/* ============================================================
   Buttons
   ============================================================ */

/* Button base */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
    cursor: pointer;
}
.btn-primary {
    background-color: #3b82f6;
    color: white;
}
.btn-primary:hover { background-color: #2563eb; }
.btn-secondary {
    background-color: #f1f5f9;
    color: #374151;
}
.btn-secondary:hover { background-color: #e2e8f0; }
.btn-danger {
    background-color: #fef2f2;
    color: #dc2626;
}
.btn-danger:hover { background-color: #fee2e2; }
.btn-ghost {
    background: transparent;
    color: #6b7280;
}
.btn-ghost:hover { background-color: #f1f5f9; color: #374151; }