.85rem;
  margin: -4px 0 0;
}