/* Components */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  text-decoration: none;
  line-height: 1;
}
.btn:hover { background: var(--surface-strong); border-color: var(--border-strong); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 24px -6px rgba(99,102,241,.5);
}
.btn-primary:hover { color: #fff; filter: brightness(1.08); }

.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--surface); }

.btn-danger { background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.25); color: var(--danger); }
.btn-danger:hover { background: rgba(239,68,68,.2); }

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 14px 26px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* Cards */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); }

.card-glass {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-weight: 700; font-size: 1.05rem; margin: 0; }

/* Inputs */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-muted); }

.input, select, textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { resize: vertical; min-height: 90px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--text-muted);
}
.badge-success { background: rgba(16,185,129,.15); color: var(--success); }
.badge-danger  { background: rgba(239,68,68,.15); color: var(--danger); }
.badge-warning { background: rgba(245,158,11,.15); color: var(--warning); }
.badge-info    { background: rgba(59,130,246,.15); color: var(--info); }

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); font-weight: 700; }
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover { background: var(--surface); }

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 14px;
}
.alert-success { background: rgba(16,185,129,.10); border-color: rgba(16,185,129,.3); color: var(--success); }
.alert-error   { background: rgba(239,68,68,.10);  border-color: rgba(239,68,68,.3);  color: var(--danger); }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; z-index: 100; }
.modal-backdrop.is-open { display: flex; animation: fadeIn .2s ease; }
.modal { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; max-width: 520px; width: 90%; box-shadow: var(--shadow-lg); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tab { padding: 10px 16px; cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent; font-weight: 600; font-size: 14px; transition: all var(--transition); }
.tab.is-active { color: var(--text); border-bottom-color: var(--accent); }

/* Toasts */
.toast-wrap { position: fixed; bottom: 24px; right: 24px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast { padding: 12px 18px; border-radius: var(--radius); background: var(--bg-elev); border: 1px solid var(--border); box-shadow: var(--shadow); animation: fadeInUp .25s ease; }

/* Empty state */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty .icon { font-size: 48px; margin-bottom: 12px; opacity: .5; }